A southwesterly, very strong and variable flow prevails over the whole area.
Für Alphen :
Warning moderate gale offshore.
We are 90% sure of the situation, because it is possible that the change in the rain system may not be as clear as forecast.
Very cloudy skies to overcast. Light rain intensifying progressively in the morning, showers dying away in the afternoon. In the evening, cloudy spells, sometimes dense.
No precipitation. S force 4 turning SW in the middle of the day then SSW force 3. Gusts reaching 23 knots in the middle of the day. Slight sea. Low, short swell from WSW. Excellent visibility.