Prainha Surf Break

Lat Long: 29.47° S 49.82° W

Prainha WaveFinder

Issued: 8 pm 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's Prainha sea temperature is
16.3°C
1.1° 

Prainha surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Prainha surf forecast from 14 Sep 2026:

  • Best quality surf: Monday 14 Sep, 3AM (local time) - 4ft (1.2m), 11s period, S swell with cross-offshore winds.
  • Most powerful swell: Wednesday 16 Sep, 6PM (local time) - 6.5ft (2.0m), 10s period, S swell with 867 kJ wave energy.
  • Next surfable swell (1★+): Monday 14 Sep, 3AM (local time) - 4ft (1.2m), 11s period with S swell.

Best Forecast Surf Conditions for Prainha this week:

The surf forecast for Prainha over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 14) at 3AM. The primary swell is predicted to be 1.2m and 11s period with a secondary swell of 0.8m and 7s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Prainha in the next 16 days are 2.0m 10s and forecast to arrive on Wednesday (Sep 16) at 6PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 8s period and expected on Sunday (Sep 20) at 3AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Mon 14th Sep)4ft (1.2m) 11s
Best Surf 3AM (Mon 14th Sep)4ft (1.2m) 11s
Most Powerful 6PM (Wed 16th Sep)6.5ft (2.0m) 10s

Table - best surf conditions forecast for Prainha over the next 16 days.


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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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