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 Saint-Nazaire :
No gale warning.
The reliability of the situation is assessed at 80%.
Clear periods developing. No precipitation. In the evening, skies with few clouds.
NNW wind force 3 from the middle of the day. Gusts reaching 18 knots in the middle of the day. Smooth sea. Low, short swell from SW. Good visibility becoming excellent in the evening.