A southerly and mostly variable flow prevails over the whole area.
For Castricum aan Zee :
No gale warning.
The reliability of the situation is assessed at 95%.
Thick, high cloud cover. No precipitation. In the evening, very cloudy.
No precipitation. SE force 2 in the middle of the day turning S force 3 in the evening. Gusts reaching 13 knots in the evening. Smooth sea. Low, short swell from WSW. Excellent visibility becoming reduced by mist in the evening.