A southwesterly, moderate and variable flow prevails over the whole area.
For Sarzeau :
Warning strong breeze offshore.
We are 90% sure of the situation, because the atmosphere might be less unstable and showers more frequent than forecast.
Very cloudy skies becoming totally overcast during the afternoon. No precipitation in the morning, possibility of showers in late afternoon. In the evening, overcast skies.
Showers towards the end of the night. S force 3 freshening force 5 in the middle of the day then becoming S. Gusts reaching 30 knots in the evening. Moderate sea. Moderate, long swell from WSW then low, fairly long swell in the middle of the day then from WSW. Good visibility becoming good in the middle of the day then excellent.