A northeasterly, moderate and particularly variable flow prevails over the South-East of the basin. Over the West and the North, it is westerly, moderate and very variable.
For Castricum, Sports at Sea :
No gale warning.
The reliability of the situation is assessed at 80%.
Very cloudy skies with short clear spells. Some showers from late morning. In the evening, good clear periods but lots of cloud, too.
Light showers. WSW force 4 in the morning becoming W force 3 in the evening. Gusts reaching 24 knots in the morning. Slight sea. Low, short swell from NNE. Excellent visibility becoming excellent in the evening.