St Marys Rivermouth surf forecast from 30 Aug 2026:
- Best quality surf: Tuesday 1 Sep, 5AM (local time) - 2ft (0.6m), 8s period, E swell with glassy winds.
- Most powerful swell: Wednesday 2 Sep, 2PM (local time) - 2.5ft (0.8m), 11s period, ESE swell with 150 kJ wave energy.
- Next surfable swell (1★+): Tuesday 1 Sep, 5AM (local time) - 2ft (0.6m), 8s period with E swell.
Best Forecast Surf Conditions for St Marys Rivermouth this week:
The surf forecast for St Marys Rivermouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 01) at 5AM. The primary swell is predicted to be 0.6m and 8s period with a secondary swell of 0.1m and 9s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at St Marys Rivermouth in the next 16 days are 0.8m 11s and forecast to arrive on Wednesday (Sep 02) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 11s period and expected on Wednesday (Sep 02) at 8AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Tue 1st Sep) | 2ft (0.6m) 8s |
| Best Surf | 5AM (Tue 1st Sep) | 2ft (0.6m) 8s |
| Most Powerful | 2PM (Wed 2nd Sep) | 2.5ft (0.8m) 11s |
Table - best surf conditions forecast for St Marys 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)
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