For Porto Alegre :
No gale warning.
The reliability of the situation is very good.
Sunny after slow dispersal of fog in the morning, very cloudy skies becoming totally covered in the afternoon. No precipitation in the morning, showers late in the day. In the evening, overcast and misty, reduced visibility.
Heavy showers. NE force 1 turning ESE force 2 in the middle of the day then SSE force 1. Gusts reaching 6 knots in the middle of the day. Slight sea. Low, short swell from S. Visibility reduced by dense fog temporarily in the middle of the day.