Harlech surf forecast from 22 Aug 2026:
- Best quality surf: Thursday 27 Aug, 4PM (local time) - 5ft (1.6m), 5s period, WSW swell with glassy winds.
- Most powerful swell: Thursday 27 Aug, 7PM (local time) - 5ft (1.5m), 7s period, WSW swell with 210 kJ wave energy.
- Next surfable swell (1★+): Thursday 27 Aug, 4PM (local time) - 5ft (1.6m), 5s period with WSW swell.
Best Forecast Surf Conditions for Harlech this week:
The surf forecast for Harlech over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 27) at 4PM. The primary swell is predicted to be 1.6m and 5s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Harlech in the next 16 days are 1.5m 7s and forecast to arrive on Thursday (Aug 27) at 7PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Tuesday (Aug 25) at 10PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4PM (Thu 27th Aug) | 5ft (1.6m) 5s |
| Best Surf | 4PM (Thu 27th Aug) | 5ft (1.6m) 5s |
| Most Powerful | 7PM (Thu 27th Aug) | 5ft (1.5m) 7s |
Table - best surf conditions forecast for Harlech 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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