A southerly, very strong and very variable flow prevails over the East of the basin. Over the West, a westerly gale is raging at sea.
For Sandhamn :
Warning moderate gale.
The reliability of the situation is very good.
Good clear periods but cloud building. Showers towards the end of the night. In the evening, very cloudy skies to overcast.
Light rain followed by showers. SSE wind force 7 from the middle of the day. Gusts reaching 49 knots in the middle of the day. Rough sea. Low, fairly long swell from ESE. Excellent visibility.