Castlepoint - Slippery surf forecast from 26 Aug 2026:
- Best quality surf: Monday 31 Aug, 6AM (local time) - 10ft (3.0m), 8s period, SSW swell with offshore winds.
- Most powerful swell: Tuesday 1 Sep, 12PM (local time) - 10ft (3.0m), 13s period, S swell with 3,267 kJ wave energy.
- Next surfable swell (1★+): Friday 28 Aug, 6AM (local time) - 5ft (1.5m), 13s period with S swell.
Best Forecast Surf Conditions for Castlepoint - Slippery this week:
The surf forecast for Castlepoint - Slippery over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 28) at 6AM. The primary swell is predicted to be 1.5m and 13s period with a secondary swell of 0.8m and 6s. Another secondary swell of 1.2m and 6s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Castlepoint - Slippery in the next 16 days are 3.0m 13s and forecast to arrive on Tuesday (Sep 01) at 12PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Sunday (Aug 30) at 9PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Fri 28th Aug) | 5ft (1.5m) 13s |
| Best Surf | 6AM (Mon 31st Aug) | 10ft (3.0m) 8s |
| Most Powerful | 12PM (Tue 1st Sep) | 10ft (3.0m) 13s |
Table - best surf conditions forecast for Castlepoint - Slippery 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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