FQDL70 DWHA 100000 weather and sea bulletin for north- and baltic sea issued by marine weather service hamburg 10.09.2026, 0000 UTC: general synoptic situation: A low 999 Central Sweden travels across the Northern Baltic Sea to east and fills later. An associated trough extending to the Kattegat moves across the southern portions of the Baltic Sea in the meantime. Afterwards a high 1022 western Bay of Biscay moves to southern Poland. A ridge pointing to Forties swings to the Stockholm area until early Friday. Simultaneously, a front of a low 978 Iceland arrives at the North Sea and travels eastbound. Forecast Thursday: German Bight: wind: northwest about 5, for a time decreasing 3 to 4, shifting southwest to south. visibility/weather: good visibility. sea: northeastern part first 2,5 meter. Southwestern North Sea: wind: light and variable winds, shifting southwest to south, increasing about 5. visibility/weather: locally shower or rain with moderate visibility. sea: humber later 2 meter. Fischer: wind: northwest 5 to 6, for a time decreasing 4, shifting south. visibility/weather: later rain or shower with moderate visibility. sea: eastern part first 3 meter. Skagerrak: wind: north to northwest 4 to 5, eastern part first locally 6, for a time light and variable winds, shifting southwest. visibility/weather: good visibility. sea: western part first 2 meter. Kattegat: wind: northwest about 5, decreasing 3 to 4, shifting slowly southwest. visibility/weather: first locally shower with moderate visibility. sea: at times 1,5 meter. Belts and Sound: wind: northwest to west about 5, decreasing 3 to 4, shifting southwest later. visibility/weather: good visibility. sea: first 1,5 meter. Western Baltic: wind: northwest 5 to 6 shifting slowly southwest and decreasing 3. visibility/weather: first locally shower with moderate visibility. sea: at times 1,5 meter. Southern Baltic: wind: west to northwest 5 to 6, decreasing slowly 4. visibility/weather: locally shower with moderate visibility. sea: eastern part for a time 2 meter. Southeastern Baltic: wind: southwest to west about 5, for a time about 6, shifting northwest later. visibility/weather: locally shower or thunderstorms with poor visibility. sea: increasing 3 meter. Forecast Friday: German Bight: wind: south to southwest about 5, shifting west to northwest 3 to 4. visibility/weather: at times rain or shower with moderate visibility. sea: at times 2 meter. Southwestern North Sea: wind: south to southwest about 5, shifting northwest 3 to 4, light and variable winds later. visibility/weather: at times rain or shower with moderate visibility. sea: at times 2 meter. Fischer: wind: south about 5, shifting west to northwest 3 to 4. visibility/weather: at times rain or shower with moderate visibility. sea: 1,5 meter. Skagerrak: wind: south to southwest 4 to 5, shifting west later. visibility/weather: for a time rain or shower with moderate visibility. sea: increasing 1,5 meter. Kattegat: wind: south to southwest about 4. visibility/weather: good visibility. sea: at times 1 meter. Belts and Sound: wind: south to southwest 3 to 4, shifting west later. visibility/weather: good visibility. sea: at times 0,5 meter. Western Baltic: wind: southwesterly winds 3 to 4. visibility/weather: good visibility. sea: later 0,5 meter. Southern Baltic: wind: northwest to west 3 to 4, shifting slowly south. visibility/weather: good visibility. sea: eastern part first 1,5 meter. Southeastern Baltic: wind: northwest about 5, shifting southwest 3 to 4. visibility/weather: first locally shower or thunderstorms with poor visibility. sea: eastern part first 3 meter.