For De Saint-Nazaire à Nantes :
No gale warning.
The reliability of the situation is assessed at 90%.
Clear skies. In the evening, clear skies.
NE force 2 in the middle of the day turning NNW in the evening. Gusts reaching 15 knots in the evening. Smooth to slight sea. Low, fairly long swell from W. Good visibility becoming good in the evening.