Welcome to the Baltic Sea Ice Service

23.04.2024

In the Bay of Bothnia there is fast ice in the archipelagos, up to 80 cm thick in the north and up to 50 cm thick and rotting in the south. At sea in the western part there is 20–70 cm thick, very close, ridged ice. In the southwestern part is close to very close, 15–60 cm thick drift ice. Along the Finnish coast is a wide open water lead with thicker drifting floes at places. In the Quark there is rotten fast ice at the coasts and at sea there is open water and open to close ice. At the coasts of the Sea of Bothnia there is rotten ice in places.