For Rio de Janeiro :
No gale warning.
The reliability of the situation is good.
Good clear periods but cloud building. Risk of showers in the early hours. In the evening, stormy but gradually improving.
Showers. SE force 2 in the middle of the day turning WSW force 3 in the evening. Gusts reaching 15 knots in the evening. Moderate sea. Low, short swell from ESE. Excellent visibility becoming reduced by mist in the evening.