High 1020 hPa centered on the North of the Bay of Biscay remaining almost stationary.
For Plage de la Breche : No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Light cloudy spells.In the evening, clear spells then risk of fog towards the end of the night. No precipitation. WSW force 4 in the middle of the day becoming W force 3 in the evening. Gusts reaching 17 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from WSW. Excellent visibility becoming poor in the evening.
semaphore stations
Station Ile De Groix located 12 km from Plage de la Breche