FQDL70 DWHA 210300 weather and sea bulletin for north- and baltic sea issued by marine weather service hamburg 21.10.2026, 0300 UTC: general synoptic situation: An extensive high 1041 western Russia sligtly moves eastward. A ridge initially extends to southern Norway weakens. The trough of a low 984 Irminger Sea extends towards the British Isles, and a secondary low 995 Ireland moves to the Froties while deepening slightly, fronts will reach the southern Baltic Sea on Thursday morning. The ridge of a high 1030 Azores will extend towards the Alps until Thursday morning. Forecast Wednesday: German Bight: wind: southeast 5 to 6, shifting south to southwest, southwestern part later increasing 7. visibility/weather: rain with partly poor visibility. sea: southwestern part increasing 4 meter. Southwestern North Sea: wind: humber first southeast about 5, otherwise southwesterly winds, increasing 7 to 8. visibility/weather: shower with poor visibility. sea: increasing 5 meter. Fischer: wind: southeasterly winds 5 to 6, locally 7. visibility/weather: rain with moderate visibility. sea: northwestern part first 4 meter. Skagerrak: wind: northeast to east about 6, shifting southeast and decreasing 4 to 5. visibility/weather: rain with partly poor visibility. sea: first 2,5 meter. Kattegat: wind: east 4 to 5, first locally 6, shifting southeast to south. visibility/weather: rain with partly poor visibility. sea: first 1,5 meter. Belts and Sound: wind: southeasterly winds 4 to 5, shifting southwest later. visibility/weather: rain with partly poor visibility. sea: first 1 meter. Western Baltic: wind: south to southeast about 4, shifting southwest later. visibility/weather: rain with partly poor visibility. sea: first 1 meter. Southern Baltic: wind: southeast to south 4 to 5, first locally 6. visibility/weather: first rain with poor visibility. sea: eastern part first 2 meter. Southeastern Baltic: wind: southeast 5 to 6. visibility/weather: locally misty. sea: 2,5 meter. Forecast Thursday: German Bight: wind: south to southwest 6 to 7, for a time shifting west, decreasing 4. visibility/weather: for a time shower or thunderstorms with poor visibility. sea: southwestern part first 5 meter. Southwestern North Sea: wind: westerly winds about 7, for a time decreasing 4, shifting south later and increasing 6. visibility/weather: locally shower or thunderstorms with poor visibility. sea: humber first 5 meter. Fischer: wind: south to southeast 5 to 6, increasing fast 7, for a time shifting west to southwest, later abating. visibility/weather: shower with moderate visibility. sea: for a time 4 meter. Skagerrak: wind: southeast about 5, shifting southwest to west, later decreasing 3 to 4. visibility/weather: first rain with poor visibility. sea: western part for a time 2,5 meter. Kattegat: wind: south to southeast 4 to 5, for a time locally 6, shifting southwest, later abating. visibility/weather: first rain with poor visibility. sea: 1 meter. Belts and Sound: wind: southwesterly winds about 4, for a time increasing 5 to 6. visibility/weather: first rain with poor visibility. sea: for a time 1,5 meter. Western Baltic: wind: southwest about 4, for a time increasing 5 to 6. visibility/weather: first rain with poor visibility. sea: for a time 1,5 meter. Southern Baltic: wind: south to southeast about 4, locally 6, fast shifting southwest to west. visibility/weather: rain with partly poor visibility. sea: 1,5 meter. Southeastern Baltic: wind: southeast about 5, veering slowly at west to northwest. visibility/weather: later rain with poor visibility. sea: for a time 3 meter.