For Saint-Brevin-Les-Pins :
No gale warning.
For the night from Friday to Saturday ENE wind force 3 continuing all night. Gusts reaching 19 knots in the early part of the night.
Smooth sea becoming smooth to slight in the middle of the night. Low, fairly long swell from W. Excellent visibility. Daytime of Saturday 21 march : The sky will remain changeable.
Good clear periods alternating with cloudy spells, sometimes dense. No precipitation. In the evening, cloudy spells, sometimes dense.
Chance of light rain. ENE force 4 becoming force 3 in the middle of the day then NE. Gusts reaching 19 knots in the evening. Smooth to slight sea becoming smooth in the evening. Low, fairly long swell from W. Excellent visibility becoming good in the evening.