For La Tranche-sur-Mer :
Warning strong breeze.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Storms in early morning, good clear periods with lots of cloud in the afternoon. Some showers in the morning, possibility of a few spots in the afternoon. In the evening, very cloudy.
Possibility of showers WNW force 5 in the morning temporarily W force 6 in the middle of the day. Gusts reaching 32 knots in the evening. Slight sea. Low, short swell from SW. Excellent visibility.