High 1028 hPa centered on the North of the Bay of Biscay moving at 15 knots to the East-North-East to be centered on West Channel.
For Ile de Batz : No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Good clear periods but cloud building.No precipitation.In the evening, clear periods developing. No precipitation. WSW force 3 in the middle of the day turning S force 2 in the evening. Gusts reaching 12 knots in the middle of the day. Slight sea. Low, fairly long swell from WNW. Excellent visibility becoming excellent in the evening.