A westerly, strong and particularly variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
Warning moderate gale offshore.
The reliability of the situation is fairly good.
For the night from Thursday to Friday SW force 5 in the early part of the night becoming force 6. Gusts reaching 39 knots at the end of the night.
Slight sea becoming moderate in the middle of the night. Low, short swell from W. Excellent visibility. Daytime of Friday 13 march : The unsettled atmosphere will become increasingly unstable as the day unfolds.
Overcast skies. Light rain intensifying progressively in the morning, showers in the afternoon. In the evening, very cloudy.
Light showers. WSW force 6 weakening force 4 in the middle of the day then becoming WNW. Gusts reaching 39 knots in the morning. Moderate sea. Low, fairly long swell from W. Excellent visibility becoming good in the evening.