For Libourne :
No gale warning.
We are 70% sure of the situation, because the atmosphere might be less unstable and showers more frequent than forecast.
Good clear periods alternating with cloudy spells, rather dense in the morning. Risk of some spots of rain in the morning, possibility of showers in the afternoon. In the evening, cloud and long sunny periods.
Light showers. ENE force 2 turning WSW in the middle of the day then NW force 4. Gusts reaching 22 knots in the evening. Rippled sea becoming smooth in the evening. Low, short swell from W then from N in the middle of the day. Excellent visibility.