Welcome to the Baltic Sea Ice Service

06.02.2026

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, further south there is level ice outside the coasts and 10-30cm thick, very close ice at sea. The Quark is mostly covered by close to very close ice and at the coast there is 15–40 cm thick fast ice. Along the coast of the Bothnian Sea, there is level ice and up to 35 cm thick fast ice, further out new ice. In the Gulf of Finland, there is 20–40 cm thick fast ice in the east and 10-35cm thick fast ice along the northern coast. East of about 25°E the sea is covered by close to very close, 5-25cm thick ice in the south and level ice in the north. The Gulf of Riga is covered by new ice and in the northeast, there is 15-40cm 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 30 cm. Ice is present in places along the North Sea coast.