For Vivier :
No gale warning.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Relatively clear skies becoming changeable. In the evening, very cloudy.
Showers towards the end of the night. NNW force 4 in the middle of the day turning W force 3 in the evening. Gusts reaching 20 knots in the evening. Smooth to slight sea becoming slight in the evening. Low, short swell from NNW. Excellent visibility becoming good in the evening.