For La Tranche-sur-Mer :
No gale warning.
We are 85% sure of the situation, because flows might be far more disturbed than forecast.
Overcast skies. The risk of seeing rain will remain low. In the evening, overcast skies.
Chance of light rain. SSE force 4 in the morning turning SSW in the evening. Gusts reaching 19 knots in the morning. Slight sea. Low, short swell from W. Excellent visibility.