High 1025 hPa centered on the North of the Bay of Biscay remaining almost stationary.
For Plage du Fort de Penthièvre :
No gale warning.
We are 75% sure of the situation, because the high pressure system could move in more quickly than forecast.
A few fair-weather cumulus clouds in the morning, some sun but cloud building in the afternoon. No precipitation. In the evening, very cloudy.
No precipitation. WSW wind force 3 continuing all day. Gusts reaching 13 knots in the middle of the day. Smooth to slight sea. Low, short swell from W. Excellent visibility becoming good in the middle of the day then reduced by mist.