A westerly, strong and very variable flow prevails over the whole area.
For Spiekeroog :
No gale warning.
We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.
In the evening, good clear periods but cloud building.
Risk of showers in the early hours. W wind force 4. Gusts reaching 19 knots in the evening. Slight sea. Low, short swell from NW. Excellent visibility.