A southerly, strong and very variable flow prevails over the whole area.
For Piriac-sur-Mer :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies very cloudy to overcast in the morning, cloud largely disappearing in the afternoon. No precipitation. In the evening, light cloudy spells.
E force 3 in the morning temporarily force 4 in the middle of the day. Gusts reaching 18 knots in the middle of the day. Slight sea. Low, fairly long swell from SW. Excellent visibility.