Similan Islands surf forecast from 12 Oct 2026:
- Best quality surf: Thursday 15 Oct, 7PM (local time) - 2ft (0.6m), 16s period, SW swell with glassy winds.
- Most powerful swell: Friday 16 Oct, 4PM (local time) - 2.5ft (0.7m), 16s period, SW swell with 245 kJ wave energy.
- Next surfable swell (1★+): Tuesday 13 Oct, 7AM (local time) - 1ft (0.3m), 13s period with SW swell.
Best Forecast Surf Conditions for Similan Islands this week:
The surf forecast for Similan Islands over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Oct 13) at 7AM. The primary swell is predicted to be 0.3m and 13s period with a secondary swell of 0.4m and 5s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Similan Islands in the next 16 days are 0.7m 16s and forecast to arrive on Friday (Oct 16) at 4PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.1m 4s period and expected on Tuesday (Oct 13) at 10AM.
| Wave Type | Time (+07) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Tue 13th Oct) | 1ft (0.3m) 13s |
| Best Surf | 7PM (Thu 15th Oct) | 2ft (0.6m) 16s |
| Most Powerful | 4PM (Fri 16th Oct) | 2.5ft (0.7m) 16s |
Table - best surf conditions forecast for Similan Islands 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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