An easterly, moderate and mostly variable flow prevails over the South of the basin. Over the North, it is northwesterly, moderate and mostly variable.
For Katwijk aan Zee :
No gale warning.
The reliability of the situation is assessed at 90%.
Very cloudy skies to overcast. No precipitation. In the evening, very cloudy skies to overcast.
No precipitation. N wind force 3 from the middle of the day. Gusts reaching 19 knots in the middle of the day. Slight sea. Low, short swell from NNW. Excellent visibility becoming excellent in the evening.