For Zanzibar :
No gale warning.
The reliability of the situation is good.
Storms developing in the morning, skies clearing but storms likely in the afternoon. Heavy showers weakening in the afternoon. In the evening, good clear periods but lots of cloud, too.
Chance of light rain. N force 2 in the morning turning NE force 3 in the evening. Gusts reaching 13 knots in the evening. Slight sea. Low, short swell from ENE. Visibility reduced by mist becoming good in the middle of the day then poor.