FQDL71 DWHA 180500 weatherreport for German coast issued by marine weather service hamburg 18.03.2026, 0500 UTC: general synoptic situation: A high 1030 over the southeastern part of the Baltic Sea will later weaken on its way towards northern Poland. On Thursday, it will connect with another high 1030, which is moving from the Atlantic towards the British Isles. An extensive and complex deep low 975 over the central part of the Norwegian Sea is moving towards the sea area south of Spitsbergen. A weak cold front is slowly tracking in from the northwest towards northern Germany and Poland. Forecast for Wednesday Coastal areas of German North Sea: East Frisian coast: wind: southeast to south 4, light and variable winds later. visibility/weather: good visibility. Elbe estuary: wind: southeast to south 4, light and variable winds later. visibility/weather: good visibility. Helgoland: wind: south to southeast 4, light and variable winds later. visibility/weather: good visibility. North Frisian coast: wind: southeast to south 4 to 5, abating. visibility/weather: good visibility. Elbe from Hamburg to Cuxhaven: wind: southeast to south 3 to 4, light and variable winds later. visibility/weather: good visibility. German Baltic Sea: Flensburg to Fehmarn: wind: southeast to south 3 to 4, light and variable winds later. visibility/weather: good visibility. East of Fehmarn to Ruegen: wind: southeast to south 3 to 4, light and variable winds later. visibility/weather: good visibility. Boddengewaesser east and east of Ruegen: wind: first southeast to south 3 to 4, otherwise light and variable winds. visibility/weather: good visibility. Windforce in Beaufort, airpressure in Hektopascal