We are 75% sure of the situation, because the high pressure system could move in more quickly than forecast.
Clear skies but light mist in the morning, sunny in the afternoon.In the evening, clear skies. SSW force 2 turning NW force 3 in the middle of the day then NNW. Gusts reaching 19 knots from the middle of the day. Rippled sea becoming smooth in the middle of the day. Low, short swell from WNW. Visibility reduced by mist becoming excellent in the middle of the day then excellent.
Semaphoren
Station Cap-Ferret liegt 9 km von La Roche-Velaine entfernt