A southwesterly, strong and variable flow prevails over the whole area.
For Katwijk aan Zee :
Warning strong breeze offshore.
The reliability of the situation is assessed at 95%.
In the evening, very cloudy skies to overcast.
No precipitation. S wind force 4. Gusts reaching 19 knots in the evening. Slight sea. Low, short swell from WSW. Excellent visibility.