A southeasterly, very strong and mostly variable flow prevails over the North-West of the basin. Over the South and the East, it is southwesterly, strong and mostly variable.
For Castricum aan Zee :
Warning moderate gale offshore.
The reliability of the situation is good.
Skies clearing but with risk of storms in the morning, cloudy spells, sometimes dense, in the afternoon. Some light showers in the morning, possibility of a few spots in the afternoon. In the evening, very cloudy skies becoming totally overcast.
Light showers followed by rain. WSW force 3 becoming SW force 4 in the middle of the day then SSE force 3. Gusts reaching 23 knots in the middle of the day. Slight sea. Low, short swell from W. Excellent visibility.