For Châtelaillon :
No gale warning.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies changeable to very cloudy. The risk of seeing rain will remain low. In the evening, good clear periods but cloud building.
Chance of light rain. SSE force 3 turning SSW in the middle of the day then SE force 2. Gusts reaching 17 knots in the middle of the day. Smooth sea becoming smooth to slight in the middle of the day. Low, fairly long swell from W. Visibility reduced by mist becoming good in the middle of the day then reduced by mist.