We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fair weather with mostly clear skies.In the evening, skies with few clouds. NNW force 3 turning WNW force 4 in the middle of the day then NW. Gusts reaching 17 knots from the middle of the day. Slight sea. Low, short swell from W. Good visibility becoming good in the middle of the day then excellent.
Semaphoren
Station Pte De Chemoulin liegt 16 km von Les portes de bassin entfernt