An easterly and moderate flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
For the night from Saturday to Sunday NE wind force 3 continuing all night. Gusts reaching 21 knots in the early part of the night.
Smooth to slight sea. Low, fairly long swell from WSW. Excellent visibility. Daytime of Sunday 22 march : The unsettled weather will become more unpredictable in the second half of the day.
Good clear periods alternating with cloudy spells, sometimes dense. Risk of some spots of rain in the morning, light showers in the afternoon. In the evening, good clear periods but cloud building.
Light showers. ENE force 4 in the morning becoming E force 3 in the middle of the day. Gusts reaching 19 knots in the morning. Smooth to slight sea. Low, fairly long swell from WSW. Excellent visibility becoming good in the evening.