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.
Clear skies or light cloud. Sun hazing over from time to time. No precipitation. In the evening, skies with few clouds.
NE force 2 freshening W force 5 in the middle of the day then becoming WNW. Smooth sea becoming smooth to slight in the middle of the day. Low, short swell from W. Excellent visibility.