Gulf of Finland, Northern Baltic, Sea of Åland and Sea of Archipelago:
Low over southern Scandinavia deepening and moving north. High over northern Scandinavia moving to Kola Peninsula.
Gulf of Finland:
Variable 1-5 m/s. Daytime south to east 3-7. At night from east increasing mainly east. At first locally mist or fog, locally thunder.
Northern Baltic, Sea of Åland and Sea of Archipelago:
Mainly east 2-5, daytime 3-7 m/s. In the evening veering to south. In the morning locally mist or fog, locally thunder.
Sea of Bothnia and Quark:
North to northeast wind 2-5, in the afternoon 4-7 m/s. Before midnight veering to southeast and increasing, after midnight 5-9. In the morning mist or fog, daytime better vis, locally showers or showers with thunder.
Bay of Bothnia:
South wind 1-5 m/s, in the afternoon variable. In the evening increasing mainly northeast, at night 4-7. After midnight veering to southeast. Mist or fog, in the evening better vis.
North wind 1-4 m/s. In the evening veering to mainly east and increasing, at night 3-7. At times mist.