A westerly, strong and mostly variable flow prevails over the whole area.
For Les Moutiers en Retz :
No gale warning.
We are 80% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Skies very cloudy, risk of some thundery outbreaks. Showers all day. In the evening, cloudy spells, sometimes dense.
Risk of showers in the early hours. SW force 4 in the morning turning W in the evening. Gusts reaching 24 knots in the middle of the day. Smooth sea becoming smooth to slight in the middle of the day. Low, fairly long swell from W then long from E in the middle of the day then from E. Excellent visibility.