An easterly, moderate and mostly variable flow prevails over the whole area.
For Sarzeau :
No gale warning.
The reliability of the situation is assessed at 95%.
Clear skies becoming somewhat cloudy. In the evening, skies with few clouds.
ENE wind force 4 from the middle of the day. Gusts reaching 21 knots. Smooth to slight sea. Low, fairly long swell from SSW. Excellent visibility.