Katahama surf forecast from 7 Jul 2026:
- Best quality surf: Friday 10 Jul, 12PM (local time) - 10ft (3.0m), 16s period, S swell with cross-onshore winds.
- Most powerful swell: Friday 10 Jul, 12PM (local time) - 10ft (3.0m), 16s period, S swell with 4,824 kJ wave energy.
- Next surfable swell (1★+): Wednesday 8 Jul, 6PM (local time) - 7ft (2.2m), 16s period with SSE 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 (Jul 08) at 6PM. The primary swell is predicted to be 2.2m and 16s period with a secondary swell of 0.8m and 8s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Katahama in the next 16 days are 3.0m 16s and forecast to arrive on Friday (Jul 10) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.0m 16s period and expected on Saturday (Jul 11) at 3AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Wed 8th Jul) | 7ft (2.2m) 16s |
| Best Surf | 12PM (Fri 10th Jul) | 10ft (3.0m) 16s |
| Most Powerful | 12PM (Fri 10th Jul) | 10ft (3.0m) 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)
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