Prainha
Paraná · Brazil
Rating right now
A october–april beach on the Río de la Plata near Paraná, Prainha is exposed to NE swell — NW–E on the forecast is when it lights up, ideally with a S–SW wind.
Today's surf at Prainha
Updated 22:11 spot time
Prainha surf report for Wednesday 30 Sept: waves 0.4 m–0.6 m knee to waist high, 0.4 m E swell at 5.9 s. Wind up to 12 km/h SSE. Water 22°C. Best surf window around 15:00 — fair (2.5/5) with 3 km/h E wind.
Snapshot refreshed hourly — the live hourly forecast below updates in real time.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~21.5°C (70.7°F) on average
Jan
26.7°C
80.1°F · 24.7–29.2°C
Feb
27.2°C
81°F · 25.3–29.6°C
Mar
26.6°C
79.9°F · 24.4–28.9°C
Apr
25.2°C
77.4°F · 22.9–27.2°C
May
22.8°C
73°F · 21.1–26.5°C
Jun
20.9°C
69.6°F · 18.3–23.8°C
Jul
19.3°C
66.7°F · 16.2–22.6°C
Aug
19.1°C
66.4°F · 16.7–21.4°C
Sep
20.1°C
68.2°F · 18.2–23.1°C
Oct
21.5°C
70.7°F · 18.8–24.6°C
Nov
23.3°C
73.9°F · 20.8–24.9°C
Dec
25.4°C
77.7°F · 23.4–27.2°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
NW–E
Best wind
S–SW
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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