A southwesterly, very strong and particularly variable flow prevails over the whole area.
For Berck sternes :
Warning fresh gale offshore.
We are 75% sure of the situation, because the clear patches could be more numerous than forecast.
Overcast skies. Light rain. In the evening, overcast skies.
Rain. SSW force 6 in the middle of the day becoming force 7 in the evening. Gusts reaching 52 knots in the evening. Moderate sea becoming rough in the evening. Low, short swell from WNW. Excellent visibility.