A northeasterly, moderate and very variable flow prevails over the whole area.
For Plage du Crotoy :
Warning moderate gale offshore.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Clear skies. In the evening, clear skies.
ENE force 4 in the middle of the day becoming NE force 5 in the evening. Gusts reaching 28 knots in the evening. Smooth sea becoming smooth to slight in the evening. Low, short swell from NNW. Excellent visibility.