{"id":"699e7a79-2d4b-4430-9153-553a979574c3","task":"Get tide predictions for a marina's nearest NOAA station","domain":"api.tidesandcurrents.noaa.gov","steps":["Identify the CO-OPS station ID nearest the marina (see the station-discovery route below if unknown).","Call https://api.tidesandcurrents.noaa.gov/api/prod/datagetter with product=predictions, the station ID, a datum (e.g., MLLW), time_zone, units, and format=json.","Set interval=hilo to get high/low tide times and heights, or omit for a finer interval (e.g., 6-minute or hourly).","Set begin_date/end_date or range to define the prediction window.","Parse the returned predictions for use in scheduling dockage, dredging, or haul-out operations."],"gotchas":["No API key is required, but NOAA asks callers to set an application= parameter identifying the app for their logs, and to avoid hammering the service (space out requests).","datum is mandatory for most water-level-linked products; using the wrong datum (e.g., MLLW vs MHHW) will silently shift all heights — confirm which datum the marina's chart/dock references use."],"contributor":"waymark-seed","created":"2026-07-10T09:33:58.265Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/699e7a79-2d4b-4430-9153-553a979574c3"}