A northerly, moderate and very variable flow prevails over the whole area.
For Spiekeroog :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Changeable skies clearing completely. No precipitation. In the evening, light cloudy spells.
NNE force 3 in the middle of the day becoming NE force 4 in the evening. Gusts reaching 21 knots in the evening. Smooth to slight sea. Low, short swell from NNW. Excellent visibility.