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.
Fairly cloudless skies becoming changeable during the morning, very cloudy skies to overcast in the afternoon. No precipitation. In the evening, very cloudy.
No precipitation. ENE force 4 turning ESE in the middle of the day then S force 3. Gusts reaching 21 knots in the morning. Slight sea becoming smooth to slight in the evening. Low, fairly long swell from SW. Excellent visibility becoming excellent in the evening.