A westerly, moderate and mostly variable flow prevails over the whole area.
For Saint-Valery-sur-Somme :
Warning strong breeze offshore.
We are 80% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Overcast in the morning, very cloudy with possibility of thunder storms in the afternoon. Showers will be frequent and heavy. In the evening, good clear periods but cloud building.
Possibility of showers SW wind force 5 continuing all day. Gusts reaching 30 knots in the evening. Slight sea. Low, short swell from WNW then from N in the middle of the day. Good visibility becoming excellent in the middle of the day.