A westerly, strong and very variable flow prevails over the whole area.
Für Trévignon :
No gale warning.
The reliability of the situation is poor.
For the night from Wednesday to Thursday NW force 3 in the early part of the night turning W. Gusts reaching 15 knots at the end of the night.
Slight sea. Low, short swell from W. Excellent visibility. Daytime of Thursday 17 september : The atmosphere will remain unstable.
Very cloudy skies with short clear spells. Light showers all day. In the evening, clear periods developing.
Light showers progressively becoming less frequent. W force 4 in the morning temporarily force 5 in the middle of the day. Gusts reaching 25 knots in the middle of the day. Slight sea. Low, fairly long swell from W. Excellent visibility.