Hinweise optimiert

README.md

@@ -9,10 +9,10 @@ iPhone-taugliche Browser-PWA für Bootsfahrer: Karte, GPS, Kompass, Wetter/Welle
 - explizit gestarteter Kursassistent mit dynamischem Sollkurs über Grund, Querabweichung, Reststrecke und Kurswechsel-Hinweisen
 - zweistufige Ankerwache mit festem Ankerpunkt, GPS-Schwojkreis, Alarm, Tidenanstieg und nachvollziehbarer Ketten-/Leinenreserve
 - bis zu drei ausreichend unterschiedliche Routenvorschläge, sofern der Wasserstraßengraph echte Alternativen enthält
-- Prüfung von Tiefgang plus Sicherheitsreserve, Bootshöhe, Breite und bekannten Einbahnregeln
+- Prüfung explizit erfasster Tiefgangs-, Höhen- und Breitenbeschränkungen sowie bekannter Einbahnregeln
 - Fahrwasser-Unterstützung für die Korridore Emden–Borkum und Emden–Hamm nach manueller Auswahl von Start und Ziel
 - antippbare Info-Buttons ab Kartenzoom 12 an Schleusen und Häfen mit Telefon, Website, E-Mail, VHF, Öffnungszeiten, Betreiber und Adresse, soweit in den Quelldaten vorhanden
-- Brückenhöhen, bekannte Tiefen, Wetter/Wellen, Tide, GPS und Kompass
+- Brückenhöhen, optionale Tiefenhinweise als Karteninformation, Wetter/Wellen, Tide, GPS und Kompass
 - frei sortierbare Zwischenziele direkt von der Karte
 - Abfahrtszeit-bezogene Wetter-, Wellen-, Strömungs- und Tidenplanung entlang der Route
 - Live-Wasserstände aus der offiziellen PEGELONLINE-API der WSV mit Cache- und Veraltet-Status
@@ -24,10 +24,10 @@ iPhone-taugliche Browser-PWA für Bootsfahrer: Karte, GPS, Kompass, Wetter/Welle
 ## Aktuelles Boot
 
 Über das Bootssymbol in der Navigationsleiste wird ein zentrales Bootsprofil
-gepflegt. Routenplanung, Tiefen- und Brückenprüfung, Fahrtdauer,
+gepflegt. Routenplanung, bekannte Durchfahrtsbeschränkungen, Fahrtdauer,
 Etappenplanung sowie die bootsabhängigen Werte der Ankerwache verwenden dieses
 Profil automatisch. Eine Änderung verwirft eine bereits berechnete Route, weil
-deren Sicherheitsprüfung noch auf den alten Maßen beruht.
+deren Routingprofil noch auf den alten Maßen beruht.
 
 Das versionierte Profil wird für ein Jahr im Cookie
 `watermaps.vessel-profile` dieses Browsers gespeichert. Es enthält nur
@@ -163,6 +163,17 @@ laufende Overpass-Verbindung. Berücksichtigt werden unter anderem
 explizit für Boote oder Schiffe freigegebene Flüsse. Gesperrte, private,
 stillgelegte oder im Bau befindliche Wege werden ausgeschlossen.
 
+Eine automatische Tiefenfreigabe der Route erfolgt bewusst nicht. Frei
+verfügbare Bathymetrie beschreibt häufig die Höhe des Gewässerbodens in
+unterschiedlichen Bezugssystemen; ohne passenden aktuellen Wasserstand und
+belastbare Aktualität ergibt sich daraus keine sichere befahrbare Wassertiefe.
+Das Routing berücksichtigt deshalb nur ausdrücklich an einem Fahrwasser
+erfasste maximale Tiefgänge (`maxDraughtM`) als Durchfahrtsbeschränkung und
+erzeugt weder eine Tiefenabdeckung noch Warnungen über unbekannte
+Tiefenpunkte. Die separate Tiefen-Kartenebene bleibt eine reine
+Karteninformation und fließt nicht in die Route ein. Die bei der Ankerwache
+manuell eingegebene örtliche Tiefe ist davon unabhängig.
+
 Nur im ausdrücklich aktivierten Demo-Modus
 `WATERMAPS_DEMO_DATA=true` stehen drei klar als nicht amtlich markierte
 Seed-Korridore bereit:
@@ -176,8 +187,9 @@ Produktiv und im regulären lokalen Containerbetrieb ist der Demo-Modus
 deaktiviert. Fehlt dort der vollständige lokale Index beziehungsweise eine
 andere konfigurierte Routingquelle, liefert die API
 `503 fairway_sources_unavailable`, statt unbemerkt eine grobe Seed-Route zu
-zeichnen. Der Emden–Hamm-Seed besitzt keine belastbaren Tiefen- oder
-Schleusenzeitdaten und ist bewusst auf Sportboote bis 2,5 m Tiefgang begrenzt.
+zeichnen. Der Emden–Hamm-Seed besitzt keine belastbaren Tiefenprofile oder
+Schleusenzeitdaten und enthält als explizite Demo-Beschränkung einen maximalen
+Tiefgang von 2,5 m.
 Vor der Fahrt sind aktuelle Sperrungen, Betriebszeiten, Wasserstände und
 amtliche Karten zu prüfen. Kostenfreie Inland-ENCs für den Dortmund-Ems- und
 Datteln-Hamm-Kanal stellt [ELWIS](https://www.elwis.de/DE/dynamisch/IENC/)

apps/api/src/app.ts

@@ -56,16 +56,7 @@ const routeRequestSchema = z.object({
     airDraftM: z.number().positive().max(80).optional(),
     beamM: z.number().positive().max(80).optional(),
     cruiseSpeedKn: z.number().positive().max(80).optional()
-  }),
-  depthSamples: z
-    .array(
-      z.object({
-        coordinate: coordinateSchema,
-        depthM: z.number().nullable()
-      })
-    )
-    .max(500)
-    .optional()
+  })
 }) satisfies z.ZodType<RouteRequest>;
 
 const coordinateQuerySchema = z.object({

apps/api/src/services/fairways.ts

@@ -54,7 +54,6 @@ export type FairwayRow = {
   source: string;
   source_id: string | null;
   name: string | null;
-  min_depth_m: string | number | null;
   properties?: Record<string, unknown> | null;
   geometry: {
     type: "LineString";
@@ -165,7 +164,6 @@ export class FairwayService {
             source,
             source_id,
             name,
-            min_depth_m,
             properties,
             ST_AsGeoJSON(geom)::json AS geometry
           FROM marine_fairway_edges
@@ -328,7 +326,6 @@ export function fairwayRowsToGraph(rows: FairwayRow[], bbox: [number, number, nu
           id: `postgis-edge-${row.id}`,
           name: row.name ?? row.source_id ?? `PostGIS ${row.id}`,
           coordinates: row.geometry.coordinates.map(([lon, lat]) => ({ lon, lat })),
-          minDepthM: parseNumeric(row.min_depth_m),
           source: `postgis-${row.source}`,
           ...edgeRestrictions(tags)
         };
@@ -352,7 +349,6 @@ export function overpassToGraph(response: OverpassResponse, bbox: [number, numbe
         id: `osm-way-${element.id}`,
         name: tags.name ?? tags.ref ?? `OSM ${element.id}`,
         coordinates,
-        minDepthM: parseDepth(tags),
         source: sourceFor(tags),
         ...edgeRestrictions(tags)
       };
@@ -386,7 +382,6 @@ export function localFairwaysToGraph(
           id: `local-osm-way-${way.id}`,
           name: tags.name ?? tags.ref ?? `OSM ${way.id}`,
           coordinates,
-          minDepthM: parseDepth(tags),
           source: `local-geofabrik-${source}`,
           ...edgeRestrictions(tags)
         };
@@ -443,7 +438,6 @@ function waysToGraph(
     id: string;
     name: string;
     coordinates: Coordinate[];
-    minDepthM: number | null;
     source: string;
     maxAirDraftM?: number | null;
     maxBeamM?: number | null;
@@ -473,7 +467,6 @@ function waysToGraph(
         from,
         to,
         coordinates: [start, end],
-        minDepthM: way.minDepthM,
         source: way.source,
         maxAirDraftM: way.maxAirDraftM,
         maxBeamM: way.maxBeamM,
@@ -579,28 +572,6 @@ function nodeIdFor(nodes: Map<string, FairwayNode>, coordinate: Coordinate) {
   return id;
 }
 
