Welcome to the Baltic Sea Ice Service

04.03.2026

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. 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 10-40cm thick, very close ice in the north and east. In the Gulf of Riga 50cm thick fast ice is present in the northeast, at sea there is very open ice in the southwest, else 10-30cm thick very close ice. Elsewhere in the Baltic region ice is present at places at the coast, in sheltered places like the lagoons in the south and southeast there is also up to 50cm thick fast ice and very close ice.