A northeasterly, moderate and variable flow prevails over the South-West of the basin. Over the North and the East, it is southwesterly, strong and very variable.
For Katwijk :
No gale warning.
The reliability of the situation is assessed at 90%.
In the evening, skies with few clouds.
SW wind force 1. Gusts reaching 8 knots in the evening. Smooth sea. Low, short swell from NW. Good visibility.