High 1033 hPa centered on the North of the North Sea remaining almost stationary.
For Sylt, List :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Clear skies. In the evening, clear skies.
NW force 3 in the middle of the day turning N in the evening. Gusts reaching 15 knots. Smooth sea. Low, short swell from NW. Excellent visibility.