For Btumbawe :
No gale warning.
The reliability of the situation is good.
Cloudy with risk of fog in the morning, increasing sunny spells in the afternoon. Some light showers in the morning, possibility of showers in the afternoon. In the evening, relatively clear skies becoming changeable.
S wind force 3 continuing all day. Gusts reaching 20 knots in the middle of the day. Slight sea becoming moderate in the evening. Low, short swell from ESE. Visibility reduced by mist becoming excellent in the middle of the day then poor.