Lopes Mendes (Ilha Grande) surf forecast from 8 Jul 2026:
- Best quality surf: Thursday 9 Jul, 6AM (local time) - 4ft (1.2m), 9s period, SSW swell with offshore winds.
- Most powerful swell: Tuesday 14 Jul, 6AM (local time) - 8ft (2.5m), 10s period, SSW swell with 1,152 kJ wave energy.
- Next surfable swell (1★+): Wednesday 8 Jul, 9PM (local time) - 3.5ft (1.0m), 10s period with SE 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 Wednesday (Jul 08) at 9PM. The primary swell is predicted to be 1.2m and 8s period with a secondary swell of 1.0m and 10s. 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 10s and forecast to arrive on Tuesday (Jul 14) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 5s period and expected on Sunday (Jul 12) at 3PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Wed 8th Jul) | 3.5ft (1.0m) 10s |
| Best Surf | 6AM (Thu 9th Jul) | 4ft (1.2m) 9s |
| Most Powerful | 6AM (Tue 14th Jul) | 8ft (2.5m) 10s |
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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