By using this website and the sea-level map, you accept the following terms.
Informational use only
This sea-level map is an unofficial visualization for general information only. It is not affiliated with, endorsed by, or operated on behalf of any data provider listed below.
Values may be delayed, converted (e.g. cm, datum offsets), interpolated, or incomplete. Forecasts are model output, not measurements. Do not use this site for navigation, flood warning, port operations, or any safety-critical decision.
No warranty is given as to accuracy, completeness, or timeliness. Use at your own risk.
The map application, layout, and explanatory text on this website are © the site operator unless stated otherwise. Third-party data remains subject to the respective providers’ terms and licences.
Third-party data
Measurements and forecasts are provided by public authorities and open-data services (e.g. WSV Pegelonline, BSH, Rijkswaterstaat, SHOM/REFMAR, MVB, UK Environment Agency, DWD). Your use of that data is also subject to their respective terms and licences.
A full list with links is on theData sources & map attribution page.
Availability
The site and map may be unavailable, incomplete, or changed without notice. There is no entitlement to continuous operation or specific data coverage.