Cross-Regional Flood Portal Germany

A joint project from the flood watch centers of all the federal states of Germany to collect and exchange up to date information on high-tides and flood warning. Every federal state provides continuously updated information on high-tide levels and current flood levels (if applicable). Website also provides links to all state flood portals and portals from bordering countries. 

Portal site
http://www.hochwasserzentralen.de/info.htm