A northeasterly, moderate and variable flow prevails over the South-West of the basin. Over the North and the East, it is northwesterly, moderate and very variable.
For La Tranche-sur-Mer :
No gale warning.
The reliability of the situation is assessed at 90%.
In the evening, good clear periods but lots of cloud, too.
No precipitation. NW wind force 4. Gusts reaching 21 knots in the evening. Smooth to slight sea. Low, short swell from WSW. Excellent visibility.