Sumner Bar surf forecast from 22 Aug 2026:
- Best quality surf: Monday 24 Aug, 6AM (local time) - 1.5ft (0.4m), 15s period, SSE swell with glassy winds.
- Most powerful swell: Saturday 29 Aug, 6AM (local time) - 3ft (0.9m), 9s period, NE swell with 115 kJ wave energy.
- Next surfable swell (1★+): Monday 24 Aug, 6AM (local time) - 1.5ft (0.4m), 15s period with SSE swell.
Best Forecast Surf Conditions for Sumner Bar this week:
The surf forecast for Sumner Bar over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 24) at 6AM. The primary swell is predicted to be 0.4m and 15s period with a secondary swell of 0.2m and 14s. Another secondary swell of 0.2m and 2s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Sumner Bar in the next 16 days are 0.9m 9s and forecast to arrive on Saturday (Aug 29) 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 0.9m 4s period and expected on Sunday (Aug 23) at 3PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Mon 24th Aug) | 1.5ft (0.4m) 15s |
| Best Surf | 6AM (Mon 24th Aug) | 1.5ft (0.4m) 15s |
| Most Powerful | 6AM (Sat 29th Aug) | 3ft (0.9m) 9s |
Table - best surf conditions forecast for Sumner Bar 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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