A southerly and particularly variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is poor.
For the night from Thursday to Friday E wind force 2 continuing all night. Gusts reaching 10 knots in the middle of the night.
Smooth to slight sea. Low, fairly long swell from W. Excellent visibility becoming excellent in the middle of the night then good. Daytime of Friday 22 may : The sky will remain changeable.
Good clear periods alternating with cloudy spells, sometimes dense. No precipitation. In the evening, cloudy spells, sometimes dense.
No precipitation. E force 3 turning SE in the middle of the day then WSW force 2. Gusts reaching 13 knots until the middle of the day. Smooth to slight sea becoming slight in the middle of the day. Low, fairly long swell from W. Good visibility becoming excellent in the middle of the day then excellent.