Sagami River surf forecast from 15 Oct 2026:
- Best quality surf: Wednesday 21 Oct, 9PM (local time) - 4.5ft (1.3m), 16s period, SSE swell with cross-offshore winds.
- Most powerful swell: Thursday 22 Oct, 12PM (local time) - 5.5ft (1.7m), 16s period, S swell with 1,384 kJ wave energy.
- Next surfable swell (1★+): Tuesday 20 Oct, 3AM (local time) - 4.5ft (1.3m), 6s period with SSW swell.
Best Forecast Surf Conditions for Sagami River this week:
The surf forecast for Sagami River over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Oct 20) at 3AM. The primary swell is predicted to be 1.3m and 6s period with a secondary swell of 1.1m and 6s. Another secondary swell of 0.2m and 11s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Sagami River in the next 16 days are 1.7m 16s and forecast to arrive on Thursday (Oct 22) at 12PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Thursday (Oct 22) at 12PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Tue 20th Oct) | 4.5ft (1.3m) 6s |
| Best Surf | 9PM (Wed 21st Oct) | 4.5ft (1.3m) 16s |
| Most Powerful | 12PM (Thu 22nd Oct) | 5.5ft (1.7m) 16s |
Table - best surf conditions forecast for Sagami River 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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