A northerly and very 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 90%.
In the evening, light cloudy spells.
WNW wind force 3. Gusts reaching 14 knots in the evening. Smooth to slight sea. Low, short swell from W. Excellent visibility.