A northerly and mostly variable flow prevails over the South-West of the basin. Over the North and the East, it is westerly, very strong and mostly variable.
For La Tranche-sur-Mer :
No gale warning.
We are 90% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will end.
Very cloudy skies to overcast. Light rain followed by showers. In the evening, cloud and long sunny periods.
No precipitation. W wind force 5 from the middle of the day. Gusts reaching 23 knots in the evening. Slight sea. Low, short swell from WSW. Excellent visibility.