For Mangaratiba :
No gale warning.
The reliability of the situation is very good.
Sunny becoming changeable in the afternoon. No precipitation. In the evening, cloudy spells, sometimes dense.
Chance of light rain. NE force 2 turning SE force 3 in the middle of the day then E force 2. Gusts reaching 13 knots in the middle of the day. Moderate sea. Low, fairly long swell from SSE. Good visibility becoming good in the middle of the day then poor.