Porth Colmon surf forecast from 30 Aug 2026:
- Best quality surf: Monday 31 Aug, 7PM (local time) - 3ft (0.9m), 8s period, SW swell with cross-offshore winds.
- Most powerful swell: Wednesday 2 Sep, 10PM (local time) - 7ft (2.1m), 7s period, SW swell with 398 kJ wave energy.
- Next surfable swell (1★+): Monday 31 Aug, 7PM (local time) - 3ft (0.9m), 8s period with SW swell.
Best Forecast Surf Conditions for Porth Colmon this week:
The surf forecast for Porth Colmon over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 31) at 7PM. The primary swell is predicted to be 0.9m and 8s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Porth Colmon in the next 16 days are 2.1m 7s and forecast to arrive on Wednesday (Sep 02) at 10PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Wednesday (Sep 02) at 7AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Mon 31st Aug) | 3ft (0.9m) 8s |
| Best Surf | 7PM (Mon 31st Aug) | 3ft (0.9m) 8s |
| Most Powerful | 10PM (Wed 2nd Sep) | 7ft (2.1m) 7s |
Table - best surf conditions forecast for Porth Colmon 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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