Newcastle -The Harbour surf forecast from 23 Aug 2026:
- Best quality surf: Tuesday 25 Aug, 4PM (local time) - 3.5ft (1.1m), 7s period, ENE swell with glassy winds.
- Most powerful swell: Tuesday 25 Aug, 7AM (local time) - 4.5ft (1.3m), 6s period, NE swell with 128 kJ wave energy.
- Next surfable swell (1★+): Tuesday 25 Aug, 4PM (local time) - 3.5ft (1.1m), 7s period with ENE swell.
Best Forecast Surf Conditions for Newcastle -The Harbour this week:
The surf forecast for Newcastle -The Harbour over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 25) at 4PM. The primary swell is predicted to be 1.1m and 7s period with a secondary swell of 0.8m and 7s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Newcastle -The Harbour in the next 16 days are 1.3m 6s and forecast to arrive on Tuesday (Aug 25) at 7AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 8s period and expected on Thursday (Aug 27) at 7AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4PM (Tue 25th Aug) | 3.5ft (1.1m) 7s |
| Best Surf | 4PM (Tue 25th Aug) | 3.5ft (1.1m) 7s |
| Most Powerful | 7AM (Tue 25th Aug) | 4.5ft (1.3m) 6s |
Table - best surf conditions forecast for Newcastle -The Harbour 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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