For Vannholmen, Tjoern :
No gale warning.
The reliability of the situation is very good.
Lots of good clear periods. No precipitation. In the evening, light cloudy spells.
WNW wind force 5 from the middle of the day. Gusts reaching 31 knots in the middle of the day. Slight sea. Low, short swell from WSW then from N in the evening. Excellent visibility.