For Ilha grande :
No gale warning.
The reliability of the situation is very good.
Very cloudy skies with short clear spells. Some light showers in the morning, possibility of a few spots in the afternoon. In the evening, very cloudy.
Chance of light rain. SW force 5 in the morning temporarily force 4 in the middle of the day. Gusts reaching 22 knots in the morning. Moderate sea becoming rough in the middle of the day. Low, short swell from S then moderate in the middle of the day then from SSW. Excellent visibility.