Backdoor Surf Break

Lat Long: 21.67° N 158.05° W

Backdoor WaveFinder

Issued: 7 pm 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Backdoor sea temperature is
26.8°C
0.1° 

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


Backdoor surf forecast from 22 Aug 2026:

  • Most powerful swell: Sunday 23 Aug, 2AM (local time) - 2.5ft (0.8m), 12s period, WNW swell with 164 kJ wave energy.

Best Forecast Surf Conditions for Backdoor this week:

The most powerful waves expected at Backdoor in the next 16 days are 0.8m 12s and forecast to arrive on Sunday (Aug 23) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 7s period and expected on Saturday (Aug 22) at 11PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 2AM (Sun 23rd Aug)2.5ft (0.8m) 12s

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)
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