A southwesterly, very strong and very variable flow prevails over the whole area.
For Noirmoutier-en-l"Île :
No gale warning.
The reliability of the situation is assessed at 75%.
Skies very cloudy to overcast in the morning, sunny in the afternoon. The risk of seeing rain will remain low. In the evening, skies with few clouds.
SSW force 5 turning WNW in the middle of the day then becoming force 4. Gusts reaching 26 knots in the morning. Slight sea. Low, fairly long swell from WSW. Poor visibility becoming excellent in the middle of the day.