For Zanzibar :
No gale warning.
The reliability of the situation is good.
Skies changeable to very cloudy. No precipitation. In the evening, lots of good clear periods.
No precipitation. NNE force 3 in the morning turning ENE in the evening. Gusts reaching 14 knots in the evening. Slight sea. Low, short swell from ENE. Poor visibility becoming excellent in the middle of the day then poor.