Kugenuma Rivermouth surf forecast from 7 Jul 2026:
- Best quality surf: Wednesday 8 Jul, 9AM (local time) - 4.5ft (1.4m), 16s period, SSE swell with cross-offshore winds.
- Most powerful swell: Saturday 11 Jul, 9AM (local time) - 7ft (2.1m), 17s period, SSW swell with 2,544 kJ wave energy.
- Next surfable swell (1★+): Wednesday 8 Jul, 9AM (local time) - 4.5ft (1.4m), 16s period with SSE swell.
Best Forecast Surf Conditions for Kugenuma Rivermouth this week:
The surf forecast for Kugenuma Rivermouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 08) at 9AM. The primary swell is predicted to be 1.4m and 16s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Kugenuma Rivermouth in the next 16 days are 2.1m 17s and forecast to arrive on Saturday (Jul 11) at 9AM. Winds are predicted to be onshore at the time the swell arrives.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Wed 8th Jul) | 4.5ft (1.4m) 16s |
| Best Surf | 9AM (Wed 8th Jul) | 4.5ft (1.4m) 16s |
| Most Powerful | 9AM (Sat 11th Jul) | 7ft (2.1m) 17s |
Table - best surf conditions forecast for Kugenuma Rivermouth 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)
Nearest