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, Sports at Sea :
Warning moderate gale offshore.
The reliability of the situation is very good.
Good clear periods alternating with cloudy spells, sometimes dense. No precipitation. In the evening, very cloudy skies becoming totally overcast.
Rain in the early hours. WSW force 3 becoming SW force 4 in the middle of the day then SSE. Gusts reaching 23 knots in the middle of the day. Slight sea. Low, short swell from W. Excellent visibility.