For Porto Alegre :
No gale warning.
The reliability of the situation is very good.
Little cloud in the morning, sunny despite some high cloud in the afternoon. No precipitation. In the evening, cloud and long sunny periods.
Chance of light rain. S force 3 becoming SSE force 4 in the middle of the day then SE. Gusts reaching 19 knots from the middle of the day. Slight sea. Low, short swell from ENE. Good visibility becoming excellent in the middle of the day.