For Portonovo :
No gale warning.
The reliability of the situation is assessed at 90%.
Clear skies. In the evening, clear skies.
NW force 4 in the middle of the day turning W force 3 in the evening. Gusts reaching 23 knots in the middle of the day. Smooth to slight sea becoming smooth in the evening. Low, short swell from NNW. Excellent visibility.