San Juan surf forecast from 12 Jul 2026:
- Most powerful swell: Sunday 19 Jul, 8PM (local time) - 8ft (2.5m), 9s period, W swell with 1,306 kJ wave energy.
Best Forecast Surf Conditions for San Juan this week:
The most powerful waves expected at San Juan in the next 16 days are 2.5m 9s and forecast to arrive on Sunday (Jul 19) 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 3.0m 9s period and expected on Sunday (Jul 19) at 11AM.
| Wave Type | Time (PST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8PM (Sun 19th Jul) | 8ft (2.5m) 9s |
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