For Saint-Brevin-Les-Pins :
No gale warning.
For the night from Wednesday to Thursday NNW wind force 2 continuing all night. Gusts reaching 18 knots until the middle of the night.
Slight sea. Low, long swell from W then from N in the middle of the night. Good visibility becoming good in the middle of the night. Daytime of Thursday 19 march : The sky will remain changeable.
Skies changeable to very cloudy. Risk of showers in the morning, possibility of showers in the afternoon. In the evening, clear periods developing.
Light showers progressively becoming less frequent. NW wind force 2 continuing all day. Gusts reaching 18 knots in the evening. Slight sea becoming moderate in the evening. Low from N then long from W in the middle of the day then moderate from W. Good visibility becoming excellent in the middle of the day then poor.