For Btumbawe :
No gale warning.
The reliability of the situation is good.
Sunny despite some cloudy spells but no rain. In the evening, clear spells then risk of fog towards the end of the night.
No precipitation. S force 3 in the morning turning SE in the evening. Gusts reaching 17 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 reduced by mist.