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 Pornic :
No gale warning.
The reliability of the situation is assessed at 80%.
Cloud and long sunny periods. Chance of light rain. In the evening, cloudy spells, sometimes dense.
No precipitation. NNW wind force 3 from the middle of the day. Gusts reaching 18 knots in the middle of the day. Smooth to slight sea. Low, short swell from W. Excellent visibility.