A westerly, strong and variable flow prevails over the whole area.
For Saint-Guénolé :
No gale warning.
The reliability of the situation is assessed at 80%.
Overcast in the morning, increasing sunny spells in the afternoon. Some light rain in the morning, light showers dying away progressively in the afternoon. In the evening, relatively clear skies becoming changeable.
WSW force 5 turning NW in the middle of the day then WNW. Gusts reaching 26 knots in the evening. Moderate sea. Moderate, fairly long swell from W then low in the evening. Excellent visibility.