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Latest ice report
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Detailed ice chart
07.02.2025
In the Bay of Bothnia, there is 15–55 cm thick fast ice in the northern archipelagos. At sea in the north, there is very close, 10-40 cm thick and partly ridged or rafted ice. In the central Bay of Bothnia is open water and up to 15 cm thick drift ice of varying concentration along the coasts. In the southern archipela-gos, there is up to 30 cm thick fast ice. At sea, there is mostly new ice with close, up to 15 cm thick ice in the west. In the Quark, there is up to 35 cm thick fast ice in the inner archipelagos. At sea in the north and along the coasts, there is new ice and thin ice of varying concentration. Along the coast of the Sea of Bothnia there is mostly fast ice in the north and very open ice in the south. In the eastern Gulf of Finland, there is 10–30 cm thick ice to Kotlin and very close, up to 15 cm thick ice further west to the Bjerkesund. In the Vyborg Bay, there is up to 20 cm thick fast ice. Else, there is thin level ice and new ice at some shel-tered places along the northern coast of the Gulf of Finland, the Archipelago Sea, the Åland Sea as well as Lake Mälaren and Vänern.