For Zanzibar :
No gale warning.
The reliability of the situation is good.
Storms developing in the morning, cloud and sun in the afternoon. Some showers in the morning, possibility of showers in the afternoon. In the evening, changeable skies clouding over completely.
Possibility of showers S force 3 in the morning temporarily SE force 4 in the middle of the day. Gusts reaching 19 knots until the middle of the day. Moderate sea. Low, short swell from ESE. Visibility reduced by fog becoming excellent in the middle of the day then reduced by mist.