FQDL70 DWHA 212000

 

weather and sea bulletin for north- and baltic sea

issued by marine weather service hamburg

21.05.2026, 2000 UTC:



general synoptic situation:

A high 1028 is shifting its center northeastward from southern 

Germany, intensifying slightly. A ridge extending toward the Gulf

of Finland is shifting southward and weakening. Another ridge 

over the North Sea is expanding toward northern Norway, with 

temporary intensification. A low 1015 in northern Sweden is 

moving across the northern part of the Baltic Sea toward 

northwestern Russia. An extensive low 991 far west of Ireland is 

weakening.





Forecast Thursday:

German Bight:

wind: southwest 3 to 4.

visibility/weather: mainly good visibility.

sea: 1 meter.

Southwestern North Sea:

wind: southwest 3 to 4, shifting slowly south.

visibility/weather: mainly good visibility.

sea: first 1 meter.

Fischer:

wind: southwesterly winds 3 to 4, first locally 5.

visibility/weather: at times rain with moderate visibility.

sea: 1 meter.

Skagerrak:

wind: southwest about 5.

visibility/weather: locally shower with partly poor visibility, 

isolated thunderstorms.

sea: for a time 2 meter.

Kattegat:

wind: southwest to west 3 to 4, northern part locally 5.

visibility/weather: locally shower and thunderstorms with partly 

poor visibility.

sea: northern part increasing 1 meter.

Belts and Sound:

wind: southwest to west 3 to 4.

visibility/weather: at times shower and thunderstorms with partly

poor visibility.

sea: 0,5 meter.

Western Baltic:

wind: southwest to west 3 to 4.

visibility/weather: at times shower with moderate visibility, 

isolated thunderstorms.

sea: 0,5 meter.

Southern Baltic:

wind: southwest to west 3 to 4, locally 5.

visibility/weather: locally shower with poor visibility, isolated

thunderstorms, in some areas fog.

sea: 0,5 meter.

Southeastern Baltic:

wind: southwest to west 3 to 4.

visibility/weather: in some areas fog.

sea: 0,5 meter.



Forecast Friday:

German Bight:

wind: southwest about 3, slowly shifting south to southeast, 

later locally 5.

visibility/weather: first fog patches.

sea: northwestern part increasing 1 meter.

Southwestern North Sea:

wind: southerly winds about 3, thames increasing 4 to 5.

visibility/weather: good visibility.

sea: humber increasing 1 meter.

Fischer:

wind: southwest about 3, shifting slowly south, western part 

later locally 5.

visibility/weather: moderate visibility, fog patches.

sea: at times 1 meter.

Skagerrak:

wind: southwest 4 to 5.

visibility/weather: fog patches.

sea: 1,5 meter.

Kattegat:

wind: west to southwest 4 to 5, decreasing 3.

visibility/weather: at times coastal fog patches.

sea: northern part first 1 meter.

Belts and Sound:

wind: west to southwest 3 to 4, light and variable winds later.

visibility/weather: at times coastal fog patches.

sea: below 0,5 meter.

Western Baltic:

wind: west to southwest 3 to 4, light and variable winds later.

visibility/weather: in the night fog patches.

sea: below 0,5 meter.

Southern Baltic:

wind: southwest to west 3 to 4, locally 5.

visibility/weather: at times fog patches.

sea: 0,5 meter.

Southeastern Baltic:

wind: southwest to west 3 to 4, for a time locally 5.

visibility/weather: at times fog patches.

sea: 0,5 meter.