FQDL71 DWHA 230800 weatherreport for German coast issued by marine weather service hamburg 23.09.2026, 0800 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: first light and variable winds, for a time southwest about 4, shifting northwest later and increasing 6 to 7. visibility/weather: later thunderstorms with poor visibility. Elbe estuary: wind: first light and variable winds, for a time southwest 3 to 4, shifting northwest later and increasing 6 to 7. visibility/weather: later thunderstorms with poor visibility. Helgoland: wind: first light and variable winds, for a time southwest about 4, shifting northwest later and increasing 6 to 7. visibility/weather: later thunderstorms with poor visibility. North Frisian coast: wind: first light and variable winds, for a time southwest about 4, shifting northwest later and increasing 6 to 7. visibility/weather: later thunderstorms with poor visibility. Elbe from Hamburg to Cuxhaven: wind: light and variable winds, later westerly winds about 4, western part 6. visibility/weather: first fog patches, later thunderstorms with poor visibility. German Baltic Sea: Flensburg to Fehmarn: wind: light and variable winds, later southwesterly winds about 5. visibility/weather: later rain with moderate visibility. East of Fehmarn to Ruegen: wind: light and variable winds, later southwesterly winds 4 to 5. visibility/weather: later rain with moderate visibility. Boddengewaesser east and east of Ruegen: wind: light and variable winds, later southwest to south 4. visibility/weather: later rain with moderate visibility. Windforce in Beaufort, airpressure in Hektopascal