A northerly and variable flow prevails over the South and the East of the basin. Over the North-West, it is southwesterly, strong and mostly variable.
For Piriac-sur-Mer :
No gale warning.
The reliability of the situation is assessed at 95%.
Cloud and long sunny periods. No precipitation. In the evening, skies with few clouds.
NNW wind force 4 continuing all day. Gusts reaching 20 knots in the morning. Smooth to slight sea. Low, fairly long swell from WSW. Excellent visibility.