-function parseDepth(tags: Record<string, string>) {
-  const candidates = [
-    tags["seamark:fairway:minimum_depth"],
-    tags["seamark:recommended_track:minimum_depth"],
-    tags["seamark:navigation_line:minimum_depth"],
-    tags["depth"],
-    tags["min_depth"]
-  ];
-
-  for (const candidate of candidates) {
-    if (!candidate) {
-      continue;
-    }
-    const parsed = parseNumeric(candidate);
-    if (Number.isFinite(parsed)) {
-      return parsed;
-    }
-  }
-
-  return null;
-}
-
 function edgeRestrictions(tags: Record<string, string>) {
   return {
     maxAirDraftM: firstNumericTag(tags, [

apps/api/tests/api.test.ts

@@ -36,7 +36,6 @@ const testFairwayGraph = (
       from: `${id}-start`,
       to: `${id}-destination`,
       coordinates: [start, destination],
-      minDepthM: null,
       source: "test-fairway-source"
     }
   ]
@@ -68,7 +67,6 @@ const boundedSnapSearchFixture = () => {
         from: "junction",
         to: `trap-${index + 1}`,
         coordinates: [{ lat: 52, lon: 7 }, coordinate],
-        minDepthM: 4,
         oneway: true as const,
         source: `api-bounded-trap-${index + 1}`
       })),
@@ -78,7 +76,6 @@ const boundedSnapSearchFixture = () => {
         from: "junction",
         to: "destination",
         coordinates: [{ lat: 52, lon: 7 }, destination],
-        minDepthM: 4,
         oneway: true as const,
         source: "api-ninth-main-route"
       }
@@ -220,26 +217,6 @@ describe("Watermaps API", () => {
     await app.close();
   });
 
-  it("returns critical route warnings for shallow samples", async () => {
-    const app = await buildServer({ cache: createCache(), env: demoEnv });
-    const response = await app.inject({
-      method: "POST",
-      url: "/api/routes",
-      payload: {
-        start: { lat: 53.344167, lon: 7.186111 },
-        destination: { lat: 53.563776, lon: 6.750562 },
-        vesselProfile: { draughtM: 1.5, safetyReserveM: 0.4 },
-        depthSamples: [{ coordinate: { lat: 53.442996, lon: 6.833146 }, depthM: 1.6 }]
-      }
-    });
-
-    expect(response.statusCode).toBe(200);
-    expect(response.json().warnings.some((warning: { severity: string }) => warning.severity === "critical")).toBe(
-      true
-    );
-    await app.close();
-  });
-
   it("rejects routes without a known fairway instead of returning a straight line", async () => {
     const app = await buildServer({
       cache: createCache(),
@@ -443,7 +420,6 @@ describe("Watermaps API", () => {
     expect(body.routingMode).toBe("fairway");
     expect(body.dataSources).toContain("fairway-graph:ems-borkum-seed");
     expect(body.geometry.coordinates.length).toBeGreaterThan(20);
-    expect(body.warnings.some((warning: { code: string }) => warning.code === "FAIRWAY_ROUTE")).toBe(true);
     await app.close();
   });
 
@@ -469,7 +445,6 @@ describe("Watermaps API", () => {
                   name: "Norddeich Fahrwasser",
                   from: "norddeich",
                   to: "fairway",
-                  minDepthM: null,
                   source: "local-geofabrik-test",
                   coordinates: [
                     { lat: 53.6234, lon: 7.1559 },
@@ -481,7 +456,6 @@ describe("Watermaps API", () => {
                   name: "Norderney Fahrwasser",
                   from: "fairway",
                   to: "norderney",
-                  minDepthM: null,
                   source: "local-geofabrik-test",
                   coordinates: [
                     { lat: 53.66, lon: 7.16 },
@@ -605,7 +579,6 @@ describe("Watermaps API", () => {
                   name: "AB",
                   from: "a",
                   to: "b",
-                  minDepthM: 4,
                   source: "test-overpass",
                   coordinates: [
                     { lat: 54, lon: 10 },
@@ -617,7 +590,6 @@ describe("Watermaps API", () => {
                   name: "BC",
                   from: "b",
                   to: "c",
-                  minDepthM: 4,
                   source: "test-overpass",
                   coordinates: [
                     { lat: 54.02, lon: 10.05 },
@@ -679,7 +651,6 @@ describe("Watermaps API", () => {
                   from: "start-decoy-a",
                   to: "start-decoy-b",
                   coordinates: [coordinate(53.3416, 7.186), coordinate(53.342, 7.187)],
-                  minDepthM: null,
                   source: "closer-but-disconnected-start"
                 },
                 {
@@ -688,7 +659,6 @@ describe("Watermaps API", () => {
                   from: "destination-decoy-a",
                   to: "destination-decoy-b",
                   coordinates: [coordinate(53.3282, 6.9304), coordinate(53.3286, 6.9294)],
-                  minDepthM: null,
                   source: "closer-but-disconnected-destination"
                 },
                 {
@@ -697,7 +667,6 @@ describe("Watermaps API", () => {
                   from: "shared-start",
                   to: "shared-east",
                   coordinates: [coordinate(53.34145, 7.18585), coordinate(53.3321722, 7.1329034)],
-                  minDepthM: null,
                   source: "local-geofabrik-germany+netherlands"
                 },
                 {
@@ -706,7 +675,6 @@ describe("Watermaps API", () => {
                   from: "shared-east",
                   to: "shared-south",
                   coordinates: [coordinate(53.3321722, 7.1329034), coordinate(53.313849, 7.0011017)],
-                  minDepthM: null,
                   source: "local-geofabrik-germany+netherlands"
                 },
                 {
@@ -715,7 +683,6 @@ describe("Watermaps API", () => {
                   from: "shared-south",
                   to: "shared-destination",
                   coordinates: [coordinate(53.313849, 7.0011017), coordinate(53.32805, 6.9302)],
-                  minDepthM: null,
                   source: "local-geofabrik-germany+netherlands"
                 }
               ]
@@ -765,7 +732,6 @@ describe("Watermaps API", () => {
       from,
       to,
       coordinates,
-      minDepthM: 4,
       source: "test-alternatives"
     });
     const app = await buildServer({

apps/api/tests/fairways.test.ts

@@ -378,7 +378,6 @@ describe("fairway graph extraction", () => {
           source: "osm",
           source_id: "way-1",
           name: "Harbour Reach",
-          min_depth_m: "4.2",
           geometry: {
             type: "LineString",
             coordinates: [
@@ -392,7 +391,6 @@ describe("fairway graph extraction", () => {
           source: "osm",
           source_id: "way-2",
           name: "Outer Reach",
-          min_depth_m: 4.2,
           geometry: {
             type: "LineString",
             coordinates: [
@@ -430,7 +428,6 @@ describe("fairway graph extraction", () => {
           source: "osm",
           source_id: "way-main",
           name: "Ems Fahrwasser",
-          min_depth_m: null,
           geometry: {
             type: "LineString",
             coordinates: [
@@ -447,7 +444,6 @@ describe("fairway graph extraction", () => {
           source: "osm",
           source_id: "way-branch",
           name: "Busetief",
-          min_depth_m: null,
           geometry: {
             type: "LineString",
             coordinates: [
@@ -495,8 +491,7 @@ describe("fairway graph extraction", () => {
             type: "way",
             id: 123,
             tags: {
-              "seamark:type": "navigation_line",
-              "seamark:navigation_line:minimum_depth": "3.5"
+              "seamark:type": "navigation_line"
             },
             geometry: [
               { lat: 54, lon: 10 },
@@ -510,7 +505,6 @@ describe("fairway graph extraction", () => {
 
     expect(graph).not.toBeNull();
     expect(graph?.edges[0]?.source).toBe("osm-overpass-seamarks");
-    expect(graph?.edges[0]?.minDepthM).toBe(3.5);
   });
 
   it("accepts navigable canals but rejects explicitly closed waterways", () => {
@@ -553,7 +547,6 @@ describe("fairway graph extraction", () => {
           source: "osm",
           source_id: "north",
           name: "Dortmund-Ems-Kanal",
-          min_depth_m: null,
           geometry: {
             type: "LineString",
             coordinates: [
@@ -604,7 +597,6 @@ describe("fairway graph extraction", () => {
           source: "osm",
           source_id: "way-restricted",
           name: "Niedrige Durchfahrt",
-          min_depth_m: "3.0",
           properties: { maxheight: "2.4 m", maxwidth: "3.2", maxdraft: "1.8", oneway: "yes" },
           geometry: {
             type: "LineString",

apps/web/src/App.tsx

@@ -44,6 +44,7 @@ import { useGeolocation } from "./hooks/useGeolocation";
 import { useMarineData } from "./hooks/useMarineData";
 import type { OfflineVoyage } from "./lib/offline-route";
 import { boatCategoryLabel, toVesselProfile } from "./lib/boat-profile";
+import { isOpenRouteWarning } from "./lib/route-warnings";
 import {
   upcomingRouteEvents,
   type RouteEventEtaBasis,
@@ -300,7 +301,7 @@ export function App() {
   }, [route]);
 
   const routeWarningCount = useMemo(
-    () => route?.warnings.filter((warning) => warning.severity !== "info").length ?? 0,
+    () => route?.warnings.filter(isOpenRouteWarning).length ?? 0,
     [route]
   );
   const handleMapReady = useCallback(() => setMapReady(true), []);
@@ -487,9 +488,13 @@ export function App() {
         : route
           ? "active"
           : "idle",
-      route: guidanceAlarm || route?.warnings.some((warning) => warning.severity === "critical")
+      route: guidanceAlarm || route?.warnings.some(
+        (warning) => isOpenRouteWarning(warning) && warning.severity === "critical"
+      )
         ? "alarm"
-        : route?.warnings.some((warning) => warning.severity === "caution")
+        : route?.warnings.some(
+              (warning) => isOpenRouteWarning(warning) && warning.severity === "caution"
+            )
           ? "caution"
           : courseAssistant.active || route
             ? "active"
@@ -1006,6 +1011,7 @@ export function App() {
                 headingSource={guidanceHeadingSource}
                 accuracyM={gps.accuracyM}
                 fixStale={courseAssistant.fixStale}
+                routeWarnings={route?.warnings ?? []}
                 onStop={courseAssistant.stop}
               />
             </LazyContent>

apps/web/src/components/BoatProfilePanel.tsx

@@ -190,7 +190,7 @@ export function BoatProfilePanel({
           <legend>Abmessungen und Fahrtwerte</legend>
           <p>
             Bitte die Werte für den normalen Fahrzustand eintragen. Sie
-            beeinflussen Durchfahrt, Tiefenprüfung und Fahrtdauer.
+            beeinflussen bekannte Durchfahrtsbeschränkungen und Fahrtdauer.
           </p>
 
