High 1025 hPa centered on the North of the Bay of Biscay moving at 19 knots to the West to be centered at 150 nautical miles in the West-South-West of the Île de Sein.
For Plage de Riez :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Predominantly sunny in the morning, skies clearing but remaining hazy in the afternoon. No precipitation. In the evening, hazy skies.
No precipitation. NE force 1 freshening NW force 3 in the middle of the day then becoming NNW. Gusts reaching 15 knots in the evening. Smooth to slight sea. Low, fairly long swell from WSW. Visibility reduced by mist becoming excellent in the middle of the day then poor.