High 1026 hPa centered at 50 nautical miles in the North-North-West of Ouessant moving at 6 knots to the South-East to be centered off Breton Cape.
For Vannes : No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Sunny becoming changeable in the afternoon.No precipitation.In the evening, skies with few clouds. ENE force 1 freshening SSW force 3 in the middle of the day then becoming W. Gusts reaching 12 knots in the evening. Smooth sea. Low, short swell from WSW. Excellent visibility becoming excellent in the middle of the day.