           <div className="boat-profile-field-grid">
@@ -232,7 +232,7 @@ export function BoatProfilePanel({
             />
             <NumberField
               label="Sicherheitsreserve"
-              help="Zusätzlicher Abstand zum Grund beim Routing."
+              help="Wird im Bootsprofil gespeichert; eine automatische Routentiefenprüfung findet derzeit nicht statt."
               unit="m"
               min={0}
               max={10}

apps/web/src/components/CourseAssistantPanel.tsx

@@ -1,5 +1,6 @@
 import { AlertTriangle, Navigation, Square } from "lucide-react";
-import type { RouteGuidanceResult } from "@watermaps/shared";
+import type { RouteGuidanceResult, RouteWarning } from "@watermaps/shared";
+import { RouteWarnings } from "./RouteWarnings";
 import "./CourseAssistantPanel.css";
 
 export type CourseAssistantPanelProps = {
@@ -9,6 +10,7 @@ export type CourseAssistantPanelProps = {
   headingSource: "COG" | "HDG" | "--";
   accuracyM: number | null;
   fixStale: boolean;
+  routeWarnings?: RouteWarning[];
   onStop: () => void;
 };
 
@@ -19,6 +21,7 @@ export function CourseAssistantPanel({
   headingSource,
   accuracyM,
   fixStale,
+  routeWarnings = [],
   onStop
 }: CourseAssistantPanelProps) {
   const waitingForGps = !guidance && !fixStale;
@@ -47,6 +50,8 @@ export function CourseAssistantPanel({
         </button>
       </header>
 
+      <RouteWarnings warnings={routeWarnings} />
+
       <div className="course-assistant-main">
         <span
           className="course-assistant-arrow"

apps/web/src/components/RoutePlanner.tsx

@@ -38,9 +38,11 @@ import {
   DEFAULT_BOAT_PROFILE,
   toVesselProfile
 } from "../lib/boat-profile";
+import { isOpenRouteWarning } from "../lib/route-warnings";
 import type { RouteLock } from "../voyageHarbours";
 import { LazyContent } from "./LazyContent";
 import { NavigationDataPanel } from "./NavigationDataPanel";
+import { RouteWarnings } from "./RouteWarnings";
 import { RouteTidePanel, type RouteTidePlan } from "./RouteTidePanel";
 import { VoyagePlan } from "./VoyagePlan";
 
@@ -173,10 +175,18 @@ export function RoutePlanner({
     if (!result) {
       return "idle";
     }
-    if (result.warnings.some((warning) => warning.severity === "critical")) {
+    if (
+      result.warnings.some(
+        (warning) => isOpenRouteWarning(warning) && warning.severity === "critical"
+      )
+    ) {
       return "critical";
     }
-    if (result.warnings.some((warning) => warning.severity === "caution")) {
+    if (
+      result.warnings.some(
+        (warning) => isOpenRouteWarning(warning) && warning.severity === "caution"
+      )
+    ) {
       return "caution";
     }
     return "ok";
@@ -207,9 +217,6 @@ export function RoutePlanner({
     }
     return new Date(timestamp + routeLocks.length * lockDelayMinutes * 60_000).toISOString();
   }, [lockDelayMinutes, result?.eta, routeLocks.length, weatherReport?.adjustedEta]);
-  const criticalWarnings = result?.warnings.filter((warning) => warning.severity === "critical") ?? [];
-  const otherWarnings = result?.warnings.filter((warning) => warning.severity !== "critical") ?? [];
-
   useEffect(() => {
     if (!result) {
       setPlannerView("input");
@@ -554,9 +561,7 @@ export function RoutePlanner({
         <span>
           {result.routingMode === "fairway"
             ? "Fahrwasser"
-            : result.unknownDepthRatio > 0
-              ? `${Math.round(result.unknownDepthRatio * 100)}% unbekannt`
-              : "Tiefe OK"}
+            : "Direkte Wegpunkte"}
         </span>
         {(weatherReport?.adjustedEta ?? result.eta) && (
           <span>
@@ -578,52 +583,7 @@ export function RoutePlanner({
         </section>
       )}
 
-      {(error || criticalWarnings.length > 0) && (
-        <section
-          className="warning-list route-priority-warnings"
-          aria-label="Kritische Hinweise"
-          role="alert"
-        >
-          <strong>Kritische Hinweise</strong>
-          {error && (
-            <p>
-              <AlertTriangle size={14} aria-hidden="true" />
-              {error}
-            </p>
-          )}
-          {criticalWarnings.map((warning, index) => (
-            <p key={`${warning.code}-${index}`}>
-              <AlertTriangle size={14} aria-hidden="true" />
-              {warning.message}
-            </p>
-          ))}
-        </section>
-      )}
-
-      {otherWarnings.length > 0 && (
-        <section className="warning-list" aria-label="Weitere Hinweise">
-          <strong>Weitere Hinweise</strong>
-          {otherWarnings.slice(0, 3).map((warning, index) => (
-            <p key={`${warning.code}-${index}`}>
-              <AlertTriangle size={14} aria-hidden="true" />
-              {warning.message}
-            </p>
-          ))}
-          {otherWarnings.length > 3 && (
-            <details className="voyage-tools-disclosure">
-              <summary>{otherWarnings.length - 3} weitere Hinweise</summary>
-              <div className="warning-list">
-                {otherWarnings.slice(3).map((warning, index) => (
-                  <p key={`${warning.code}-${index + 3}`}>
-                    <AlertTriangle size={14} aria-hidden="true" />
-                    {warning.message}
-                  </p>
-                ))}
-              </div>
-            </details>
-          )}
-        </section>
-      )}
+      <RouteWarnings warnings={result.warnings} error={error} />
 
       {routeOptions.length > 1 && (
         <section className="route-options" aria-label="Routenalternativen">

apps/web/src/components/RouteTidePanel.tsx

@@ -37,7 +37,10 @@ export function RouteTidePanel({ plan, loading, error }: RouteTidePanelProps) {
           <TideLocation label="Ziel" summary={plan.destination} />
         </div>
       )}
-      <small>Stationsabstand und Bezugsnull beachten; Wasserstände ersetzen keine amtliche Tiefenprüfung.</small>
+      <small>
+        Stationsabstand und Bezugsnull beachten; angezeigte Wasserstände geben keine befahrbare
+        Wassertiefe an.
+      </small>
     </section>
   );
 }

apps/web/src/components/RouteWarnings.tsx

@@ -0,0 +1,68 @@
+import { AlertTriangle, Info } from "lucide-react";
+import type { RouteWarning } from "@watermaps/shared";
+import { isOpenRouteWarning, isRetainedRouteWarning } from "../lib/route-warnings";
+
+export type RouteWarningsProps = {
+  warnings: RouteWarning[];
+  error?: string | null;
+};
+
+export function RouteWarnings({ warnings, error = null }: RouteWarningsProps) {
+  const openWarnings = warnings.filter(isOpenRouteWarning);
+  const criticalWarnings = openWarnings.filter((warning) => warning.severity === "critical");
+  const cautionWarnings = openWarnings.filter((warning) => warning.severity === "caution");
+  const informationalWarnings = warnings.filter(
+    (warning) => isRetainedRouteWarning(warning) && warning.severity === "info"
+  );
+
+  return (
+    <>
+      {(error || openWarnings.length > 0) && (
+        <section className="warning-list" aria-label="Routing-Hinweise">
+          {openWarnings.length > 0 && <strong>Hinweise ({openWarnings.length})</strong>}
+          {(error || criticalWarnings.length > 0) && (
+            <div
+              className="warning-list route-priority-warnings"
+              aria-label="Kritische Hinweise"
+              role="alert"
+            >
+              <strong>Kritische Hinweise</strong>
+              {error && (
+                <p>
+                  <AlertTriangle size={14} aria-hidden="true" />
+                  {error}
+                </p>
+              )}
+              {criticalWarnings.map((warning, index) => (
+                <p key={`${warning.code}-${index}`}>
+                  <AlertTriangle size={14} aria-hidden="true" />
+                  {warning.message}
+                </p>
+              ))}
+            </div>
+          )}
+          {cautionWarnings.map((warning, index) => (
+            <p key={`${warning.code}-${index}`}>
+              <AlertTriangle size={14} aria-hidden="true" />
+              {warning.message}
+            </p>
+          ))}
+        </section>
+      )}
+
+      {informationalWarnings.length > 0 && (
+        <details className="voyage-tools-disclosure">
+          <summary>Routingdetails ({informationalWarnings.length})</summary>
+          <div className="warning-list">
+            {informationalWarnings.map((warning, index) => (
+              <p key={`${warning.code}-${index}`}>
+                <Info size={14} aria-hidden="true" />
+                {warning.message}
+              </p>
+            ))}
+          </div>
+        </details>
+      )}
+    </>
+  );
+}

apps/web/src/lib/gpx.ts

@@ -1,4 +1,5 @@
 import type { RouteResult } from "@watermaps/shared";
+import { isRetainedRouteWarning } from "./route-warnings";
 
 const DEFAULT_CREATOR = "Watermaps";
 
