An easterly, very strong and very variable flow prevails over the whole area.
For Plage du Crotoy :
Warning strong breeze offshore.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies changeable to very cloudy. No precipitation. In the evening, very cloudy.
Chance of light rain. S force 3 turning ESE force 4 in the middle of the day then E. Gusts reaching 22 knots in the evening. Slight sea becoming smooth to slight in the middle of the day. Low, short swell from W. Visibility reduced by mist becoming good in the middle of the day then excellent.