Shonan Surf Break

Lat Long: 35.32° N 139.44° E

Shonan WaveFinder

Issued: 8 pm 22 Aug 2026 (local time)

Forecast update in  hr  min

Today's Shonan sea temperature is
27.3°C
0.4° 

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


Shonan surf forecast from 22 Aug 2026:

  • Best quality surf: Monday 24 Aug, 3AM (local time) - 2ft (0.6m), 13s period, SSE swell with glassy winds.
  • Most powerful swell: Tuesday 25 Aug, 12PM (local time) - 5.5ft (1.7m), 14s period, S swell with 1,047 kJ wave energy.
  • Next surfable swell (1★+): Monday 24 Aug, 3AM (local time) - 2ft (0.6m), 13s period with SSE swell.

Best Forecast Surf Conditions for Shonan this week:

The surf forecast for Shonan over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 24) at 3AM. The primary swell is predicted to be 0.6m and 13s period with a secondary swell of 0.3m and 17s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Shonan in the next 16 days are 1.7m 14s and forecast to arrive on Tuesday (Aug 25) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 9s period and expected on Tuesday (Aug 25) at 9AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Mon 24th Aug)2ft (0.6m) 13s
Best Surf 3AM (Mon 24th Aug)2ft (0.6m) 13s
Most Powerful12PM (Tue 25th Aug)5.5ft (1.7m) 14s

Table - best surf conditions forecast for Shonan 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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