@@ -25,7 +26,10 @@ export function createRouteGpx(route: RouteResult, options: GpxExportOptions = {
   const createdAt = normalizeDate(options.createdAt);
   const source = cleanText(route.dataSources.join(", ") || DEFAULT_CREATOR, 500);
   const warningSummary = cleanText(
-    route.warnings.map((warning) => warning.message).join(" · ") || "Nicht amtliche Routenplanung",
+    route.warnings
+      .filter(isRetainedRouteWarning)
+      .map((warning) => warning.message)
+      .join(" · ") || "Nicht amtliche Routenplanung",
     1_000
   );
   const bounds = routeBounds(coordinates);

apps/web/src/lib/offline-route.ts

@@ -5,6 +5,7 @@ import type {
   RouteWarning,
   VesselProfile
 } from "@watermaps/shared";
+import { isRetainedRouteWarning } from "./route-warnings";
 
 export const OFFLINE_VOYAGES_STORAGE_KEY = "watermaps.offline-voyages.v1";
 export const LEGACY_OFFLINE_VOYAGES_STORAGE_KEY = "seacompass.offline-voyages.v1";
@@ -211,8 +212,6 @@ function normalizeRoute(value: unknown): RouteResult {
   const coordinates = normalizeLineCoordinates(value.geometry.coordinates);
   const distanceNm = finiteNumber(value.distanceNm, 0, 100_000);
   const eta = value.eta === null ? null : limitedString(value.eta, 100);
-  const minKnownDepthM = value.minKnownDepthM === null ? null : finiteNumber(value.minKnownDepthM, 0, 20_000);
-  const unknownDepthRatio = finiteNumber(value.unknownDepthRatio, 0, 1);
   const warnings = normalizeWarnings(value.warnings);
   const dataSources = normalizeStrings(value.dataSources, 100, 500);
   const id = value.id === undefined ? undefined : limitedString(value.id, 160);
@@ -232,8 +231,6 @@ function normalizeRoute(value: unknown): RouteResult {
     distanceNm,
     eta,
     warnings,
-    minKnownDepthM,
-    unknownDepthRatio,
     dataSources,
     ...(departureTime ? { departureTime } : {}),
     ...(durationMinutes !== undefined ? { durationMinutes } : {}),
@@ -320,23 +317,25 @@ function normalizeWarnings(value: unknown): RouteWarning[] {
   if (!Array.isArray(value) || value.length > 500) {
     throw new OfflineVoyageStorageError("Die Routenwarnungen sind ungültig.");
   }
-  return value.map((warning) => {
-    if (!isRecord(warning)) {
-      throw new OfflineVoyageStorageError("Eine Routenwarnung ist ungültig.");
-    }
-    const code = limitedString(warning.code, 100);
-    const message = limitedString(warning.message, 1_000);
-    const severity = warning.severity;
-    if (!code || !message || (severity !== "info" && severity !== "caution" && severity !== "critical")) {
-      throw new OfflineVoyageStorageError("Eine Routenwarnung ist ungültig.");
-    }
-    return {
-      code,
-      message,
-      severity,
-      ...(warning.coordinate === undefined ? {} : { coordinate: normalizeCoordinate(warning.coordinate) })
-    };
-  });
+  return value
+    .map((warning): RouteWarning => {
+      if (!isRecord(warning)) {
+        throw new OfflineVoyageStorageError("Eine Routenwarnung ist ungültig.");
+      }
+      const code = limitedString(warning.code, 100);
+      const message = limitedString(warning.message, 1_000);
+      const severity = warning.severity;
+      if (!code || !message || (severity !== "info" && severity !== "caution" && severity !== "critical")) {
+        throw new OfflineVoyageStorageError("Eine Routenwarnung ist ungültig.");
+      }
+      return {
+        code,
+        message,
+        severity,
+        ...(warning.coordinate === undefined ? {} : { coordinate: normalizeCoordinate(warning.coordinate) })
+      };
+    })
+    .filter(isRetainedRouteWarning);
 }
 
 function normalizeStrings(value: unknown, maxItems: number, maxLength: number): string[] {

apps/web/src/lib/route-warnings.ts

@@ -0,0 +1,18 @@
+import type { RouteWarning } from "@watermaps/shared";
+
+const REMOVED_ROUTE_WARNING_CODES = new Set([
+  "FAIRWAY_ROUTE",
+  "FAIRWAY_DATA_NOT_OFFICIAL",
+  "DEPTH_UNKNOWN",
+  "DEPTH_PARTIAL",
+  "NO_KNOWN_DEPTH",
+  "DEPTH_TOO_SHALLOW"
+]);
+
+export function isRetainedRouteWarning(warning: RouteWarning): boolean {
+  return !REMOVED_ROUTE_WARNING_CODES.has(warning.code);
+}
+
+export function isOpenRouteWarning(warning: RouteWarning): boolean {
+  return isRetainedRouteWarning(warning) && warning.severity !== "info";
+}

apps/web/tests/course-assistant-hook.test.tsx

@@ -98,8 +98,6 @@ function route(id: string, coordinates: [number, number][]): RouteResult {
     distanceNm: 1,
     eta: null,
     warnings: [],
-    minKnownDepthM: null,
-    unknownDepthRatio: 1,
     dataSources: ["Test"],
     routingMode: "fairway"
   };

apps/web/tests/course-assistant-panel.test.tsx

@@ -80,4 +80,52 @@ describe("CourseAssistantPanel", () => {
     expect(screen.getByText(/GPS-Fix ist veraltet/)).toBeVisible();
     expect(screen.getByText("---")).toBeVisible();
   });
+
+  it("keeps every open route warning visible while guidance is active", () => {
+    render(
+      <CourseAssistantPanel
+        guidance={null}
+        gpsStatus="tracking"
+        headingDeg={null}
+        headingSource="--"
+        accuracyM={null}
+        fixStale={false}
+        routeWarnings={[
+          {
+            code: "ROUTING_SOURCE",
+            severity: "info",
+            message: "Routingquelle: lokaler Graph."
+          },
+          {
+            code: "BRIDGE_TOO_LOW",
+            severity: "caution",
+            message: "Eine Brücke ist zu niedrig."
+          },
+          {
+            code: "ROUTE_SEARCH_LIMITED",
+            severity: "caution",
+            message: "Die Snap-Suche wurde begrenzt."
+          },
+          {
+            code: "START_SNAP_TOO_FAR",
+            severity: "caution",
+            message: "Der Startpunkt liegt weit vom Fahrwasser entfernt."
+          },
+          {
+            code: "DESTINATION_SNAP_TOO_FAR",
+            severity: "caution",
+            message: "Der Zielpunkt liegt weit vom Fahrwasser entfernt."
+          }
+        ]}
+        onStop={vi.fn()}
+      />
+    );
+
+    expect(screen.getByText("Hinweise (4)")).toBeVisible();
+    expect(screen.getByText("Eine Brücke ist zu niedrig.")).toBeVisible();
+    expect(screen.getByText("Die Snap-Suche wurde begrenzt.")).toBeVisible();
+    expect(screen.getByText("Der Startpunkt liegt weit vom Fahrwasser entfernt.")).toBeVisible();
+    expect(screen.getByText("Der Zielpunkt liegt weit vom Fahrwasser entfernt.")).toBeVisible();
+    expect(screen.getByText("Routingdetails (1)")).toBeVisible();
+  });
 });

apps/web/tests/e2e/app.spec.ts

@@ -128,8 +128,6 @@ test("starts a visible dynamic course assistant only after route planning", asyn
         distanceNm: 0.7,
         eta: null,
         warnings: [],
-        minKnownDepthM: null,
-        unknownDepthRatio: 1,
         dataSources: ["E2E"],
         routingMode: "fairway"
       })

