A westerly, moderate and very variable flow prevails over the whole area.
For Castricum aan Zee : Warning moderate gale offshore.
The reliability of the situation is assessed at 85%.
Very cloudy skies to overcast.Showers all day.In the evening, clear periods developing. No precipitation. SW force 6 in the morning turning W force 5 in the middle of the day. Gusts reaching 49 knots in the morning. Moderate sea becoming slight in the middle of the day. Low, short swell from SSW. Excellent visibility.
semaphore stations
Station Wijk Aan Zee located 6 km from Castricum aan Zee