A northerly, strong and very variable flow prevails over the West of the basin. Over the East, it is southerly, moderate and very variable.
For Saint-Nazaire :
No gale warning.
The reliability of the situation is assessed at 90%.
Clear skies. In the evening, relatively clear skies becoming changeable.
SSE force 4 in the middle of the day turning ESE force 3 in the evening. Gusts reaching 22 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from WSW. Good visibility becoming good in the evening.