Prainha surf forecast from 15 Sep 2026:
- Best quality surf: Monday 21 Sep, 12AM (local time) - 8ft (2.5m), 8s period, E swell with cross-offshore winds.
- Most powerful swell: Monday 21 Sep, 12AM (local time) - 8ft (2.5m), 8s period, E swell with 897 kJ wave energy.
- Next surfable swell (1★+): Tuesday 15 Sep, 12AM (local time) - 3ft (0.9m), 12s period with SSW 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 Tuesday (Sep 15) at 12AM. The primary swell is predicted to be 0.9m and 12s period with a secondary swell of 0.8m and 8s. 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 2.5m 8s and forecast to arrive on Monday (Sep 21) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Tuesday (Sep 15) at 12AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Tue 15th Sep) | 3ft (0.9m) 12s |
| Best Surf | 12AM (Mon 21st Sep) | 8ft (2.5m) 8s |
| Most Powerful | 12AM (Mon 21st Sep) | 8ft (2.5m) 8s |
Table - best surf conditions forecast for Prainha over the next 16 days.
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Nearest