Lopes Mendes (Ilha Grande) surf forecast from 22 Aug 2026:
- Best quality surf: Tuesday 25 Aug, 6AM (local time) - 8ft (2.5m), 14s period, S swell with offshore winds.
- Most powerful swell: Tuesday 25 Aug, 12AM (local time) - 8ft (2.5m), 14s period, S swell with 2,968 kJ wave energy.
- Next surfable swell (1★+): Saturday 22 Aug, 9AM (local time) - 6ft (1.9m), 10s period with SSW swell.
Best Forecast Surf Conditions for Lopes Mendes (Ilha Grande) this week:
The surf forecast for Lopes Mendes (Ilha Grande) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 22) at 9AM. The primary swell is predicted to be 1.9m and 10s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Lopes Mendes (Ilha Grande) in the next 16 days are 2.5m 14s and forecast to arrive on Tuesday (Aug 25) 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 1.5m 6s period and expected on Friday (Aug 28) at 12AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Sat 22nd Aug) | 6ft (1.9m) 10s |
| Best Surf | 6AM (Tue 25th Aug) | 8ft (2.5m) 14s |
| Most Powerful | 12AM (Tue 25th Aug) | 8ft (2.5m) 14s |
Table - best surf conditions forecast for Lopes Mendes (Ilha Grande) 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)
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