FQDL71 DWHA 201100 weatherreport for German coast issued by marine weather service hamburg 20.08.2026, 1100 UTC: general synoptic situation: A low 997 north of Gotland moves towards the Gulf of Finland, where it will dissipate by Friday morning. Another low over England moves toward the Oslo Fjord. A high 1028 south of the Irminger Sea remains almost stationary. A broad ridge extending the northern part of the Norwegian Sea slightly shifts southwards. Forecast for Thursday Coastal areas of German North Sea: East Frisian coast: wind: southwesterly winds 4 to 5. visibility/weather: thunderstorms with poor visibility. Elbe estuary: wind: southwesterly winds 4 to 5. visibility/weather: thunderstorms with poor visibility. Helgoland: wind: southwesterly winds 4 to 5. visibility/weather: thunderstorms with poor visibility. North Frisian coast: wind: southwesterly winds 4 to 5. visibility/weather: thunderstorms with poor visibility. Elbe from Hamburg to Cuxhaven: wind: southwesterly winds 3 to 4, cuxhaven at times 5. visibility/weather: thunderstorms with poor visibility. German Baltic Sea: Flensburg to Fehmarn: wind: southwesterly winds about 3, increasing 4 to 5. visibility/weather: thunderstorms with poor visibility. East of Fehmarn to Ruegen: wind: southwesterly winds about 3, increasing 4 to 5. visibility/weather: thunderstorms with poor visibility. Boddengewaesser east and east of Ruegen: wind: west to southwest 3 to 4, locally 5, for a time light and variable winds. visibility/weather: thunderstorms with poor visibility. Windforce in Beaufort, airpressure in Hektopascal