Welcome to the Baltic Sea Ice Service

13.03.2026

In the Bay of Bothnia, there fast ice along the coasts, up to 80 cm thick in the north and up to 45 cm thick in the south. At sea, there is very close ice, 20–50 cm thick in the north and 10–50 cm thick in the south. In the Quark there is very close ice at sea and at the coasts there is up to 50 cm thick fast ice. Along the coasts of the Bothnian Sea, there is up to 55 cm thick fast ice. In the Gulf of Finland, there is up to 50 cm thick fast ice at the coasts. At sea there is 10–40 cm thick, very close ice in the east. In the Gulf of Riga, 50 cm thick fast ice is present in the northeast. At sea, there is open water in the southwest and 10–30 cm thick, very close ice in the northeast. Elsewhere in the Baltic region ice is present at places at the coast, in sheltered places like the lagoons in the southeast there is also up to 50 cm thick melting fast or very close ice.