Kuminatu Surf Break

Lat Long: 35.12° N 140.24° E

Kuminatu WaveFinder

Issued: 2 pm 29 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kuminatu sea temperature is
28.0°C
1.2° 

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


Kuminatu surf forecast from 29 Aug 2026:

  • Best quality surf: Tuesday 1 Sep, 12AM (local time) - 2.5ft (0.8m), 12s period, ESE swell with cross-offshore winds.
  • Most powerful swell: Tuesday 1 Sep, 12PM (local time) - 3.5ft (1.0m), 12s period, E swell with 289 kJ wave energy.
  • Next surfable swell (1★+): Sunday 30 Aug, 12AM (local time) - 2ft (0.6m), 11s period with E swell.

Best Forecast Surf Conditions for Kuminatu this week:

The surf forecast for Kuminatu over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 30) at 12AM. The primary swell is predicted to be 0.6m and 11s period with a secondary swell of 0.7m and 5s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Kuminatu in the next 16 days are 1.0m 12s and forecast to arrive on Tuesday (Sep 01) at 12PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 5s period and expected on Friday (Sep 04) at 12PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Sun 30th Aug)2ft (0.6m) 11s
Best Surf12AM (Tue 1st Sep)2.5ft (0.8m) 12s
Most Powerful12PM (Tue 1st Sep)3.5ft (1.0m) 12s

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


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