Avertizari vremea, Hällgrundet

Yellow wind warning for sea area: Locally on all sea areas, Sun 0.00 - 15.00 Wind warning for sea areas: From the night between Saturday and Sunday to Sunday noon, probability for north gale-force winds is 30%. Possibly dangerous for recreational crafts and small boats. Areas: Northern Sea of Bothnia, Sea of Åland, Southern Sea of Bothnia, The Quark, Western part of Northern Baltic

Yellow wave height warning: Sea of Åland and locally on Gulf of Bothnia, Sun 0.00 - Mon 0.00 Wave height warning: From the night between Saturday and Sunday to the night between Sunday and Monday, probability for rough waves is 30%. The significant wave height may exceed 2.5 meters. Possibly dangerous for recreational crafts and small boats. Areas: Sea of Åland, Southern Bay of Bothnia, The Quark