A northerly and very variable flow prevails over the South and the East of the basin. Over the North-West, it is southwesterly, strong and variable.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is poor.
For the night from Thursday to Friday N wind force 3 continuing all night. Gusts reaching 13 knots until the middle of the night.
Smooth to slight sea becoming slight at the end of the night. Low, fairly long swell from W. Poor visibility becoming reduced by mist in the middle of the night then reduced by mist. Daytime of Friday 21 november : Warning:reduced visibility early in the day.
Fog giving way to sun in early morning, sunny in the afternoon. No precipitation. In the evening, skies with few clouds.
N force 3 in the morning becoming NNW force 2 in the middle of the day. Gusts reaching 13 knots in the morning. Slight sea becoming smooth to slight in the middle of the day. Low, fairly long swell from W. Visibility reduced by mist becoming excellent in the middle of the day then good.