A southerly, moderate and very variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is assessed at 90%.
For the night from Tuesday to Wednesday WSW wind force 4 continuing all night. Gusts reaching 21 knots at the end of the night.
Smooth to slight sea becoming slight in the middle of the night. Low, short swell from WSW. Excellent visibility. Daytime of Wednesday 20 may : Improving during the day:the sky will clear.
Very cloudy in the morning, predominantly sunny in the afternoon. No precipitation. In the evening, light cloudy spells.
WSW force 4 becoming SW force 3 in the middle of the day then WSW. Gusts reaching 21 knots in the morning. Slight sea. Low, fairly long swell from SW. Excellent visibility becoming poor in the evening.