For La Tranche-sur-Mer :
No gale warning.
We are 90% sure of the situation, because the cloud system could clear up more slowly than forecast.
Hazy skies in the morning, sunny in the afternoon. No precipitation. In the evening, skies with few clouds covering over progressively.
No precipitation. S force 3 freshening W force 5 in the middle of the day then becoming WNW. Gusts reaching 21 knots from the middle of the day. Smooth sea becoming smooth to slight in the middle of the day. Low, fairly long swell from W. Excellent visibility.