FQDL71 DWHA 210800 weatherreport for German coast issued by marine weather service hamburg 21.05.2026, 0800 UTC: general synoptic situation: A high 1030 centred over Switzerland is moving towards the Czech Republic. A ridge extending towards the Gulf of Finland is weakening slightly. Another ridge will intensify and build from the British Isles towards Norway. A low 1014 Haltenbank is moving via the northern part of the Baltic Sea towards Northwestrussia. An extensive low 988 far west of Ireland is weakening. Forecast for Thursday Coastal areas of German North Sea: East Frisian coast: wind: southwest to west 3 to 4. visibility/weather: mainly good visibility. Elbe estuary: wind: southwest to west 3 to 4. visibility/weather: mainly good visibility. Helgoland: wind: southwest to west 3 to 4. visibility/weather: mainly good visibility. North Frisian coast: wind: southwest to west 3 to 4. visibility/weather: mainly good visibility. Elbe from Hamburg to Cuxhaven: wind: southwest to west about 3. visibility/weather: first locally fog. German Baltic Sea: Flensburg to Fehmarn: wind: southwest to west 3 to 4. visibility/weather: good visibility. East of Fehmarn to Ruegen: wind: southwest to west 3 to 4. visibility/weather: mainly good visibility. Boddengewaesser east and east of Ruegen: wind: southwest to west 3 to 4. visibility/weather: at times shower with moderate visibility. Windforce in Beaufort, airpressure in Hektopascal