A southwesterly, very strong and variable flow prevails over the whole area.
For Gujan mestras :
Warning strong breeze offshore.
The reliability of the situation is assessed at 95%.
Very cloudy in the morning, cloud largely disappearing in the afternoon. Light showers progressively dying out in the morning, no precipitation in the afternoon. In the evening, relatively clear skies becoming changeable.
SSW wind force 3 continuing all day. Gusts reaching 15 knots in the middle of the day. Smooth to slight sea. Low, long swell from WNW. Good visibility becoming excellent in the middle of the day then excellent.