For Fumba, Zanzibar :
No gale warning.
The reliability of the situation is good.
Clouding over with thunderstorms developing in the morning, sun and storm clouds in the afternoon. Showers all day. In the evening, skies with few clouds.
ESE force 1 in the morning freshening force 3 in the middle of the day. Gusts reaching 15 knots in the evening. Smooth to slight sea. Low, short swell from E. Poor visibility becoming excellent in the middle of the day then good.