A southwesterly, strong and mostly variable flow prevails over the whole area.
For Berck :
Warning moderate gale offshore.
We are 85% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Skies very cloudy, becoming totally overcast during the morning, increasing sunny spells in the afternoon. Some showers from late morning. In the evening, relatively clear skies becoming changeable.
SSW force 5 turning W in the middle of the day then becoming force 4. Gusts reaching 35 knots in the morning. Moderate sea. Low, short swell from W. Excellent visibility.