Surf Break

Lat Long: 35.24° N 139.15° E

Sakawa River WaveFinder

Issued: 2 am 07 Oct 2026 (local time)

Forecast update in  hr  min

Today's Sakawa River sea temperature is
25.0°C
0.7° 

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


Sakawa River surf forecast from 6 Oct 2026:

  • Best quality surf: Wednesday 7 Oct, 6AM (local time) - 11ft (3.5m), 16s period, SE swell with glassy winds.
  • Most powerful swell: Wednesday 7 Oct, 6AM (local time) - 11ft (3.5m), 16s period, SE swell with 6,564 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 7 Oct, 6AM (local time) - 11ft (3.5m), 16s period with SE swell.

Best Forecast Surf Conditions for Sakawa River this week:

The surf forecast for Sakawa River over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Oct 07) at 6AM. The primary swell is predicted to be 3.5m and 16s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Sakawa River in the next 16 days are 3.5m 16s and forecast to arrive on Wednesday (Oct 07) at 6AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Thursday (Oct 08) at 3AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Wed 7th Oct)11ft (3.5m) 16s
Best Surf 6AM (Wed 7th Oct)11ft (3.5m) 16s
Most Powerful 6AM (Wed 7th Oct)11ft (3.5m) 16s

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


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  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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