Hydro-Online
HydroOnline provides a wide range of hydrological data and information, bridge clearance heights and wind data from the area of the Port of Hamburg and the German Bight.

Always up-to-date with hydrological data, bridge clearance heights and wind data
The Department on Management of Hydrologic Assets of the HPA operates and maintains a modern operational water level, current and wind measurement network in the area from German North Sea to the area Port of Hamburg. The hydrological and meteorological data is archived electronically by the HPA and made available to a wide range of users via an interface directly from the database system or via the website https://hydroonline.hpanet.de/ for a variety of purposes.
Some of the available information is made available on the website both for download and in various display formats:
- Water levels and forecasts
- Current bridge clearance heights
- Wind
- Current
- Storm surge report
More information about Hydro-Online: https://hydroonline.hpanet.de/details/information