apps/web/tests/gpx.test.ts

@@ -35,6 +35,33 @@ describe("GPX export", () => {
       geometry: { type: "LineString", coordinates: [[7, 53], [181, 52]] }
     })).toThrow(/ungültige Koordinaten/);
   });
+
+  it("does not export retired route warnings", () => {
+    const gpx = createRouteGpx({
+      ...routeFixture,
+      warnings: [
+        {
+          code: "FAIRWAY_ROUTE",
+          severity: "info",
+          message: "Alter Graph-Hinweis"
+        },
+        {
+          code: "NO_KNOWN_DEPTH",
+          severity: "caution",
+          message: "Alter Tiefen-Hinweis"
+        },
+        {
+          code: "ROUTE_SEARCH_LIMITED",
+          severity: "caution",
+          message: "Aktueller Such-Hinweis"
+        }
+      ]
+    });
+
+    expect(gpx).not.toContain("Alter Graph-Hinweis");
+    expect(gpx).not.toContain("Alter Tiefen-Hinweis");
+    expect(gpx).toContain("Aktueller Such-Hinweis");
+  });
 });
 
 const routeFixture: RouteResult = {
@@ -47,8 +74,6 @@ const routeFixture: RouteResult = {
   distanceNm: 153.69,
   eta: null,
   warnings: [{ code: "NOT_OFFICIAL", severity: "caution", message: "Nicht amtlich & vor Ort prüfen" }],
-  minKnownDepthM: null,
-  unknownDepthRatio: 1,
   dataSources: ["OpenStreetMap <curated>"],
   routingMode: "fairway"
 };

apps/web/tests/map-view.test.tsx

@@ -530,8 +530,6 @@ describe("MapView marine feature information", () => {
       distanceNm: 120,
       eta: null,
       warnings: [],
-      minKnownDepthM: null,
-      unknownDepthRatio: 1,
       dataSources: [],
       routingMode: "fairway"
     };

apps/web/tests/navigation-workspace.test.tsx

@@ -22,9 +22,9 @@ describe("NavigationToolRail", () => {
           anchor: "alarm",
           conditions: "active",
           upcoming: "caution",
-          route: "stale"
+          route: "caution"
         }}
-        badges={{ upcoming: 123 }}
+        badges={{ upcoming: 123, route: 4 }}
       />
     );
 
@@ -58,7 +58,10 @@ describe("NavigationToolRail", () => {
     expect(upcoming).toHaveAttribute("data-status", "caution");
     expect(within(upcoming).getByText("99+")).toBeVisible();
 
-    const route = screen.getByRole("button", { name: /Route, Daten veraltet, öffnen/ });
+    const route = screen.getByRole("button", {
+      name: /Route, Warnung, 4 Hinweise, öffnen/
+    });
+    expect(within(route).getByText("4")).toBeVisible();
     fireEvent.click(route);
     expect(onSelect).toHaveBeenCalledWith("route");
   });

apps/web/tests/offline-route.test.ts

@@ -68,6 +68,71 @@ describe("offline voyage storage", () => {
     expect(listOfflineVoyages(localStorage)).toEqual([]);
   });
 
+  it("removes retired warnings and depth fields from legacy offline routes", () => {
+    const record = createOfflineVoyageRecord(
+      { route: routeFixture },
+      { id: "legacy-voyage", savedAt: "2026-07-19T12:00:00.000Z" }
+    );
+    const legacyRecord = {
+      ...record,
+      route: {
+        ...record.route,
+        minKnownDepthM: null,
+        unknownDepthRatio: 1,
+        warnings: [
+          {
+            code: "FAIRWAY_ROUTE",
+            severity: "info",
+            message: "Alter Graph-Hinweis"
+          },
+          {
+            code: "FAIRWAY_DATA_NOT_OFFICIAL",
+            severity: "caution",
+            message: "Alter Daten-Hinweis"
+          },
+          {
+            code: "DEPTH_UNKNOWN",
+            severity: "caution",
+            message: "Alter Tiefenpunkt-Hinweis"
+          },
+          {
+            code: "DEPTH_PARTIAL",
+            severity: "caution",
+            message: "Alter Teil-Tiefenhinweis"
+          },
+          {
+            code: "NO_KNOWN_DEPTH",
+            severity: "caution",
+            message: "Alter Unbekannt-Hinweis"
+          },
+          {
+            code: "DEPTH_TOO_SHALLOW",
+            severity: "critical",
+            message: "Alter Flachwasser-Hinweis"
+          },
+          {
+            code: "ROUTE_SEARCH_LIMITED",
+            severity: "caution",
+            message: "Suche begrenzt"
+          }
+        ]
+      }
+    };
+    localStorage.setItem(OFFLINE_VOYAGES_STORAGE_KEY, JSON.stringify([legacyRecord]));
+
+    const restored = loadOfflineVoyage("legacy-voyage", localStorage);
+
+    expect(restored?.route.warnings).toEqual([
+      {
+        code: "ROUTE_SEARCH_LIMITED",
+        severity: "caution",
+        message: "Suche begrenzt"
+      }
+    ]);
+    expect(restored?.route).not.toHaveProperty("minKnownDepthM");
+    expect(restored?.route).not.toHaveProperty("unknownDepthRatio");
+  });
+
   it("rejects unsafe route coordinates before writing", () => {
     expect(() => createOfflineVoyageRecord({
       route: {
@@ -91,8 +156,6 @@ const routeFixture: RouteResult = {
   durationMinutes: 120,
   eta: "2026-07-20T08:00:00.000Z",
   warnings: [{ code: "NOT_OFFICIAL", severity: "caution", message: "Nicht amtlich" }],
-  minKnownDepthM: null,
-  unknownDepthRatio: 1,
   dataSources: ["OSM"],
   routingMode: "fairway",
   routeSnaps: {
@@ -115,8 +178,6 @@ const routeFixture: RouteResult = {
     distanceNm: 160,
     eta: null,
     warnings: [],
-    minKnownDepthM: null,
-    unknownDepthRatio: 1,
     dataSources: ["OSM"]
   }]
 };

apps/web/tests/route-events.test.ts

@@ -22,8 +22,6 @@ const route: RouteResult = {
   distanceNm: 60,
   eta: null,
   warnings: [],
-  minKnownDepthM: null,
-  unknownDepthRatio: 1,
   dataSources: ["test"]
 };
 

apps/web/tests/route-planner.test.tsx

@@ -1,5 +1,5 @@
 import "@testing-library/jest-dom/vitest";
-import { act, cleanup, fireEvent, render, screen } from "@testing-library/react";
+import { act, cleanup, fireEvent, render, screen, within } from "@testing-library/react";
 import { afterEach, describe, expect, it, vi } from "vitest";
 import { RoutePlanner } from "../src/components/RoutePlanner";
 import { DEFAULT_BOAT_PROFILE } from "../src/lib/boat-profile";
@@ -416,6 +416,7 @@ describe("RoutePlanner", () => {
     );
 
     expect(screen.getByText("Routenergebnis")).toBeVisible();
+    expect(screen.getByText("Hinweise (2)")).toBeVisible();
     expect(screen.getByText("Brücke ist zu niedrig.")).toBeVisible();
     expect(screen.getByText("Wind aufmerksam beobachten.")).toBeVisible();
     expect(screen.queryByRole("button", { name: "Start auf Karte setzen" })).not.toBeInTheDocument();
@@ -426,6 +427,89 @@ describe("RoutePlanner", () => {
     expect(screen.getByRole("button", { name: "Zur Route" })).toBeVisible();
   });
 
+  it("filters retired fairway and depth warnings from route results", () => {
+    const result = {
+      ...routeOption("primary", "Hauptroute", 24.48),
+      warnings: [
+        {
+          code: "FAIRWAY_ROUTE",
+          severity: "info" as const,
+          message: "Entfernter Graph-Hinweis."
+        },
+        {
+          code: "FAIRWAY_DATA_NOT_OFFICIAL",
+          severity: "caution" as const,
+          message: "Entfernter Daten-Hinweis."
+        },
+        {
+          code: "ROUTE_SEARCH_LIMITED",
+          severity: "caution" as const,
+          message: "Die Snap-Suche wurde begrenzt."
+        },
+        {
+          code: "DEPTH_PARTIAL",
+          severity: "caution" as const,
+          message: "Entfernter Teil-Tiefenhinweis."
+        },
+        {
+          code: "NO_KNOWN_DEPTH",
+          severity: "caution" as const,
+          message: "Entfernter Unbekannt-Hinweis."
+        },
+        {
+          code: "DEPTH_UNKNOWN",
+          severity: "caution" as const,
+          message: "Entfernter Tiefenpunkt-Hinweis."
+        },
+        {
+          code: "DEPTH_TOO_SHALLOW",
+          severity: "critical" as const,
+          message: "Entfernter Flachwasser-Hinweis."
+        }
+      ]
+    };
+
+    render(
+      <RoutePlanner
+        startPoint={{ lat: 53.4647, lon: 7.474 }}
+        gpsPosition={null}
+        destination={{ lat: 53.5147, lon: 8.1203 }}
+        result={result}
+        routeOptions={[result]}
+        weatherReport={null}
+        weatherLoading={false}
+        weatherError={null}
+        loading={false}
+        error={null}
+        pickMode={null}
+        onSubmit={vi.fn()}
+        onPickStart={vi.fn()}
+        onPickDestination={vi.fn()}
+        onClearStart={vi.fn()}
+        onClearDestination={vi.fn()}
+        onUseGpsAsStart={vi.fn()}
+        onSelectRoute={vi.fn()}
+        onCollapse={vi.fn()}
+        embedded
+      />
+    );
+
+    const warnings = screen.getByRole("region", { name: "Routing-Hinweise" });
+    expect(within(warnings).getByText("Hinweise (1)")).toBeVisible();
+    expect(within(warnings).getByText("Die Snap-Suche wurde begrenzt.")).toBeVisible();
+    expect(screen.queryByText("Entfernter Graph-Hinweis.")).not.toBeInTheDocument();
+    expect(screen.queryByText("Entfernter Daten-Hinweis.")).not.toBeInTheDocument();
+    expect(screen.queryByText("Entfernter Teil-Tiefenhinweis.")).not.toBeInTheDocument();
+    expect(screen.queryByText("Entfernter Unbekannt-Hinweis.")).not.toBeInTheDocument();
+    expect(screen.queryByText("Entfernter Tiefenpunkt-Hinweis.")).not.toBeInTheDocument();
+    expect(screen.queryByText("Entfernter Flachwasser-Hinweis.")).not.toBeInTheDocument();
+    expect(screen.queryByText(/Routingdetails/)).not.toBeInTheDocument();
+    expect(screen.getByText("Hauptroute").closest(".route-result")).toHaveAttribute(
+      "data-severity",
+      "caution"
+    );
+  });
+
   it("shows the route weather report after a route was calculated", () => {
     render(
       <RoutePlanner
@@ -437,8 +521,6 @@ describe("RoutePlanner", () => {
           distanceNm: 4.2,
           eta: null,
           warnings: [],
-          minKnownDepthM: null,
-          unknownDepthRatio: 1,
           dataSources: [],
           routingMode: "fairway"
         }}
@@ -608,8 +690,6 @@ function routeOption(id: string, name: string, distanceNm: number) {
     distanceNm,
     eta: "2026-07-13T14:00:00.000Z",
     warnings: [],
-    minKnownDepthM: null,
-    unknownDepthRatio: 1,
     dataSources: [],
     routingMode: "fairway" as const
   };

