Porthtowan surf forecast from 6 Oct 2026:
- Best quality surf: Sunday 11 Oct, 10AM (local time) - 4.5ft (1.3m), 12s period, WNW swell with glassy winds.
- Most powerful swell: Friday 9 Oct, 10PM (local time) - 10ft (3.0m), 10s period, WNW swell with 1,654 kJ wave energy.
- Next surfable swell (1★+): Sunday 11 Oct, 10AM (local time) - 4.5ft (1.3m), 12s period with WNW swell.
Best Forecast Surf Conditions for Porthtowan this week:
The surf forecast for Porthtowan over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Oct 11) at 10AM. The primary swell is predicted to be 1.3m and 12s period with a secondary swell of 0.5m and 5s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Porthtowan in the next 16 days are 3.0m 10s and forecast to arrive on Friday (Oct 09) at 10PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 7s period and expected on Tuesday (Oct 13) at 7AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Sun 11th Oct) | 4.5ft (1.3m) 12s |
| Best Surf | 10AM (Sun 11th Oct) | 4.5ft (1.3m) 12s |
| Most Powerful | 10PM (Fri 9th Oct) | 10ft (3.0m) 10s |
Table - best surf conditions forecast for Porthtowan 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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