Cat Bay (Shelly Beach) Surf Break

Lat Long: 38.51° S 145.13° E

Cat Bay (Shelly Beach) WaveFinder

Issued: 3 am 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's Cat Bay (Shelly Beach) sea temperature is
13.6°C
0.9° 

Cat Bay (Shelly Beach) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Cat Bay (Shelly Beach) surf forecast from 7 Sep 2026:

  • Best quality surf: Friday 11 Sep, 1AM (local time) - 8ft (2.4m), 15s period, SW swell with cross-offshore winds.
  • Most powerful swell: Wednesday 9 Sep, 1PM (local time) - 11ft (3.5m), 19s period, SW swell with 9,306 kJ wave energy.
  • Next surfable swell (1★+): Friday 11 Sep, 1AM (local time) - 8ft (2.4m), 15s period with SW swell.

Best Forecast Surf Conditions for Cat Bay (Shelly Beach) this week:

The surf forecast for Cat Bay (Shelly Beach) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 11) at 1AM. The primary swell is predicted to be 2.4m and 15s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Cat Bay (Shelly Beach) in the next 16 days are 3.5m 19s and forecast to arrive on Wednesday (Sep 09) at 1PM. Winds are predicted to be cross-offshore at the time the swell arrives.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Fri 11th Sep)8ft (2.4m) 15s
Best Surf 1AM (Fri 11th Sep)8ft (2.4m) 15s
Most Powerful 1PM (Wed 9th Sep)11ft (3.5m) 19s

Table - best surf conditions forecast for Cat Bay (Shelly Beach) 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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