Unawatuna surf forecast from 6 Sep 2026:
- Best quality surf: Monday 7 Sep, 2AM (local time) - 3ft (0.9m), 11s period, S swell with cross-offshore winds.
- Most powerful swell: Saturday 12 Sep, 11AM (local time) - 6ft (1.9m), 18s period, SSW swell with 2,162 kJ wave energy.
- Next surfable swell (1★+): Monday 7 Sep, 2AM (local time) - 3ft (0.9m), 11s period with S swell.
Best Forecast Surf Conditions for Unawatuna this week:
The surf forecast for Unawatuna over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 07) at 2AM. The primary swell is predicted to be 0.9m and 11s period with a secondary swell of 0.4m and 16s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Unawatuna in the next 16 days are 1.9m 18s and forecast to arrive on Saturday (Sep 12) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Monday (Sep 14) at 2AM.
| Wave Type | Time (+0530) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Mon 7th Sep) | 3ft (0.9m) 11s |
| Best Surf | 2AM (Mon 7th Sep) | 3ft (0.9m) 11s |
| Most Powerful | 11AM (Sat 12th Sep) | 6ft (1.9m) 18s |
Table - best surf conditions forecast for Unawatuna 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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