Surf Break

Lat Long: 35.53° N 140.46° E

Katagai WaveFinder

Issued: 8 pm 10 Oct 2026 (local time)

Forecast update in  hr  min

Today's Katagai sea temperature is
22.1°C
1.6° 

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


Katagai surf forecast from 10 Oct 2026:

  • Best quality surf: Tuesday 13 Oct, 9PM (local time) - 4.5ft (1.3m), 12s period, SE swell with cross-offshore winds.
  • Most powerful swell: Monday 12 Oct, 9AM (local time) - 7.5ft (2.3m), 16s period, ESE swell with 2,648 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 13 Oct, 9PM (local time) - 4.5ft (1.3m), 12s period with SE swell.

Best Forecast Surf Conditions for Katagai this week:

The surf forecast for Katagai over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Oct 13) at 9PM. The primary swell is predicted to be 1.3m and 12s period with a secondary swell of 1.1m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Katagai in the next 16 days are 2.3m 16s and forecast to arrive on Monday (Oct 12) at 9AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Sunday (Oct 11) at 9AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Tue 13th Oct)4.5ft (1.3m) 12s
Best Surf 9PM (Tue 13th Oct)4.5ft (1.3m) 12s
Most Powerful 9AM (Mon 12th Oct)7.5ft (2.3m) 16s

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


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