Katahama surf forecast from 6 Oct 2026:
- Best quality surf: Wednesday 7 Oct, 3AM (local time) - 13ft (4.0m), 16s period, SE swell with onshore winds.
- Most powerful swell: Wednesday 7 Oct, 3AM (local time) - 13ft (4.0m), 16s period, SE swell with 9,040 kJ wave energy.
- Next surfable swell (1★+): Wednesday 7 Oct, 3AM (local time) - 13ft (4.0m), 16s period with SE swell.
Best Forecast Surf Conditions for Katahama this week:
The surf forecast for Katahama over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Oct 07) at 3AM. The primary swell is predicted to be 4.0m and 16s period. The wind is predicted to be onshore as the swell arrives.
The most powerful waves expected at Katahama in the next 16 days are 4.0m 16s and forecast to arrive on Wednesday (Oct 07) at 3AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 10s period and expected on Monday (Oct 12) at 12PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Wed 7th Oct) | 13ft (4.0m) 16s |
| Best Surf | 3AM (Wed 7th Oct) | 13ft (4.0m) 16s |
| Most Powerful | 3AM (Wed 7th Oct) | 13ft (4.0m) 16s |
Table - best surf conditions forecast for Katahama 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)
