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 22 knots in the middle of the night.
Slight sea becoming smooth to slight at the end of the night. Low, fairly long swell from S. Excellent visibility. Daytime of Wednesday 20 may : Improving during the day:the sky will clear.
Very cloudy in the morning, changeable skies becoming relatively cloud-free in the afternoon. No precipitation. In the evening, skies with few clouds.
WSW force 4 becoming SW force 3 in the middle of the day then WSW. Gusts reaching 21 knots in the morning. Slight sea becoming smooth to slight in the evening. Low, fairly long swell from WSW. Excellent visibility becoming poor in the evening.