A southerly, strong and very variable flow prevails over the whole area.
For Castricum, Sports at Sea :
Warning strong breeze offshore.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Little cloud in the morning, changeable skies clouding over completely in the afternoon. No precipitation in the morning, drizzle in late afternoon. In the evening, overcast skies.
Drizzle fading over time. S wind force 4 continuing all day. Gusts reaching 29 knots in the evening. Slight sea. Low, short swell from NW. Good visibility becoming excellent in the middle of the day.