A northwesterly, moderate and mostly variable flow prevails over the South and the East of the basin. Over the North-West, it is southwesterly, moderate and mostly variable.
For Castricum aan Zee :
Warning strong breeze offshore.
The reliability of the situation is good.
Bright spells increasing during the morning, cloud and sun in the afternoon. No precipitation. In the evening, light cloudy spells.
NW force 4 in the morning becoming force 3 in the middle of the day. Gusts reaching 28 knots in the morning. Slight sea becoming smooth to slight in the evening. Low, short swell from SW. Excellent visibility.