A northerly and very variable flow prevails over the whole area.
For Kampen, Sylt :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
In the evening, clear skies.
N wind force 3. Gusts reaching 17 knots in the evening. Smooth to slight sea. Low, short swell from NW. Excellent visibility.