For Rio de Janeiro:
No gale warning.
The reliability of the situation is very good.
Fair weather with mostly clear skies. In the evening, skies with few clouds.
NW force 1 turning SE force 2 in the middle of the day then E. Gusts reaching 8 knots from the middle of the day. Slight sea. Low, fairly long swell from SE. Visibility reduced by mist becoming excellent in the middle of the day then poor.