A southeasterly, strong and very variable flow prevails over the West of the basin. Over the East, it is northwesterly, moderate and very variable.
For Sylt, Munkmarsch :
No gale warning.
The reliability of the situation is assessed at 90%.
Fair weather with mostly clear skies. In the evening, clear skies.
NNE force 2 turning S in the middle of the day then SE force 3. Gusts reaching 13 knots in the evening. Smooth sea. Low, fairly long swell from WNW. Excellent visibility.