FQDL71 DWHA 231100 weatherreport for German coast issued by marine weather service hamburg 23.09.2026, 1100 UTC: general synoptic situation: A low 1009 Belarus fills, while another low 1004 Black Sea moves to northwestern Russia and deepens. A high 1029 southern Germany weakens. A low 1018 northern part of the North Sea moves to the southern Baltic Sea, where it will fill on Thursday afternoon. An associated cold front swings from England to Poland. A high 1030 southwest of Ireland moves to southwestern Germany. A ridge swings from Scotland to Norway. Forecast for Wednesday Coastal areas of German North Sea: East Frisian coast: wind: southwest about 4, shifting northwest, increasing 6 to 7. visibility/weather: thunderstorms with poor visibility. Elbe estuary: wind: southwest about 4, shifting northwest, increasing 6 to 7. visibility/weather: thunderstorms with poor visibility. Helgoland: wind: southwest about 4, shifting northwest, increasing 6 to 7. visibility/weather: thunderstorms with poor visibility. North Frisian coast: wind: southwest about 4, shifting northwest, increasing 6 to 7, gusts 10. visibility/weather: thunderstorms with poor visibility. Elbe from Hamburg to Cuxhaven: wind: light and variable winds, later westerly winds about 4, western part 6. visibility/weather: thunderstorms with poor visibility. German Baltic Sea: Flensburg to Fehmarn: wind: southwesterly winds about 3, increasing 5 to 6, shifting northwest later. visibility/weather: later thunderstorms with poor visibility. East of Fehmarn to Ruegen: wind: southwesterly winds about 3, increasing 4 to 5. visibility/weather: later thunderstorms with poor visibility. Boddengewaesser east and east of Ruegen: wind: west 3 to 4, shifting south. visibility/weather: later rain with poor visibility. Windforce in Beaufort, airpressure in Hektopascal