A northwesterly, moderate and mostly variable flow prevails over the whole area.
For Berck sternes :
Warning strong breeze offshore.
We are 90% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will begin.
Very cloudy skies to overcast. Light rain. In the evening, very cloudy skies to overcast.
Showers. W wind force 4 from the middle of the day. Gusts reaching 21 knots in the evening. Smooth to slight sea becoming slight in the evening. Low, short swell from NW. Excellent visibility.