Für rocher blanc :
No gale warning.
The reliability of the situation is very good.
Cloudy spells, dense at times in the morning, very cloudy with possibility of thunder storms in the afternoon. Risk of showers in the morning, possibility of showers in the afternoon. In the evening, very cloudy with risk of storms.
Possibility of showers W force 3 in the morning turning SW force 2 in the evening. Gusts reaching 13 knots in the middle of the day. Smooth sea becoming rippled in the evening. Low, short swell from SSE. Excellent visibility becoming poor in the evening.