Region of weak low from middle parts of Sweden to southeast Finland filling up gradually.
Gulf of Finland:
Mainly west 2-6 m/s. In the evening from west becoming southeast, after midnight 4-8. Mostly good vis.
Northern Baltic, Sea of Åland and Sea of Archipelago:
At first south to southwest 2-6 m/s. In the afternoon south to southeast 4-8, on Sea of Åland up to 10. At night southeast 6-10. Mostly good vis, at night from south showers.
Sea of Bothnia:
Mainly south 4-8 m/s, on the southern part from the evening up to 10. At night local mist or fog.
Quark and Bay of Bothnia:
South to southeast 3-7 m/s. In the afternoon slightly decreasing, in the evening variable 1-5. After midnight becoming southeast. Mostly good vis.
Variable 1-5 m/s. Showers and local mist or fog.