Praia da Alagoinha
Rio de Janeiro · Brazil
Rating right now
Praia da Alagoinha is a N-facing sand beach on the Brazil shoreline, opening onto the Coastal Waters — it catches NW–NE swell, and offshore SE–SW winds tidy the banks through year-round.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~21.9°C (71.4°F) on average
Jan
24°C
75.2°F · 21.4–25.9°C
Feb
24.3°C
75.7°F · 21.3–27.2°C
Mar
25°C
77°F · 22.3–27.5°C
Apr
25.2°C
77.4°F · 23.2–26.3°C
May
23.8°C
74.8°F · 22.2–25.4°C
Jun
23.4°C
74.1°F · 21.9–24.7°C
Jul
22.3°C
72.1°F · 20.1–23.4°C
Aug
22°C
71.6°F · 20.3–23.5°C
Sep
21.9°C
71.4°F · 20.6–23.2°C
Oct
22.4°C
72.3°F · 21.5–24.4°C
Nov
23.3°C
73.9°F · 22.1–24.7°C
Dec
24.1°C
75.4°F · 21.9–25.7°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
NW–NE
Best wind
SE–SW
Break type
Beach break
Best season
Year-round
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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