A southwesterly, strong and very 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 Tuesday to Wednesday SW wind force 3 continuing all night. Gusts reaching 16 knots in the early part of the night.
Slight sea. Low, short swell from WSW. Poor visibility becoming reduced by mist at the end of the night. Daytime of Wednesday 20 may : Warning:reduced visibility early in the day.
Sunny spells with possibility of mist forming in the morning, cloud and sun in the afternoon. No precipitation. In the evening, skies with few clouds.
SW wind force 3 continuing all day. Gusts reaching 15 knots until the middle of the day. Slight sea. Low, short swell from W. Visibility reduced by mist temporarily in the middle of the day.