FQDL70 DWHA 170300 weather and sea bulletin for north- and baltic sea issued by marine weather service hamburg 17.09.2026, 0300 UTC: general synoptic situation: A low 988 over northern Sweden is moving to the Barents Sea. A trough extending to eastern 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 deep low 976 south of Iceland is moving towards the Haltenbank while weakening. An associated 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.