apps/web/tests/route-warnings.test.ts

@@ -0,0 +1,53 @@
+import { describe, expect, it } from "vitest";
+import type { RouteWarning } from "@watermaps/shared";
+import {
+  isOpenRouteWarning,
+  isRetainedRouteWarning
+} from "../src/lib/route-warnings";
+
+describe("route warning filters", () => {
+  it("filters every retired fairway and depth warning code centrally", () => {
+    const retiredCodes = [
+      "FAIRWAY_ROUTE",
+      "FAIRWAY_DATA_NOT_OFFICIAL",
+      "DEPTH_UNKNOWN",
+      "DEPTH_PARTIAL",
+      "NO_KNOWN_DEPTH",
+      "DEPTH_TOO_SHALLOW"
+    ];
+
+    for (const code of retiredCodes) {
+      const warning: RouteWarning = {
+        code,
+        severity: "critical",
+        message: `Alter Hinweis ${code}`
+      };
+      expect(isRetainedRouteWarning(warning)).toBe(false);
+      expect(isOpenRouteWarning(warning)).toBe(false);
+    }
+  });
+
+  it("retains current warnings and only counts non-informational ones as open", () => {
+    expect(
+      isRetainedRouteWarning({
+        code: "ROUTE_SEARCH_LIMITED",
+        severity: "caution",
+        message: "Suche begrenzt"
+      })
+    ).toBe(true);
+    expect(
+      isOpenRouteWarning({
+        code: "ROUTE_SEARCH_LIMITED",
+        severity: "caution",
+        message: "Suche begrenzt"
+      })
+    ).toBe(true);
+    expect(
+      isOpenRouteWarning({
+        code: "ROUTING_SOURCE",
+        severity: "info",
+        message: "Routingquelle"
+      })
+    ).toBe(false);
+  });
+});

apps/web/tests/route-weather-report.test.ts

@@ -148,8 +148,6 @@ const routeFixture: RouteResult = {
   distanceNm: 25,
   eta: null,
   warnings: [],
-  minKnownDepthM: null,
-  unknownDepthRatio: 1,
   dataSources: [],
   routingMode: "fairway"
 };

apps/web/tests/voyage-navigation-tools.test.tsx

@@ -126,8 +126,6 @@ const routeFixture: RouteResult = {
   distanceNm: 0.4,
   eta: null,
   warnings: [],
-  minKnownDepthM: null,
-  unknownDepthRatio: 1,
   dataSources: ["Test"],
   routingMode: "fairway"
 };

packages/shared/src/fairway-routing.ts

@@ -1,7 +1,6 @@
 import { haversineDistanceNm, sumRouteDistanceNm } from "./geo.js";
 import type {
   Coordinate,
-  DepthSample,
   RouteOption,
   RouteRequest,
   RouteResult,
@@ -22,7 +21,6 @@ export type FairwayEdge = {
   from: string;
   to: string;
   coordinates: Coordinate[];
-  minDepthM: number | null;
   maxAirDraftM?: number | null;
   maxBeamM?: number | null;
   maxDraughtM?: number | null;
@@ -126,7 +124,6 @@ export const EMDEN_BORKUM_DEMO_GRAPH: FairwayGraph = {
       name: "Emden Außenhafen Ausfahrt",
       from: "emden-aussenhafen",
       to: "emden-harbour-leading",
-      minDepthM: 8.5,
       coordinates: [
         { lat: 53.344167, lon: 7.186111 },
         { lat: 53.339, lon: 7.191 },
@@ -138,7 +135,6 @@ export const EMDEN_BORKUM_DEMO_GRAPH: FairwayGraph = {
       name: "Emder Leitlinie zum Emsfahrwasser",
       from: "emden-harbour-leading",
       to: "ems-fairway-inner",
-      minDepthM: 8.5,
       coordinates: [
         { lat: 53.333897, lon: 7.201469 },
         { lat: 53.332236, lon: 7.132959 },
@@ -150,7 +146,6 @@ export const EMDEN_BORKUM_DEMO_GRAPH: FairwayGraph = {
       name: "Inneres Emsfahrwasser",
       from: "ems-fairway-inner",
       to: "knock-reach",
-      minDepthM: 8.5,
       coordinates: [
         { lat: 53.33532, lon: 7.132674 },
         { lat: 53.333, lon: 7.075 },
@@ -162,7 +157,6 @@ export const EMDEN_BORKUM_DEMO_GRAPH: FairwayGraph = {
       name: "Außenems über Paapsand",
       from: "knock-reach",
       to: "paapsand-reach",
-      minDepthM: 7.5,
       coordinates: [
         { lat: 53.327597, lon: 7.015002 },
         { lat: 53.323764, lon: 6.985 },
@@ -175,7 +169,6 @@ export const EMDEN_BORKUM_DEMO_GRAPH: FairwayGraph = {
       name: "Westerems Südansteuerung",
       from: "paapsand-reach",
       to: "westerems-south",
-      minDepthM: 7,
       coordinates: [
         { lat: 53.339, lon: 6.93 },
         { lat: 53.348, lon: 6.9 },
@@ -188,7 +181,6 @@ export const EMDEN_BORKUM_DEMO_GRAPH: FairwayGraph = {
       name: "Westerems Fahrwasser",
       from: "westerems-south",
       to: "eemshaven-approach",
-      minDepthM: 7,
       coordinates: [
         { lat: 53.376, lon: 6.865 },
         { lat: 53.398, lon: 6.85 },
@@ -201,7 +193,6 @@ export const EMDEN_BORKUM_DEMO_GRAPH: FairwayGraph = {
       name: "Borkum Südansteuerung",
       from: "eemshaven-approach",
       to: "borkum-south-approach",
-      minDepthM: 6,
       coordinates: [
         { lat: 53.442996, lon: 6.833146 },
         { lat: 53.463, lon: 6.807 },
@@ -214,7 +205,6 @@ export const EMDEN_BORKUM_DEMO_GRAPH: FairwayGraph = {
       name: "Borkum Reede Ansteuerung",
       from: "borkum-south-approach",
       to: "borkum-reede",
-      minDepthM: 5,
       coordinates: [
         { lat: 53.505, lon: 6.765 },
         { lat: 53.525, lon: 6.758 },
@@ -382,19 +372,7 @@ function buildFairwayRouteCandidate(
   const departureTimestamp = requestedDepartureTimestamp(request.departureTime);
   const durationMinutes = Math.round((distanceNm / speedKn) * 60);
   const eta = new Date(departureTimestamp + durationMinutes * 60 * 1000).toISOString();
-  const depthSamples = request.depthSamples ?? edgeDepthSamples(usedEdges);
-  const depthAssessment = assessFairwayDepthSamples(depthSamples, request.vesselProfile);
   const warnings: RouteWarning[] = [
-    {
-      code: "FAIRWAY_ROUTE",
-      severity: "info",
-      message: `Route über bekannten Fahrwasser-Graphen: ${routableGraph.name}.`
-    },
-    {
-      code: "FAIRWAY_DATA_NOT_OFFICIAL",
-      severity: "caution",
-      message: "Fahrwasser-Graph ist eine MVP-Planungshilfe und keine amtliche Navigationsgrundlage."
-    },
     ...(searchTruncated
       ? [
           {
@@ -406,8 +384,7 @@ function buildFairwayRouteCandidate(
           }
         ]
       : []),
-    ...routeSnapWarnings(routeSnaps),
-    ...depthAssessment.warnings
+    ...routeSnapWarnings(routeSnaps)
   ];
 
