Welcome to the Baltic Sea Ice Service

19.01.2026

In the Bay of Bothnia, there is up to 50 cm thick fast ice in the northern archipelagos followed by 10-20cm thick, rafted, very close ice. There is a brash ice barrier at the ice edge in the northeast. In the southern Bay of Bothnia, there is up to 30 cm thick fast ice or level ice along the coast, and further out in the west there is 3-15cm thick close ice. In the Quark, there is 10 – 25 cm thick level ice or fast ice in the archipelago and in the west very close ice until Holmögadd. In the Bothnian Sea, there is level ice and new ice along the coast. In the Gulf of Finland, there is 10-20cm thick fast ice in the easternmost part and level ice and new ice slightly further west. Elsewhere along the coast is mostly level ice or new ice. In the northeastern Gulf of Riga there is up to 15cm thick ice at the coasts. Else in the Baltic region, there is new ice in sheltered places along the coast as well as very close ice, thicker than 15 cm in the Boddenwaters around Rügen and the lagoons in the south and southeast.