A southeasterly, strong and very variable flow prevails over the whole area.
For Port de Saint-Gildas :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fairly cloudless skies becoming changeable during the morning, very cloudy skies to overcast in the afternoon. No precipitation. In the evening, very cloudy skies to overcast.
Chance of light rain. E force 4 in the morning becoming force 5 in the evening. Gusts reaching 26 knots in the evening. Slight sea. Low, short swell from S. Excellent visibility becoming excellent in the middle of the day.