Backdoor 4 Surf Break

Lat Long: 33.28° S 151.57° E

Backdoor 4 WaveFinder

Issued: 9 am 22 Aug 2026 (local time)

Forecast update in  hr  min

Today's Backdoor 4 sea temperature is
17.5° C
0.7° 

Backdoor 4 surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Backdoor 4 surf forecast from 22 Aug 2026:

  • Best quality surf: Wednesday 26 Aug, 10AM (local time) - 4ft (1.2m), 8s period, ENE swell with cross-offshore winds.
  • Most powerful swell: Sunday 23 Aug, 10AM (local time) - 4.5ft (1.4m), 10s period, S swell with 402 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 26 Aug, 10AM (local time) - 4ft (1.2m), 8s period with ENE swell.

Best Forecast Surf Conditions for Backdoor 4 this week:

The surf forecast for Backdoor 4 over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 26) at 10AM. The primary swell is predicted to be 1.2m and 8s period with a secondary swell of 0.3m and 11s. Another secondary swell of 0.4m and 3s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Backdoor 4 in the next 16 days are 1.4m 10s and forecast to arrive on Sunday (Aug 23) at 10AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Thursday (Aug 27) at 4AM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+)10AM (Wed 26th Aug)4ft (1.2m) 8s
Best Surf10AM (Wed 26th Aug)4ft (1.2m) 8s
Most Powerful10AM (Sun 23rd Aug)4.5ft (1.4m) 10s

Table - best surf conditions forecast for Backdoor 4 over the next 16 days.


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  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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