Ostrzeżenia, Hällhamnsklippan

Yellow severe thunderstorm warning: Bay of Bothnia, Tue 0.00 - 3.00 Strong wind advisory: By night thunderstorm wind gusts. Possibly dangerous for recreational crafts and small boats.

Yellow severe thunderstorm warning: Locally on Gulf of Bothnia, Mon 19.00 - Tue 0.00 Strong wind advisory: In the evening thunderstorm wind gusts. Possibly dangerous for recreational crafts and small boats. Areas: Northern Bay of Bothnia, Northern Sea of Bothnia, Southern Bay of Bothnia, The Quark