Port St Johns surf forecast from 13 Sep 2026:
- Best quality surf: Monday 14 Sep, 5AM (local time) - 10ft (3.0m), 9s period, E swell with cross-shore winds.
- Most powerful swell: Monday 14 Sep, 8PM (local time) - 15ft (4.5m), 10s period, ENE swell with 3,931 kJ wave energy.
- Next surfable swell (1★+): Monday 14 Sep, 5AM (local time) - 10ft (3.0m), 9s period with E swell.
Best Forecast Surf Conditions for Port St Johns this week:
The surf forecast for Port St Johns over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 14) at 5AM. The primary swell is predicted to be 3.0m and 9s period with a secondary swell of 0.8m and 14s. Another secondary swell of 0.2m and 9s is also forecast. The wind is predicted to be cross-shore as the swell arrives.
The most powerful waves expected at Port St Johns in the next 16 days are 4.5m 10s and forecast to arrive on Monday (Sep 14) at 8PM. 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 Sunday (Sep 20) at 5AM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Mon 14th Sep) | 10ft (3.0m) 9s |
| Best Surf | 5AM (Mon 14th Sep) | 10ft (3.0m) 9s |
| Most Powerful | 8PM (Mon 14th Sep) | 15ft (4.5m) 10s |
Table - best surf conditions forecast for Port St Johns 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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