the baltic sea ice services

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Ice Information


Welcome to the Baltic Sea Ice Services


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.