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 Castricum aan Zee :
No gale warning.
We are 90% sure of the situation, because the atmosphere might not be as stable as forecast.
Very cloudy skies to overcast. Chance of light rain. In the evening, very cloudy.
No precipitation. N wind force 3 from the middle of the day. Gusts reaching 16 knots in the middle of the day. Smooth to slight sea. Low, short swell from NW. Excellent visibility becoming good in the evening.