J-Bay surf forecast from 21 Aug 2026:
- Best quality surf: Tuesday 25 Aug, 5AM (local time) - 10ft (3.0m), 15s period, SW swell with offshore winds.
- Most powerful swell: Tuesday 25 Aug, 11AM (local time) - 10ft (3.0m), 14s period, SW swell with 3,469 kJ wave energy.
- Next surfable swell (1★+): Saturday 22 Aug, 5AM (local time) - 5.5ft (1.7m), 12s period with SSW swell.
Best Forecast Surf Conditions for J-Bay this week:
The surf forecast for J-Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 22) at 5AM. The primary swell is predicted to be 1.7m and 12s period with a secondary swell of 1.2m and 11s. Another secondary swell of 0.6m and 4s is also forecast. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at J-Bay in the next 16 days are 3.0m 14s and forecast to arrive on Tuesday (Aug 25) at 11AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 10s period and expected on Friday (Aug 28) at 8PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Sat 22nd Aug) | 5.5ft (1.7m) 12s |
| Best Surf | 5AM (Tue 25th Aug) | 10ft (3.0m) 15s |
| Most Powerful | 11AM (Tue 25th Aug) | 10ft (3.0m) 14s |
Table - best surf conditions forecast for J-Bay 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)
