FQDL71 DWHA 170800 weatherreport for German coast issued by marine weather service hamburg 17.09.2026, 0800 UTC: general synoptic situation: A low 987 over northern Sweden moves to the Barents Sea. A trough extending to eastern Poland moves eastwards. A ridge of the Azores High 1032, extending to the Alps, hardly changes. A deep low 976 south of Iceland moves towards Haltenbank while weakening. An associated trough will swing across the North Sea on Thursday and across the Baltic Sea on Friday. Forecast for Thursday Coastal areas of German North Sea: East Frisian coast: wind: west to southwest 4 to 5, for a time increasing 6, locally 7. visibility/weather: locally shower with poor visibility. Elbe estuary: wind: west to southwest 4 to 5, for a time increasing 6, locally 7. visibility/weather: locally shower with poor visibility. Helgoland: wind: west to southwest 5, for a time increasing 6 to 7. visibility/weather: locally shower with poor visibility. North Frisian coast: wind: west to southwest 5, for a time increasing 6 to 7. visibility/weather: locally shower with poor visibility. Elbe from Hamburg to Cuxhaven: wind: southwesterly winds about 4. visibility/weather: locally shower with poor visibility. German Baltic Sea: Flensburg to Fehmarn: wind: west about 5, shifting southwest to south. visibility/weather: later shower with poor visibility. East of Fehmarn to Ruegen: wind: west about 5, shifting southwest. visibility/weather: later shower with poor visibility. Boddengewaesser east and east of Ruegen: wind: west 4 to 5, shifting southwest to south. visibility/weather: later shower with moderate visibility. Windforce in Beaufort, airpressure in Hektopascal