Praia Sereia do Mar
Rio Grande do Sul · Brazil
Rating right now
An open SE-facing sand beach on the Río de la Plata near Rio Grande do Sul, Praia Sereia do Mar works on E–S groundswell; W–N winds offshore, with conditions most reliable october–april.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~17.4°C (63.3°F) on average
Jan
24.3°C
75.7°F · 21.8–27.1°C
Feb
24.8°C
76.6°F · 21.5–28.4°C
Mar
24.6°C
76.3°F · 22.1–27.3°C
Apr
23.3°C
73.9°F · 21.2–25.1°C
May
20.7°C
69.3°F · 18.9–23.6°C
Jun
18.1°C
64.6°F · 15.2–21.8°C
Jul
16.3°C
61.3°F · 12.8–19.6°C
Aug
16.2°C
61.2°F · 13.4–19.3°C
Sep
17.4°C
63.3°F · 15.6–20.6°C
Oct
19°C
66.2°F · 14.7–21.7°C
Nov
20.7°C
69.3°F · 17.9–22.3°C
Dec
22.6°C
72.7°F · 20.6–24.2°C
25-year monthly averages from the NOAA OISST satellite record — typical range min–max, not a live reading.
Know before you go
Best swell
E–S
Best wind
W–N
Break type
Beach break
Best season
October–April
Safety: Friendly by surf standards, but rip currents and drop-in etiquette still apply. Shifting sandbars create moving rip currents — learn to spot them and use them to get out back. Sharks are part of the ecosystem here — avoid dawn, dusk and murky rivermouth water.
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