A northeasterly, strong and very variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies very cloudy, risk of some thundery outbreaks. Light showers all day. In the evening, good clear periods but lots of cloud, too.
Possibility of showers ENE force 3 in the morning turning NW force 2 in the evening. Gusts reaching 16 knots in the middle of the day. Smooth sea. Low, fairly long swell from WSW. Poor visibility becoming good in the middle of the day then poor.