Backdoor surf forecast from 21 Aug 2026:
- Best quality surf: Friday 21 Aug, 11PM (local time) - 4ft (1.2m), 15s period, SSW swell with cross-offshore winds.
- Most powerful swell: Friday 28 Aug, 8AM (local time) - 10ft (3.0m), 18s period, SSE swell with 5,266 kJ wave energy.
- Next surfable swell (1★+): Friday 21 Aug, 11PM (local time) - 4ft (1.2m), 15s period with SSW swell.
Best Forecast Surf Conditions for Backdoor this week:
The surf forecast for Backdoor over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 21) at 11PM. The primary swell is predicted to be 1.2m and 15s period with a secondary swell of 0.8m and 8s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Backdoor in the next 16 days are 3.0m 18s and forecast to arrive on Friday (Aug 28) at 8AM. 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 Sunday (Aug 23) at 2AM.
| Wave Type | Time (CAT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Fri 21st Aug) | 4ft (1.2m) 15s |
| Best Surf | 11PM (Fri 21st Aug) | 4ft (1.2m) 15s |
| Most Powerful | 8AM (Fri 28th Aug) | 10ft (3.0m) 18s |
Table - best surf conditions forecast for Backdoor 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)
Nearest