An easterly and mostly variable flow prevails over the South-West of the basin. Over the North and the East, it is westerly, moderate and mostly variable. For Grevelingendam : No gale warning.
The reliability of the situation is very good.
Relatively cloudless skies clearing. In the evening, clear skies. NW force 4 in the middle of the day becoming NNW force 3 in the evening. Gusts reaching 21 knots in the middle of the day. Excellent visibility.