Extensions Surf Break

Lat Long: 34.34° S 18.46° E

Extensions WaveFinder

Issued: 7 pm 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Extensions sea temperature is
14.7° C
1.1° 

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


Extensions surf forecast from 21 Aug 2026:

  • Best quality surf: Saturday 22 Aug, 11PM (local time) - 6.5ft (2.0m), 12s period, SW swell with glassy winds.
  • Most powerful swell: Tuesday 25 Aug, 8AM (local time) - 8ft (2.5m), 14s period, SW swell with 2,557 kJ wave energy.
  • Next surfable swell (1★+): Saturday 22 Aug, 11PM (local time) - 6.5ft (2.0m), 12s period with SW swell.

Best Forecast Surf Conditions for Extensions this week:

The surf forecast for Extensions over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 22) at 11PM. The primary swell is predicted to be 2.0m and 12s period with a secondary swell of 0.9m and 15s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Extensions in the next 16 days are 2.5m 14s and forecast to arrive on Tuesday (Aug 25) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 7s period and expected on Tuesday (Aug 25) at 11PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Sat 22nd Aug)6.5ft (2.0m) 12s
Best Surf11PM (Sat 22nd Aug)6.5ft (2.0m) 12s
Most Powerful 8AM (Tue 25th Aug)8ft (2.5m) 14s

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


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