San Juan surf forecast from 18 Oct 2026:
- Best quality surf: Saturday 24 Oct, 5AM (local time) - 11ft (3.5m), 12s period, NNW swell with glassy winds.
- Most powerful swell: Saturday 24 Oct, 11AM (local time) - 11ft (3.5m), 13s period, NNW swell with 3,462 kJ wave energy.
- Next surfable swell (1★+): Saturday 24 Oct, 5AM (local time) - 11ft (3.5m), 12s period with NNW swell.
Best Forecast Surf Conditions for San Juan this week:
The surf forecast for San Juan over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Oct 24) at 5AM. The primary swell is predicted to be 3.5m and 12s period with a secondary swell of 0.2m and 20s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at San Juan in the next 16 days are 3.5m 13s and forecast to arrive on Saturday (Oct 24) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives.
| Wave Type | Time (PST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Sat 24th Oct) | 11ft (3.5m) 12s |
| Best Surf | 5AM (Sat 24th Oct) | 11ft (3.5m) 12s |
| Most Powerful | 11AM (Sat 24th Oct) | 11ft (3.5m) 13s |
Table - best surf conditions forecast for San Juan 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)
Nearest