A southwesterly, very strong and variable flow prevails over the whole area.
For Castricum, Sports at Sea :
Warning moderate gale offshore.
We are 90% sure of the situation, because flows might be far more disturbed than forecast.
Very cloudy skies to overcast. The risk of seeing rain will remain low. In the evening, very cloudy.
No precipitation. SW force 4 in the morning becoming force 5 in the evening. Gusts reaching 32 knots in the evening. Slight sea. Low, short swell from WSW. Good visibility becoming excellent in the middle of the day.