For Zwemmersstrandje (Oostvoorne) :
No gale warning.
The reliability of the situation is assessed at 80%.
Skies changeable to very cloudy. Some light showers in the morning, showers late in the day. In the evening, good clear periods but lots of cloud, too.
Showers. W wind force 5 continuing all day. Gusts reaching 37 knots from the middle of the day. Slight sea. Low, short swell from NE. Excellent visibility.