For Porto Alegre :
No gale warning.
The reliability of the situation is very good.
Cloudy with risk of fog in the morning, changeable skies becoming relatively cloud-free in the afternoon. Risk of some spots of rain in the morning, no precipitation in the afternoon. In the evening, skies with few clouds.
E force 2 in the morning freshening force 4 in the middle of the day. Gusts reaching 21 knots in the evening. Moderate sea. Low, fairly long swell from ESE. Visibility reduced by fog becoming excellent in the middle of the day.