For Porto Alegre :
No gale warning.
The reliability of the situation is good.
Fair weather with mostly clear skies. In the evening, light cloudy spells.
WNW force 2 in the morning turning SSE force 1 in the evening. Gusts reaching 10 knots in the morning. Moderate sea. Moderate, short swell from WSW. Poor visibility becoming excellent in the middle of the day then good.