A westerly, moderate and mostly variable flow prevails over the whole area.
For Tréboul - Sables Blancs :
No gale warning.
We are 90% sure of the situation, because the cloud system could clear up more slowly than forecast.
Clear skies. In the evening, relatively clear skies becoming changeable.
WNW wind force 4 from the middle of the day. Gusts reaching 21 knots in the evening. Smooth to slight sea. Low, short swell from W. Excellent visibility becoming excellent in the evening.