A southwesterly, moderate and very variable flow prevails over the North and the East of the basin. Over the South-West, it is northwesterly, moderate and very variable.
For Katwijk aan Zee :
Warning strong breeze offshore.
The reliability of the situation is assessed at 85%.
In the evening, cloudy spells, sometimes dense.
Light showers. NW wind force 4. Gusts reaching 27 knots in the evening. Slight sea. Low, short swell from WSW. Excellent visibility.