   const route: RouteResult = {
@@ -420,16 +397,9 @@ function buildFairwayRouteCandidate(
     departureTime: new Date(departureTimestamp).toISOString(),
     durationMinutes,
     warnings,
-    minKnownDepthM: depthAssessment.minKnownDepthM,
-    unknownDepthRatio: depthAssessment.unknownDepthRatio,
     dataSources: [
       `fairway-graph:${routableGraph.id}`,
-      ...uniqueSources(usedEdges),
-      request.depthSamples?.length
-        ? "submitted-depth-samples"
-        : usedEdges.some((edge) => edge.minDepthM === null)
-          ? "fairway-depth-unknown"
-          : "fairway-depth-estimates"
+      ...uniqueSources(usedEdges)
     ],
     routingMode: "fairway",
     routeSnaps
@@ -620,14 +590,10 @@ export function mergeFairwayGraphs(id: string, name: string, graphs: FairwayGrap
 }
 
 function filterRestrictedEdges(graph: FairwayGraph, request: RouteRequest): FairwayGraph {
-  const requiredDepthM = request.vesselProfile.draughtM + request.vesselProfile.safetyReserveM;
   return {
     ...graph,
     maxSnapDistanceNm: Math.min(graph.maxSnapDistanceNm, MAX_ROUTE_SNAP_DISTANCE_NM),
     edges: graph.edges.filter((edge) => {
-      if (edge.minDepthM !== null && edge.minDepthM < requiredDepthM) {
-        return false;
-      }
       if (edge.maxDraughtM != null && request.vesselProfile.draughtM > edge.maxDraughtM) {
         return false;
       }
@@ -1099,13 +1065,6 @@ function edgeLengthNm(edge: FairwayEdge) {
   return sumRouteDistanceNm(edge.coordinates);
 }
 
-function edgeDepthSamples(edges: FairwayEdge[]): DepthSample[] {
-  return edges.map((edge) => ({
-    coordinate: edge.coordinates[Math.floor(edge.coordinates.length / 2)]!,
-    depthM: edge.minDepthM
-  }));
-}
-
 function uniqueSources(edges: FairwayEdge[]) {
   const sources = new Set<string>();
   for (const edge of edges) {
@@ -1114,47 +1073,6 @@ function uniqueSources(edges: FairwayEdge[]) {
   return [...sources];
 }
 
-function assessFairwayDepthSamples(
-  samples: DepthSample[],
-  profile: VesselProfile
-): {
-  minKnownDepthM: number | null;
-  unknownDepthRatio: number;
-  warnings: RouteWarning[];
-} {
-  const known = samples.filter((sample) => typeof sample.depthM === "number");
-  const unknownDepthRatio = samples.length > 0 ? round((samples.length - known.length) / samples.length, 2) : 1;
-  const minKnownDepthM = known.length > 0 ? Math.min(...known.map((sample) => sample.depthM!)) : null;
-  const requiredDepthM = round(profile.draughtM + profile.safetyReserveM, 2);
-  const warnings: RouteWarning[] = [];
-
-  if (unknownDepthRatio > 0) {
-    warnings.push({
-      code: "DEPTH_PARTIAL",
-      severity: unknownDepthRatio > 0.5 ? "caution" : "info",
-      message: `${Math.round(unknownDepthRatio * 100)}% der Route haben keine Tiefenprobe.`
-    });
-  }
-
-  if (minKnownDepthM !== null && minKnownDepthM < requiredDepthM) {
-    warnings.push({
-      code: "DEPTH_TOO_SHALLOW",
-      severity: "critical",
-      message: `Minimale bekannte Tiefe ${round(minKnownDepthM, 1)} m unterschreitet erforderliche Tiefe ${requiredDepthM} m.`
-    });
-  }
-
-  if (known.length === 0) {
-    warnings.push({
-      code: "NO_KNOWN_DEPTH",
-      severity: "caution",
-      message: "Alle geprüften Tiefenpunkte sind unbekannt."
-    });
-  }
-
-  return { minKnownDepthM, unknownDepthRatio, warnings };
-}
-
 function appendCoordinate(points: Coordinate[], coordinate: Coordinate) {
   const previous = points.at(-1);
   if (previous && haversineDistanceNm(previous, coordinate) < 0.000001) {

packages/shared/src/inland-seed.ts

@@ -274,7 +274,6 @@ export const EMDEN_HAMM_GRAPH: FairwayGraph = {
       { lat: 52.622597, lon: 7.3071821 },
       { lat: 52.6170897, lon: 7.3077526 }
       ],
-      minDepthM: null,
       maxDraughtM: 2.5,
       source: "openstreetmap-geofabrik-curated-seed"
     },
@@ -454,7 +453,6 @@ export const EMDEN_HAMM_GRAPH: FairwayGraph = {
       { lat: 51.6572451, lon: 7.362679 },
       { lat: 51.6480728, lon: 7.3527065 }
       ],
-      minDepthM: null,
       maxDraughtM: 2.5,
       source: "openstreetmap-nominatim-curated-seed"
     },
@@ -511,7 +509,6 @@ export const EMDEN_HAMM_GRAPH: FairwayGraph = {
       { lat: 51.6792115, lon: 7.9600807 },
       { lat: 51.677629, lon: 7.9640468 }
       ],
-      minDepthM: null,
       maxDraughtM: 2.5,
       source: "openstreetmap-nominatim-curated-seed"
     }
@@ -537,7 +534,6 @@ export const EMDEN_EAST_EMS_GRAPH: FairwayGraph = {
       name: "Unterems östlich von Emden",
       from: "emden-east-start",
       to: "emden-east-destination",
-      minDepthM: null,
       source: "openstreetmap-geofabrik-curated-seed",
       coordinates: [
         { lat: 53.3422, lon: 7.1871 },

packages/shared/src/route.ts

@@ -6,11 +6,8 @@ import {
 } from "./fairway-routing.js";
 import { EMDEN_EAST_EMS_GRAPH, EMDEN_HAMM_GRAPH } from "./inland-seed.js";
 import type {
-  DepthSample,
   RouteRequest,
-  RouteResult,
-  RouteWarning,
-  VesselProfile
+  RouteResult
 } from "./types.js";
 
 const DEFAULT_CRUISE_SPEED_KN = 6;
@@ -41,66 +38,6 @@ export function buildRoute(
   );
 }
 
-export function requiredDepthM(profile: VesselProfile): number {
-  return round(profile.draughtM + profile.safetyReserveM, 2);
-}
-
-export function assessDepthSamples(
-  samples: DepthSample[] | undefined,
-  profile: VesselProfile
-): {
-  minKnownDepthM: number | null;
-  unknownDepthRatio: number;
-  warnings: RouteWarning[];
-} {
-  if (!samples || samples.length === 0) {
-    return {
-      minKnownDepthM: null,
-      unknownDepthRatio: 1,
-      warnings: [
-        {
-          code: "DEPTH_UNKNOWN",
-          severity: "caution",
-          message: "Keine belastbaren Tiefendaten entlang der Route vorhanden."
-        }
-      ]
-    };
-  }
-
-  const known = samples.filter((sample) => typeof sample.depthM === "number");
-  const unknownDepthRatio = round((samples.length - known.length) / samples.length, 2);
-  const minKnownDepthM =
-    known.length > 0 ? Math.min(...known.map((sample) => sample.depthM!)) : null;
-  const warnings: RouteWarning[] = [];
-  const required = requiredDepthM(profile);
-
-  if (unknownDepthRatio > 0) {
-    warnings.push({
-      code: "DEPTH_PARTIAL",
-      severity: unknownDepthRatio > 0.5 ? "caution" : "info",
-      message: `${Math.round(unknownDepthRatio * 100)}% der Route haben keine Tiefenprobe.`
-    });
-  }
-
-  if (minKnownDepthM !== null && minKnownDepthM < required) {
-    warnings.push({
-      code: "DEPTH_TOO_SHALLOW",
-      severity: "critical",
-      message: `Minimale bekannte Tiefe ${round(minKnownDepthM, 1)} m unterschreitet erforderliche Tiefe ${required} m.`
-    });
-  }
-
-  if (known.length === 0) {
-    warnings.push({
-      code: "NO_KNOWN_DEPTH",
-      severity: "caution",
-      message: "Alle geprüften Tiefenpunkte sind unbekannt."
-    });
-  }
-
-  return { minKnownDepthM, unknownDepthRatio, warnings };
-}
-
 export function buildManualRoute(request: RouteRequest): RouteResult {
   const points = [
     request.start,
@@ -116,8 +53,6 @@ export function buildManualRoute(request: RouteRequest): RouteResult {
   const departureTimestamp = Number.isFinite(parsedDeparture) ? parsedDeparture : Date.now();
   const durationMinutes = Math.round((distanceNm / speedKn) * 60);
   const eta = new Date(departureTimestamp + durationMinutes * 60 * 1000).toISOString();
-  const depthAssessment = assessDepthSamples(request.depthSamples, request.vesselProfile);
-
   return {
     geometry: {
       type: "LineString",
@@ -132,15 +67,9 @@ export function buildManualRoute(request: RouteRequest): RouteResult {
         code: "MANUAL_ROUTE",
         severity: "info",
         message: "MVP-Route nutzt direkte Wegpunktsegmente ohne automatische Fahrwasserlogik."
-      },
-      ...depthAssessment.warnings
-    ],
-    minKnownDepthM: depthAssessment.minKnownDepthM,
-    unknownDepthRatio: depthAssessment.unknownDepthRatio,
-    dataSources: [
-      "user-waypoints",
-      request.depthSamples?.length ? "submitted-depth-samples" : "depth-unavailable"
+      }
     ],
+    dataSources: ["user-waypoints"],
     routingMode: "manual"
   };
 }

packages/shared/src/types.ts

@@ -70,8 +70,6 @@ type RouteDetails = {
   departureTime?: string;
   durationMinutes?: number;
   warnings: RouteWarning[];
-  minKnownDepthM: number | null;
-  unknownDepthRatio: number;
   dataSources: string[];
   routingMode?: "manual" | "fairway";
   routeSnaps?: RouteSnaps;
@@ -128,18 +126,12 @@ export type TideSummary = {
   updatedAt: string;
 };
 
