A northwesterly, strong and very variable flow prevails over the whole area.
For Alphen :
Warning moderate gale offshore.
We are 80% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will begin.
Very cloudy skies. Becoming more changeable for a time in the morning. Some light showers from late morning. In the evening, cloud and long sunny periods.
Chance of light rain. NW force 4 in the morning temporarily force 5 in the middle of the day. Gusts reaching 32 knots in the middle of the day. Moderate sea. Low from N then fairly long from NW in the middle of the day then from NW. Excellent visibility.