FQDL70 DWHA 170000 weather and sea bulletin for north- and baltic sea issued by marine weather service hamburg 17.09.2026, 0000 UTC: general synoptic situation: A high 1018 southeastern Europe, with a ridge extending to the Moscow area, is moving eastwards. A low 988 over northern Sweden is moving to the Barents Sea. A trough extending to Poland is shifting eastwards. A ridge of the Azores High over the northern part of the North Sea is weakening. Another ridge, extending towards the Alps, is building eastwards. A low 978 near Iceland is moving towards the Shetland Islands while weakening. An trough is moving across the North Sea towards the western part of the Baltic Sea. Forecast Thursday: German Bight: wind: west to southwest 4 to 5, for a time increasing 6, southern part locally 7. visibility/weather: locally shower with poor visibility. sea: 2,5 meter. Southwestern North Sea: wind: west to southwest about 5, locally 7. visibility/weather: locally thunderstorms with poor visibility. sea: for a time 2,5 meter. Fischer: wind: west to southwest about 5. visibility/weather: for a time shower with poor visibility. sea: at times 2,5 meter. Skagerrak: wind: west about 6, decreasing 4 to 5, shifting southwest to south. visibility/weather: locally shower with poor visibility. sea: first 3 meter. Kattegat: wind: west about 5, shifting southwest to south. visibility/weather: shower with moderate visibility. sea: northern part first 2,5 meter. Belts and Sound: wind: west about 5, shifting southwest to south. visibility/weather: later shower with poor visibility. sea: at times 1,5 meter. Western Baltic: wind: west about 5, shifting southwest to south. visibility/weather: later shower with poor visibility. sea: 1,5 meter. Southern Baltic: wind: west about 5, shifting southwest to south. visibility/weather: later shower with moderate visibility. sea: eastern part for a time 2 meter. Southeastern Baltic: wind: west about 5, shifting southwest later. visibility/weather: locally shower with moderate visibility. sea: increasing 2 meter. Forecast Friday: German Bight: wind: west to southwest 5 to 6, locally 7. visibility/weather: locally shower with poor visibility. sea: western part at times 3 meter. Southwestern North Sea: wind: west 5 to 6, shifting southwest, later locally 7. visibility/weather: locally shower with moderate visibility. sea: at times 2,5 meter. Fischer: wind: west 5 to 6, shifting southwest. visibility/weather: locally thunderstorms with poor visibility. sea: at times 3 meter. Skagerrak: wind: southwest 5, for a time increasing 6. visibility/weather: locally shower with moderate visibility. sea: increasing 2,5 meter. Kattegat: wind: southwest about 5. visibility/weather: locally shower with moderate visibility. sea: northern part later 2 meter. Belts and Sound: wind: southwest 4 to 5, locally 6, for a time shifting west. visibility/weather: locally shower with moderate visibility. sea: eastern part 1,5 meter. Western Baltic: wind: southwest about 5, for a time shifting west. visibility/weather: first shower with moderate visibility. sea: 1,5 meter. Southern Baltic: wind: southwest to west about 5. visibility/weather: first shower with poor visibility. sea: eastern part at times 2 meter. Southeastern Baltic: wind: southwesterly winds 5 to 6. visibility/weather: locally shower with poor visibility. sea: 2 meter.