A northwesterly, strong and mostly variable flow prevails over the whole area.
For Katwijk aan Zee :
Warning strong breeze offshore.
The reliability of the situation is very good.
Very cloudy. But clear spells will become more and more widespread. Some light showers in the morning, no precipitation in the afternoon. In the evening, clear periods developing.
Chance of light rain. NNW wind force 4 continuing all day. Gusts reaching 30 knots in the evening. Slight sea. Low, short swell from WNW. Excellent visibility.