A northeasterly, moderate and mostly variable flow prevails over the South of the basin. Over the North, it is northwesterly, moderate and mostly variable.
For Spiekeroog :
No gale warning.
The reliability of the situation is very good.
Clear periods developing. No precipitation. In the evening, skies with few clouds.
NNE wind force 4 from the middle of the day. Gusts reaching 24 knots. Slight sea. Low, short swell from NNW. Excellent visibility.