Sagami River Surf Break

Lat Long: 35.31° N 139.36° E

Sagami River WaveFinder

Issued: 2 pm 09 Jul 2026 (local time)

Forecast update in  hr  min

Today's Sagami River sea temperature is
23.6° C
1.3° 

Sagami River surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Sagami River surf forecast from 9 Jul 2026:

  • Best quality surf: Sunday 12 Jul, 6PM (local time) - 4.5ft (1.3m), 15s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Saturday 11 Jul, 12PM (local time) - 7ft (2.1m), 17s period, SSW swell with 2,426 kJ wave energy.
  • Next surfable swell (1★+): Sunday 12 Jul, 6PM (local time) - 4.5ft (1.3m), 15s 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 Sunday (Jul 12) at 6PM. The primary swell is predicted to be 1.3m and 15s period with a secondary swell of 0.2m and 10s. Another secondary swell of 0.5m and 4s 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 2.1m 17s and forecast to arrive on Saturday (Jul 11) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Sun 12th Jul)4.5ft (1.3m) 15s
Best Surf 6PM (Sun 12th Jul)4.5ft (1.3m) 15s
Most Powerful12PM (Sat 11th Jul)7ft (2.1m) 17s

Table - best surf conditions forecast for Sagami River over the next 16 days.


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  • Live Wind Speed (km/h)
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  • Ocean Swells (m)
  • Wind Speed (km/h)
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