A southerly, strong and variable flow prevails over the whole area.
For Castricum, Sports at Sea :
Warning moderate gale offshore.
The reliability of the situation is assessed at 90%.
Very cloudy skies with short clear spells. The risk of seeing rain will remain low. In the evening, very cloudy.
No precipitation. SW force 5 weakening S force 3 in the middle of the day then SE force 2. Gusts reaching 39 knots in the morning. Slight sea becoming smooth to slight in the evening. Low, short swell from WSW. Excellent visibility becoming good in the middle of the day then reduced by mist.