Für Zanzibar :
No gale warning.
The reliability of the situation is good.
Very cloudy with risk of thunderstorms in the morning, skies clearing but storms likely in the afternoon. Showers all day. In the evening, skies with few clouds.
SE force 3 becoming force 4 in the middle of the day then ESE. Gusts reaching 17 knots in the evening. Slight sea. Low, short swell from ESE. Poor visibility becoming poor in the middle of the day then excellent.