Welcome to the Baltic Sea Ice Service

03.02.2026

In the Bay of Bothnia, there is up to 70 cm thick fast ice in the northern archipelagos and up to 30cm thick fast ice in the southern part. At sea there is 20-40cm thick, very close ice in the north. In the sea there is level ice or new ice outside the coasts and at sea there is 10-30cm thick, very close ice. The Quark is covered by thin ice and there is 15–40 cm thick fast ice in bays and in the archipelago. Along the coast of the Bothnian Sea, there is level ice and up to 35 cm thick fast ice in places, further out new ice. In the Gulf of Finland, there is 20–40 cm thick fast ice in the east and 5-35cm thick fast ice along the northern coast. At sea 10-20cm thick, very close ice drifts in the east, followed by close and level ice further west. At sea in the north new ice. In the south the sea west of 25°E is still ice free. The Gulf of Riga is covered by new ice and in the northeast there is also up to 30cm thick fast ice or very close ice. Elsewhere in the Baltic region, new ice drifts outside the coast in places and in sheltered places like the Bodden¬waters around Rügen and the lagoons in the south and southeast there is fast ice as well as very close ice, partly thicker than 25 cm. Ice is present in places along the North Sea coast.