For Kampen, Sylt :
No gale warning.
We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.
Very cloudy skies to overcast. No precipitation. In the evening, very cloudy skies to overcast.
No precipitation. SW wind force 4 from the middle of the day. Gusts reaching 27 knots in the middle of the day. Slight sea. Low, fairly long swell from W. Excellent visibility.