-export type DepthSample = {
-  coordinate: Coordinate;
-  depthM: number | null;
-};
-
 export type RouteRequest = {
   start: Coordinate;
   destination: Coordinate;
   waypoints?: Coordinate[];
   departureTime?: string;
   vesselProfile: VesselProfile;
-  depthSamples?: DepthSample[];
 };
 
 export type AppConfig = {

packages/shared/tests/route-guidance.test.ts

@@ -268,8 +268,6 @@ describe("route guidance", () => {
       distanceNm: 1,
       eta: null,
       warnings: [],
-      minKnownDepthM: null,
-      unknownDepthRatio: 1,
       dataSources: []
     };
 

packages/shared/tests/route.test.ts

@@ -6,7 +6,6 @@ import {
   buildRoute,
   FairwayRoutingSearchLimitError,
   haversineDistanceNm,
-  requiredDepthM,
   type FairwayEdge,
   type FairwayGraph
 } from "../src/index.js";
@@ -14,6 +13,14 @@ import {
 const EMDEN_AUSSENHAFEN = { lat: 53.344167, lon: 7.186111 };
 const BORKUM_REEDE = { lat: 53.563776, lon: 6.750562 };
 const HAMM_INNENSTADT_MARINA = { lat: 51.6814536, lon: 7.8042615 };
+const REMOVED_AUTOMATIC_ROUTE_WARNING_CODES = new Set([
+  "FAIRWAY_ROUTE",
+  "FAIRWAY_DATA_NOT_OFFICIAL",
+  "DEPTH_UNKNOWN",
+  "DEPTH_PARTIAL",
+  "NO_KNOWN_DEPTH",
+  "DEPTH_TOO_SHALLOW"
+]);
 
 const ALTERNATIVE_GRAPH: FairwayGraph = {
   id: "alternative-test",
@@ -92,7 +99,6 @@ function edge(
     from,
     to,
     coordinates,
-    minDepthM: 4,
     source: "synthetic-test",
     ...restrictions
   };
@@ -119,32 +125,17 @@ function singleEdgeGraph(restrictions: Partial<FairwayEdge>): FairwayGraph {
   };
 }
 
-describe("route assessment", () => {
-  it("marks routes with no depth data as unknown", () => {
+describe("route building", () => {
+  it("builds manual routes without synthesizing a depth status", () => {
     const result = buildManualRoute({
       start: { lat: 54.18, lon: 12.08 },
       destination: { lat: 54.32, lon: 12.22 },
       vesselProfile: { draughtM: 1.4, safetyReserveM: 0.5 }
     });
 
-    expect(result.unknownDepthRatio).toBe(1);
-    expect(result.warnings.some((warning) => warning.code === "DEPTH_UNKNOWN")).toBe(true);
-  });
-
-  it("flags known shallow samples as critical", () => {
-    const result = buildManualRoute({
-      start: { lat: 54.18, lon: 12.08 },
-      destination: { lat: 54.32, lon: 12.22 },
-      vesselProfile: { draughtM: 1.4, safetyReserveM: 0.5 },
-      depthSamples: [
-        { coordinate: { lat: 54.2, lon: 12.1 }, depthM: 1.6 },
-        { coordinate: { lat: 54.25, lon: 12.16 }, depthM: 2.4 }
-      ]
-    });
-
-    expect(requiredDepthM({ draughtM: 1.4, safetyReserveM: 0.5 })).toBe(1.9);
-    expect(result.minKnownDepthM).toBe(1.6);
-    expect(result.warnings.some((warning) => warning.severity === "critical")).toBe(true);
+    expect(result.warnings.map((warning) => warning.code)).toEqual(["MANUAL_ROUTE"]);
+    expect(result).not.toHaveProperty("minKnownDepthM");
+    expect(result).not.toHaveProperty("unknownDepthRatio");
   });
 
   it("routes Emden Außenhafen to Borkum Reede along the Ems fairway graph", () => {
@@ -175,8 +166,14 @@ describe("route assessment", () => {
 
     expect(result.routingMode).toBe("fairway");
     expect(result.dataSources).toContain("fairway-graph:ems-borkum-seed");
-    expect(result.warnings.some((warning) => warning.code === "FAIRWAY_ROUTE")).toBe(true);
     expect(result.warnings.some((warning) => warning.code === "MANUAL_ROUTE")).toBe(false);
+    expect(
+      result.warnings.some((warning) =>
+        REMOVED_AUTOMATIC_ROUTE_WARNING_CODES.has(warning.code)
+      )
+    ).toBe(false);
+    expect(result).not.toHaveProperty("minKnownDepthM");
+    expect(result).not.toHaveProperty("unknownDepthRatio");
     expect(coordinates.length).toBeGreaterThan(20);
     expect(result.distanceNm).toBeGreaterThan(directDistanceNm * 1.2);
     expect(largestSegmentNm).toBeLessThan(6);
@@ -606,7 +603,11 @@ describe("route assessment", () => {
     expect(result?.dataSources).toContain("fairway-graph:emden-hamm-inland-seed");
     expect(result?.dataSources).toContain("openstreetmap-geofabrik-curated-seed");
     expect(result?.dataSources).toContain("openstreetmap-nominatim-curated-seed");
-    expect(result?.warnings.some((warning) => warning.code === "FAIRWAY_DATA_NOT_OFFICIAL")).toBe(true);
+    expect(
+      result?.warnings.some((warning) =>
+        REMOVED_AUTOMATIC_ROUTE_WARNING_CODES.has(warning.code)
+      )
+    ).toBe(false);
   });
 
   it("uses the requested departure time as the basis for duration and ETA", () => {

scripts/build-local-fairways.py

@@ -37,7 +37,6 @@ KEPT_TAGS = {
     "access",
     "boat",
     "construction",
-    "depth",
     "disused",
     "maxdraft",
     "maxdraught",
@@ -45,7 +44,6 @@ KEPT_TAGS = {
     "maxheight:physical",
     "maxwidth",
     "maxwidth:physical",
-    "min_depth",
     "motor_vehicle",
     "motorboat",
     "name",
@@ -55,10 +53,7 @@ KEPT_TAGS = {
     "route",
     "seamark:bridge:clearance_height",
     "seamark:bridge:clearance_height_safe",
-    "seamark:fairway:minimum_depth",
     "seamark:lock:chamber_width",
-    "seamark:navigation_line:minimum_depth",
-    "seamark:recommended_track:minimum_depth",
     "seamark:restriction:max_draught",
     "seamark:type",
     "ship",

scripts/tests/test_build_local_fairways.py

@@ -68,7 +68,18 @@ class BuildLocalFairwaysTest(unittest.TestCase):
                     (3, 7.2, 53.2),
                 ],
                 [
-                    (100, 1, [1, 2], {"waterway": "canal", "name": "DE Kanal"}),
+                    (
+                        100,
+                        1,
+                        [1, 2],
+                        {
+                            "waterway": "canal",
+                            "name": "DE Kanal",
+                            "depth": "4",
+                            "seamark:fairway:minimum_depth": "3.5",
+                            "maxdraught": "2.5",
+                        },
+                    ),
                     (
                         200,
                         1,
@@ -143,6 +154,14 @@ class BuildLocalFairwaysTest(unittest.TestCase):
             self.assertEqual(shared_way["tags"]["name"], "Nieuwe lijn")
             self.assertEqual(len(shared_way["coordinates"]), 3)
 
+            canal_way = next(way for way in document["ways"] if way["id"] == "100")
+            self.assertEqual(canal_way["tags"]["maxdraught"], "2.5")
+            self.assertNotIn("depth", canal_way["tags"])
+            self.assertNotIn(
+                "seamark:fairway:minimum_depth",
+                canal_way["tags"],
+            )
+
             cross_border_way = next(
                 way for way in document["ways"] if way["id"] == "500"
             )