For Rio de la Plata :
No gale warning.
The reliability of the situation is very good.
Very cloudy with risk of thunderstorms in the morning, storms gradually improving in the afternoon. Showers all day. In the evening, storms developing.
Showers. E force 3 in the morning becoming ESE force 4 in the middle of the day. Gusts reaching 23 knots in the evening. Moderate sea becoming rough in the middle of the day. Moderate, short swell from SSE temporarily low, fairly long swell in the middle of the day. Poor visibility becoming excellent in the middle of the day then excellent.