Porth Dinllaen surf forecast from 9 Oct 2026:
- Most powerful swell: Thursday 15 Oct, 1AM (local time) - 10ft (3.0m), 9s period, WSW swell with 1,431 kJ wave energy.
Best Forecast Surf Conditions for Porth Dinllaen this week:
The most powerful waves expected at Porth Dinllaen in the next 16 days are 3.0m 9s and forecast to arrive on Thursday (Oct 15) at 1AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Sunday (Oct 11) at 10PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 1AM (Thu 15th Oct) | 10ft (3.0m) 9s |
Table - best surf conditions forecast for Porth Dinllaen 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