Advarsler, Hällgrundet

Yellow wind warning for sea area: Sea of Åland and Sea of Archipelago, Sun 8.00 - 18.00 Wind warning for sea areas: West to northwest near gale 14 m/s at noon and in the afternoon. Possibly dangerous for recreational crafts and small boats.

Yellow wave height warning: Sea of Åland and Northern Bay of Bothnia, Sun 9.00 - 18.00 Wave height warning: Rough waves occur at noon and in the afternoon. Significant wave height exceeds 2.5 meters. Possibly dangerous for recreational crafts and small boats.