For Kostersten :
No gale warning.
The reliability of the situation is good.
Cloud and sun in the morning, sunny in the afternoon. No precipitation. In the evening, fair weather with mostly clear skies.
SW force 3 in the morning turning S in the evening. Gusts reaching 19 knots in the middle of the day. Slight sea becoming moderate in the evening. Low, short swell from SW. Good visibility temporarily in the middle of the day.