A southwesterly, strong and mostly variable flow prevails over the whole area.
For Spiekeroog :
No gale warning.
We are 85% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will begin.
In the evening, good clear periods but cloud building.
Light showers. S wind force 4. Gusts reaching 18 knots in the evening. Smooth to slight sea. Low, short swell from WNW. Excellent visibility.