For Rio de Janeiro :
No gale warning.
The reliability of the situation is very good.
Skies changeable with thundery outbreaks possible during the afternoon. No precipitation in the morning, light showers in the afternoon. In the evening, very cloudy with risk of storms.
Showers becoming less frequent. SSW force 1 freshening SSE force 3 in the middle of the day then NNW force 1. Gusts reaching 11 knots in the middle of the day. Slight sea. Low, short swell from ESE. Excellent visibility becoming poor in the evening.