Water temperature of the North Sea in march Where to swim in the North Sea in march 2025?

Several countries border the seaside of the North Sea, including: Germany, England, Belgium, Denmark, Scotland, North of France, Norway, Netherlands and Sweden. We measure the water temperature daily in these countries and archive it in order to calculate monthly averages, like those of the month of march.

The seasonal average for the water temperature in the month of march is between 37°F and 47°F. The lowest sea temperature measured this month is 33°F and the highest is 50°F.

The sea temperature map of the North Sea in march

The map below presents a monthly average of the water temperature of the North Sea for the month of march for several coastal cities. You can zoom and move around on the map. By clicking on the markers, you can see sea temperature details by city in march.

ideal swimming pleasant swimming cool swimming cold swimming freezing swimming

Where can you swim in the North Sea in march?

Below, see the average temperatures measured in march in the different countries on the shores of the North Sea.

Germany

Sea temperature in march at the shore of the North Sea:

39°F to 42°F

freezing swimming

England

Sea temperature in march at the shore of the North Sea:

44°F to 46°F

freezing swimming

Belgium

Sea temperature in march at the shore of the North Sea:

45°F to 45°F

freezing swimming

Denmark

Sea temperature in march at the shore of the North Sea:

38°F to 41°F

freezing swimming

Scotland

Sea temperature in march at the shore of the North Sea:

44°F to 47°F

freezing swimming

North of France

Sea temperature in march at the shore of the North Sea:

45°F to 47°F

freezing swimming

Norway

Sea temperature in march at the shore of the North Sea:

37°F to 41°F

freezing swimming

Netherlands

Sea temperature in march at the shore of the North Sea:

41°F to 46°F

freezing swimming

Sweden

Sea temperature in march at the shore of the North Sea:

37°F to 38°F

freezing swimming

Water temperature of the North Sea: choose another month

See monthly seasonal averages of the water temperature of the North Sea by clicking on the links below:

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