Llanddwyn Island surf forecast from 7 Oct 2026:
- Best quality surf: Tuesday 13 Oct, 7PM (local time) - 2.5ft (0.8m), 8s period, SW swell with cross-offshore winds.
- Most powerful swell: Tuesday 13 Oct, 7AM (local time) - 7.5ft (2.3m), 8s period, SW swell with 669 kJ wave energy.
- Next surfable swell (1★+): Tuesday 13 Oct, 7PM (local time) - 2.5ft (0.8m), 8s period with SW swell.
Best Forecast Surf Conditions for Llanddwyn Island this week:
The surf forecast for Llanddwyn Island over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Oct 13) at 7PM. The primary swell is predicted to be 0.8m and 8s period with a secondary swell of 0.2m and 4s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Llanddwyn Island in the next 16 days are 2.3m 8s and forecast to arrive on Tuesday (Oct 13) at 7AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Wednesday (Oct 07) at 10PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Tue 13th Oct) | 2.5ft (0.8m) 8s |
| Best Surf | 7PM (Tue 13th Oct) | 2.5ft (0.8m) 8s |
| Most Powerful | 7AM (Tue 13th Oct) | 7.5ft (2.3m) 8s |
Table - best surf conditions forecast for Llanddwyn Island 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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