For Nosy Be :
No gale warning.
The reliability of the situation is good.
Skies changeable with thundery outbreaks possible during the afternoon. Risk of showers in the morning, possibility of showers in the afternoon. In the evening, changeable skies with risk of storms.
Light showers progressively becoming less frequent. E force 1 freshening W force 3 in the middle of the day then NE force 2. Gusts reaching 11 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from SW. Good visibility becoming excellent in the middle of the day.