A southwesterly 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 Sunday to Monday W wind force 2 continuing all night. Gusts reaching 10 knots at the end of the night.
Slight sea. Low, short swell from WSW. Visibility reduced by mist becoming reduced by mist in the middle of the night. Daytime of Monday 18 may : Warning:reduced visibility early in the day.
Sunny spells with possibility of mist forming in the morning, increasing sunny spells in the afternoon. No precipitation in the morning, possibility of showers in late afternoon. In the evening, cloudy spells, sometimes dense.
Possibility of showers NW force 2 turning W force 3 in the middle of the day then WSW. Gusts reaching 13 knots from the middle of the day. Slight sea becoming smooth to slight in the middle of the day. Low, short swell from W. Visibility reduced by mist becoming excellent in the middle of the day then good.