Choshi Surf Break

Lat Long: 35.71° N 140.80° E

Choshi WaveFinder

Issued: 8 am 22 Aug 2026 (local time)

Forecast update in  hr  min

Today's Choshi sea temperature is
26.9° C
0.3° 

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


Choshi surf forecast from 22 Aug 2026:

  • Best quality surf: Monday 24 Aug, 9AM (local time) - 2.5ft (0.8m), 17s period, SE swell with glassy winds.
  • Most powerful swell: Tuesday 25 Aug, 3PM (local time) - 5ft (1.6m), 14s period, SSE swell with 988 kJ wave energy.
  • Next surfable swell (1★+): Saturday 22 Aug, 3PM (local time) - 3ft (0.9m), 11s period with E swell.

Best Forecast Surf Conditions for Choshi this week:

The surf forecast for Choshi over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 22) at 3PM. The primary swell is predicted to be 0.9m and 11s period with a secondary swell of 0.4m and 5s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Choshi in the next 16 days are 1.6m 14s and forecast to arrive on Tuesday (Aug 25) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Friday (Aug 28) at 3PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Sat 22nd Aug)3ft (0.9m) 11s
Best Surf 9AM (Mon 24th Aug)2.5ft (0.8m) 17s
Most Powerful 3PM (Tue 25th Aug)5ft (1.6m) 14s

Table - best surf conditions forecast for Choshi 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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