For Île de Sein :
No gale warning.
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, relatively clear skies becoming changeable.
S force 3 in the morning turning SW force 4 in the evening. Gusts reaching 17 knots in the evening. Slight sea. Low, short swell from WSW. Poor visibility becoming poor in the middle of the day then excellent.