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 Les Grands Sables :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Cloud and long sunny periods. No precipitation. In the evening, hazy cloud giving way to increasingly brighter skies.
No precipitation. WNW force 2 turning NNW force 3 in the middle of the day then WNW. Gusts reaching 12 knots in the evening. Smooth to slight sea. Low, fairly long swell from NW. Poor visibility becoming excellent in the middle of the day then good.