FQDL70 DWHA 230000

 

weather and sea bulletin for north- and baltic sea

issued by marine weather service hamburg

23.09.2026, 0000 UTC:



general synoptic situation:

A low 1008 over eastern Belarus is moving towards the Baltic 

States. A high 1028 over Belgium is moving towards the Alpine 

region while weakening. An associated ridge towards Scandinavia 

moves to the White Sea, where it forms an independent high 1031. 

On Wednesday morning, a low 1019 forms over Forties and moves to 

Belts and Sound while deepening. At the same time, a high 1026 

moves eastwards to the British Isles. An extensive deep low 960 

reaches the position North 59 and West 24 by Wednesday evening.





Forecast Wednesday:

German Bight:

wind: first light and variable winds, for a time southwest about 

4, later increasing about 7 and shifting northwest, gusts 10.

visibility/weather: thunderstorms with poor visibility.

sea: later 3 meter.

Southwestern North Sea:

wind: south to southwest about 4, later shifting northwest to 

north and increasing about 6.

visibility/weather: for a time thunderstorms with poor 

visibility.

sea: increasing 3 meter.

Fischer:

wind: first light and variable winds, for a time southwest about 

4, later northwest 7 to 8 with gusts 11.

visibility/weather: shower with very poor visibility.

sea: later 4 meter.

Skagerrak:

wind: southwest about 3, shifting south, later locally 5.

visibility/weather: first fog patches, later shower with poor 

visibility.

sea: increasing 1 meter.

Kattegat:

wind: southwest 3, shifting south, increasing about 4.

visibility/weather: first fog patches, later rain with moderate 

visibility.

sea: later 0,5 meter.

Belts and Sound:

wind: light and variable winds, later southerly winds 4.

visibility/weather: first fog patches, later rain with moderate 

visibility.

sea: below 0,5 meter.

Western Baltic:

wind: light and variable winds, shifting southwest, increasing 

about 5.

visibility/weather: first fog patches, later rain with moderate 

visibility.

sea: later 1 meter.

Southern Baltic:

wind: north about 3, shifting slowly southwest.

visibility/weather: later rain with moderate visibility.

sea: eastern part first 1 meter.

Southeastern Baltic:

wind: north 4 to 5, shifting slowly northwest, western part 

abating.

visibility/weather: good visibility.

sea: first 2 meter.



Forecast Thursday:

German Bight:

wind: north to northwest about 7, gusts 10, decreasing 4, 

shifting west later.

visibility/weather: first thunderstorms with poor visibility.

sea: 4 meter, later 1,5 meter.

Southwestern North Sea:

wind: first north about 6, for a time abating, later south to 

southwest about 4.

visibility/weather: in the night coastal fog patches.

sea: first 3 meter.

Fischer:

wind: north to northwest 7 to 8, gusts 11, decreasing 4, shifting

west later.

visibility/weather: eastern part first shower with poor 

visibility.

sea: 5 meter, later 1,5 meter.

Skagerrak:

wind: first southerly winds about 4, otherwise light and variable

winds.

visibility/weather: first shower with poor visibility, later fog 

patches.

sea: western part for a time 2 meter.

Kattegat:

wind: first southerly winds about 4, otherwise light and variable

winds.

visibility/weather: at times shower with poor visibility, later 

fog patches.

sea: at times 0,5 meter.

Belts and Sound:

wind: southwesterly winds about 4, shifting fast northwest, later

abating.

visibility/weather: first rain with poor visibility, later fog 

patches.

sea: 0,5 meter.

Western Baltic:

wind: southwest about 5, shifting fast northwest.

visibility/weather: first rain with moderate visibility, later 

fog patches.

sea: 1 meter.

Southern Baltic:

wind: light and variable winds, later northwest about 4.

visibility/weather: first rain with moderate visibility, later 

coastal fog patches.

sea: 1 meter.

Southeastern Baltic:

wind: westerly winds about 3, increasing about 4.

visibility/weather: good visibility.

sea: 1,5 meter.