NDBC 4403587
Neptun covers NDBC 4403587 (United States) through the NOAA NDBC network. One GET request returns its readings as JSON — in the same shape as every other network Neptun serves, so you write the parsing once.
Source: NOAA NDBC · Position: 46.5450, -84.7690
Values at build time
| wave height | 0.8 m |
| water temperature | 18.4 °C |
Snapshot taken at build time: 14.09.2026 09:20 UTC. Query the API for live values.
Request
curl -H "Authorization: Bearer mapi_YOUR_KEY" \
"https://neptun.marine-api.com/v1/levels?lat=46.5450&lon=-84.7690&radius=5"