A westerly, strong and very variable flow prevails over the whole area.
For Castricum, Sports at Sea :
Warning strong breeze offshore.
The reliability of the situation is assessed at 85%.
In the evening, good clear periods but lots of cloud, too.
Chance of light rain. W wind force 5. Gusts reaching 34 knots in the evening. Slight sea. Low, short swell from E. Excellent visibility.