A northwesterly, strong and very variable flow prevails over the whole area.
For Plage du Crotoy :
No gale warning.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies changeable to very cloudy. Light showers progressively dying out in the morning, possibility of showers in late afternoon. In the evening, clear periods developing.
Possibility of showers NW force 3 becoming force 4 in the middle of the day then N. Gusts reaching 22 knots in the middle of the day. Slight sea becoming smooth to slight in the evening. Low, short swell from WNW. Excellent visibility becoming excellent in the evening.