Katahama surf forecast from 7 Oct 2026:
- Best quality surf: Saturday 10 Oct, 6PM (local time) - 6.5ft (2.0m), 12s period, ESE swell with glassy winds.
- Most powerful swell: Tuesday 13 Oct, 3AM (local time) - 6ft (1.8m), 16s period, SE swell with 1,513 kJ wave energy.
- Next surfable swell (1★+): Thursday 8 Oct, 12AM (local time) - 5ft (1.5m), 12s period with E 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 Thursday (Oct 08) at 12AM. The primary swell is predicted to be 1.5m and 12s period with a secondary swell of 0.2m and 20s. Another secondary swell of 1.0m and 5s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Katahama in the next 16 days are 1.8m 16s and forecast to arrive on Tuesday (Oct 13) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 10s period and expected on Tuesday (Oct 13) at 12AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Thu 8th Oct) | 5ft (1.5m) 12s |
| Best Surf | 6PM (Sat 10th Oct) | 6.5ft (2.0m) 12s |
| Most Powerful | 3AM (Tue 13th Oct) | 6ft (1.8m) 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)
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