A southeasterly, strong and mostly variable flow prevails over the whole area.
For La Tranche-sur-Mer :
No gale warning.
The reliability of the situation is assessed at 95%.
Fair weather with mostly clear skies. In the evening, clear skies.
NE force 4 in the morning temporarily ENE force 5 in the middle of the day. Gusts reaching 21 knots in the middle of the day. Smooth sea temporarily smooth to slight in the middle of the day. Low, fairly long swell from WSW. Excellent visibility becoming excellent in the middle of the day.