Harlech surf forecast from 6 Oct 2026:
- Most powerful swell: Tuesday 13 Oct, 7AM (local time) - 7ft (2.1m), 10s period, SW swell with 940 kJ wave energy.
Best Forecast Surf Conditions for Harlech this week:
The most powerful waves expected at Harlech in the next 16 days are 2.1m 10s and forecast to arrive on Tuesday (Oct 13) at 7AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 4s period and expected on Tuesday (Oct 13) at 1AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7AM (Tue 13th Oct) | 7ft (2.1m) 10s |
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)
Nearest