For La Tranche-sur-Mer :
No gale warning.
We are 85% sure of the situation, because the atmosphere might be less unstable and showers more frequent than forecast.
Cloudy spells, sometimes dense. No precipitation. In the evening, changeable skies becoming less cloudy.
No precipitation. WNW force 5 in the middle of the day turning NNW in the evening. Gusts reaching 26 knots in the middle of the day. Slight sea. Low, short swell from WSW. Excellent visibility.