Castles surf forecast from 21 Aug 2026:
- Best quality surf: Saturday 22 Aug, 9AM (local time) - 5ft (1.6m), 15s period, SW swell with cross-offshore winds.
- Most powerful swell: Thursday 27 Aug, 6PM (local time) - 8ft (2.4m), 18s period, SW swell with 3,483 kJ wave energy.
- Next surfable swell (1★+): Saturday 22 Aug, 9AM (local time) - 5ft (1.6m), 15s period with SW swell.
Best Forecast Surf Conditions for Castles this week:
The surf forecast for Castles over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 22) at 9AM. The primary swell is predicted to be 1.6m and 15s period with a secondary swell of 0.3m and 23s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Castles in the next 16 days are 2.4m 18s and forecast to arrive on Thursday (Aug 27) at 6PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Monday (Aug 24) at 9AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Sat 22nd Aug) | 5ft (1.6m) 15s |
| Best Surf | 9AM (Sat 22nd Aug) | 5ft (1.6m) 15s |
| Most Powerful | 6PM (Thu 27th Aug) | 8ft (2.4m) 18s |
Table - best surf conditions forecast for Castles 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