For Sierksdorf :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fair weather with mostly clear skies. In the evening, clear skies.
NNW force 2 turning ENE in the middle of the day then NNE. Gusts reaching 12 knots until the middle of the day. Rippled sea. Low, short swell from NE. Good visibility becoming excellent in the middle of the day.