A northeasterly, weak and variable flow prevails over the South-East of the basin. Over the West and the North, it is southerly, moderate and very variable.
For La Tranche-sur-Mer :
No gale warning.
The reliability of the situation is assessed at 80%.
Warm sun all day. In the evening, clear skies.
E force 2 turning WSW force 3 in the middle of the day then WNW. Gusts reaching 15 knots in the evening. Smooth sea. Low, fairly long swell from WSW. Excellent visibility.