For PORT DE LA GRAVETTE :
Warning moderate gale.
The reliability of the situation is assessed at 80%.
Skies very cloudy, risk of some thundery outbreaks. Risk of showers in the morning, showers with possibility of hail in the afternoon. In the evening, lots of good clear periods.
Chance of light rain. SSW force 6 becoming SW force 7 in the middle of the day then WSW force 5. Gusts reaching 47 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from WSW. Excellent visibility.