Flat Rocks Beach (WA) surf forecast from 22 Aug 2026:
- Best quality surf: Wednesday 26 Aug, 5PM (local time) - 13ft (4.0m), 18s period, SW swell with cross-onshore winds.
- Most powerful swell: Wednesday 26 Aug, 5PM (local time) - 13ft (4.0m), 18s period, SW swell with 10,228 kJ wave energy.
- Next surfable swell (1★+): Monday 24 Aug, 8AM (local time) - 7ft (2.1m), 16s period with SW swell.
Best Forecast Surf Conditions for Flat Rocks Beach (WA) this week:
The surf forecast for Flat Rocks Beach (WA) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 24) at 8AM. The primary swell is predicted to be 2.1m and 16s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Flat Rocks Beach (WA) in the next 16 days are 4.0m 18s and forecast to arrive on Wednesday (Aug 26) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Friday (Aug 28) at 8AM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Mon 24th Aug) | 7ft (2.1m) 16s |
| Best Surf | 5PM (Wed 26th Aug) | 13ft (4.0m) 18s |
| Most Powerful | 5PM (Wed 26th Aug) | 13ft (4.0m) 18s |
Table - best surf conditions forecast for Flat Rocks Beach (WA) 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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