Welcome to the Baltic Sea Ice Service

27.02.2026

In the Bay of Bothnia, there fast ice along the coasts, up to 80 cm thick in the north and up to 45cm thick in the south. At sea there is very close ice, 20-50cm thick in the north and 10-40cm thick in the south. The Quark is covered by very close ice and at the coast there is up to 50 cm thick fast ice. Along the coast of the Bothnian Sea, there is level ice and up to 45 cm thick fast ice, further out open water. In the Gulf of Finland, there is up to 50m cm thick fast ice at the costs in the east and north. At sea there is 20-40cm thick, very close ice in the east thinning out towards the west. In the Gulf of Riga 50cm thick fast ice is present in the northeast and at sea there is mostly 5-25cm thick very close ice in the north and very open ice in the south. Elsewhere in the Baltic region, open water or new ice is present at the coast at places and in sheltered places like the Bodden¬waters around Rügen and the lagoons in the south and southeast there is also up to 50cm thick fast ice and very close ice. An area with close ice is drifting in the Pomeranian Bay.