A northerly flow prevails over the South and the East of the basin. Over the North-West, it is southwesterly, weak and mostly variable.
For Piriac-sur-Mer :
No gale warning.
The reliability of the situation is assessed at 95%.
Cloudy spells, sometimes dense. No precipitation. In the evening, changeable skies becoming less cloudy.
No precipitation. W force 3 in the middle of the day becoming force 4 in the evening. Gusts reaching 18 knots in the evening. Smooth to slight sea. Low, fairly long swell from WSW. Excellent visibility becoming excellent in the evening.