the baltic sea ice services

News and dates

Ice Information

BSIC

Welcome to the Baltic Sea Ice Services

01.04.20

Up to 75cm thick fast ice is present in the northern Bay of Bothnia. Outside the fast ice there is 20-60cm thick ridged, very close to compact ice in the northeast and 20-45cm thick open ice in the northwest. Further south, down to the northern Sea of Bothnia, there is up to 25cm thick ice in sheltered areas, mostly rotten.