For La Tranche-sur-Mer :
No gale warning.
The reliability of the situation is assessed at 90%.
Bright spells increasing during the morning, sunny in the afternoon. Light showers progressively dying out in the morning, no precipitation in the afternoon. In the evening, clear skies.
NNW force 2 freshening W force 5 in the middle of the day then becoming WNW. Gusts reaching 23 knots in the evening. Smooth to slight sea becoming slight in the evening. Low, fairly long swell from WSW. Poor visibility becoming excellent in the middle of the day.