Grumari surf forecast from 25 Aug 2026:
- Best quality surf: Wednesday 26 Aug, 3AM (local time) - 7ft (2.1m), 13s period, S swell with glassy winds.
- Most powerful swell: Tuesday 25 Aug, 6AM (local time) - 8ft (2.5m), 14s period, S swell with 2,918 kJ wave energy.
- Next surfable swell (1★+): Wednesday 26 Aug, 3AM (local time) - 7ft (2.1m), 13s period with S swell.
Best Forecast Surf Conditions for Grumari this week:
The surf forecast for Grumari over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 26) at 3AM. The primary swell is predicted to be 2.1m and 13s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Grumari in the next 16 days are 2.5m 14s and forecast to arrive on Tuesday (Aug 25) at 6AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 8s period and expected on Saturday (Aug 29) at 12AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Wed 26th Aug) | 7ft (2.1m) 13s |
| Best Surf | 3AM (Wed 26th Aug) | 7ft (2.1m) 13s |
| Most Powerful | 6AM (Tue 25th Aug) | 8ft (2.5m) 14s |
Table - best surf conditions forecast for Grumari 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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