For rocher blanc :
No gale warning.
The reliability of the situation is very good.
Skies changeable to very cloudy. No precipitation. In the evening, skies with few clouds.
NNW force 2 in the morning becoming N force 3 in the middle of the day. Gusts reaching 22 knots in the evening. Smooth sea becoming smooth to slight in the evening. Low from N. Good visibility becoming excellent in the middle of the day.