Cape Northumberland surf forecast from 8 Sep 2026:
- Best quality surf: Wednesday 9 Sep, 6AM (local time) - 13ft (4.0m), 16s period, SW swell with cross-onshore winds.
- Most powerful swell: Wednesday 9 Sep, 9AM (local time) - 18ft (5.5m), 19s period, SW swell with 20,074 kJ wave energy.
- Next surfable swell (1★+): Wednesday 9 Sep, 6AM (local time) - 13ft (4.0m), 16s period with SW swell.
Best Forecast Surf Conditions for Cape Northumberland this week:
The surf forecast for Cape Northumberland over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 09) at 6AM. The primary swell is predicted to be 4.0m and 16s period with a secondary swell of 2.5m and 20s. Another secondary swell of 2.5m and 20s is also forecast. The wind is predicted to be cross-onshore as the swell arrives.
The most powerful waves expected at Cape Northumberland in the next 16 days are 5.5m 19s and forecast to arrive on Wednesday (Sep 09) at 9AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Sunday (Sep 13) at 3AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Wed 9th Sep) | 13ft (4.0m) 16s |
| Best Surf | 6AM (Wed 9th Sep) | 13ft (4.0m) 16s |
| Most Powerful | 9AM (Wed 9th Sep) | 18ft (5.5m) 19s |
Table - best surf conditions forecast for Cape Northumberland 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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