High 1023 hPa centered on the center of France moving at 11 knots to the West and gaining strength to 1027 hPa to be centered on the North of the Bay of Biscay.
For Plage du Portuais :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Cloudy spells, sometimes dense. No precipitation. In the evening, good clear periods but cloud building.
No precipitation. WSW wind force 3 from the middle of the day. Gusts reaching 18 knots in the middle of the day. Smooth to slight sea becoming slight in the evening. Low, fairly long swell from NW. Excellent visibility becoming good in the evening.