A northeasterly, moderate and variable flow prevails over the South and the East of the basin. Over the North-West, it is southwesterly, strong and very variable.
For Piriac-sur-Mer :
No gale warning.
The reliability of the situation is assessed at 70%.
Very cloudy skies with short clear spells. The risk of seeing rain will remain low. In the evening, very cloudy.
Chance of light rain. W force 4 in the morning becoming force 5 in the middle of the day. Gusts reaching 28 knots from the middle of the day. Smooth to slight sea becoming slight in the middle of the day. Low, short swell from WNW. Excellent visibility.