For Btumbawe :
No gale warning.
The reliability of the situation is good.
Good clear periods alternating with cloudy spells, rather dense in the morning. The risk of seeing rain will remain low. In the evening, lots of good clear periods.
Chance of light rain. S force 3 in the morning temporarily SSE force 4 in the middle of the day. Gusts reaching 19 knots in the middle of the day. Slight sea. Low, short swell from ESE. Visibility reduced by mist becoming excellent in the middle of the day then good.