Rivermouth surf forecast from 22 Aug 2026:
- Best quality surf: Sunday 23 Aug, 2AM (local time) - 10ft (3.0m), 10s period, SW swell with cross-offshore winds.
- Most powerful swell: Wednesday 26 Aug, 8PM (local time) - 10ft (3.0m), 17s period, S swell with 4,241 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 2AM (local time) - 10ft (3.0m), 10s period with SW swell.
Best Forecast Surf Conditions for Rivermouth this week:
The surf forecast for Rivermouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 23) at 2AM. The primary swell is predicted to be 3.0m and 10s period with a secondary swell of 2.2m and 10s. Another secondary swell of 0.2m and 8s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Rivermouth in the next 16 days are 3.0m 17s and forecast to arrive on Wednesday (Aug 26) at 8PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 10s period and expected on Saturday (Aug 29) at 11PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Sun 23rd Aug) | 10ft (3.0m) 10s |
| Best Surf | 2AM (Sun 23rd Aug) | 10ft (3.0m) 10s |
| Most Powerful | 8PM (Wed 26th Aug) | 10ft (3.0m) 17s |
Table - best surf conditions forecast for Rivermouth 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)
