A northerly, weak and mostly variable flow prevails over the South-East of the basin. Over the North, it is easterly, moderate and mostly variable. Over the South-West, it is southerly, moderate and mostly variable.
For Piriac-sur-Mer :
No gale warning.
The reliability of the situation is assessed at 95%.
Warm sun all day. In the evening, skies gradually hazing over.
No precipitation. E force 4 in the morning becoming ENE force 3 in the evening. Gusts reaching 19 knots in the morning. Smooth to slight sea becoming smooth in the middle of the day. Low, short swell from WSW. Excellent visibility.