The forecasts published on the DoRIS-Website by viadonau are directed primarily to the shipping industry and are calibrated to low water. Therefore, forecasts of viadonau are displayed only if they are below of the average water level of 2010.

For forecasts above the average water level, especially in the case of flooding, please go directly to the corresponding website of the respective state government:

Hydrographic service of Lower Austria
Hydrographic service of Upper Austria