Hollersiel
Neptun covers Hollersiel (Germany) through the PEGELONLINE (WSV) 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: PEGELONLINE (WSV) · Position: 53.1681, 8.3785
Values at build time
| water level | 4.5 m |
Snapshot taken at build time: 14.09.2026 10:06 UTC. Query the API for live values.
Request
curl -H "Authorization: Bearer mapi_YOUR_KEY" \
"https://neptun.marine-api.com/v1/levels?lat=53.1681&lon=8.3785&radius=5"