For Rio de la Plata :
No gale warning.
The reliability of the situation is very good.
Fair weather with mostly clear skies. In the evening, skies with few clouds.
NNE force 2 turning SW force 3 in the middle of the day then W. Gusts reaching 13 knots in the middle of the day. Slight sea. Low, fairly long swell from SSE. Excellent visibility becoming excellent in the middle of the day.