Catlins River Mouth surf forecast from 22 Aug 2026:
- Best quality surf: Sunday 23 Aug, 6PM (local time) - 13ft (4.0m), 14s period, SW swell with cross-offshore winds.
- Most powerful swell: Monday 24 Aug, 3AM (local time) - 18ft (5.5m), 14s period, SW swell with 12,376 kJ wave energy.
- Next surfable swell (1★+): Saturday 22 Aug, 3PM (local time) - 1.5ft (0.5m), 16s period with SSW swell.
Best Forecast Surf Conditions for Catlins River Mouth this week:
The surf forecast for Catlins River Mouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 22) at 3PM. The primary swell is predicted to be 0.5m and 16s period with a secondary swell of 0.4m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Catlins River Mouth in the next 16 days are 5.5m 14s and forecast to arrive on Monday (Aug 24) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Thursday (Aug 27) at 3PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Sat 22nd Aug) | 1.5ft (0.5m) 16s |
| Best Surf | 6PM (Sun 23rd Aug) | 13ft (4.0m) 14s |
| Most Powerful | 3AM (Mon 24th Aug) | 18ft (5.5m) 14s |
Table - best surf conditions forecast for Catlins River Mouth 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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