Nai Harn Beach surf forecast from 7 Jul 2026:
- Most powerful swell: Monday 13 Jul, 4AM (local time) - 8ft (2.5m), 8s period, W swell with 877 kJ wave energy.
Best Forecast Surf Conditions for Nai Harn Beach this week:
The most powerful waves expected at Nai Harn Beach in the next 16 days are 2.5m 8s and forecast to arrive on Monday (Jul 13) at 4AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 7s period and expected on Friday (Jul 10) at 4AM.
| Wave Type | Time (+07) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4AM (Mon 13th Jul) | 8ft (2.5m) 8s |
Table - best surf conditions forecast for Nai Harn Beach 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