Pohjois-Itämeri aaltopoiju
Neptun covers Pohjois-Itämeri aaltopoiju (Finland) through the Finnish Meteorological Institute 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: Finnish Meteorological Institute · Position: 59.2482, 20.9983
Values at build time
| wave height | 0.4 m |
Snapshot taken at build time: 14.09.2026 09:00 UTC. Query the API for live values.
Request
curl -H "Authorization: Bearer mapi_YOUR_KEY" \
"https://neptun.marine-api.com/v1/levels?lat=59.2482&lon=20.9983&radius=5"