Matsube Bay Surf Break

Lat Long: 35.14° N 140.32° E

Matsube Bay WaveFinder

Issued: 8 am 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Matsube Bay sea temperature is
27.7°C
1.2° 

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


Matsube Bay surf forecast from 5 Sep 2026:

  • Best quality surf: Tuesday 8 Sep, 12PM (local time) - 8ft (2.4m), 10s period, SSE swell with cross-offshore winds.
  • Most powerful swell: Monday 7 Sep, 3PM (local time) - 13ft (4.0m), 10s period, S swell with 3,155 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 8 Sep, 12PM (local time) - 8ft (2.4m), 10s period with SSE swell.

Best Forecast Surf Conditions for Matsube Bay this week:

The surf forecast for Matsube Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 08) at 12PM. The primary swell is predicted to be 2.4m and 10s period with a secondary swell of 0.7m and 9s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Matsube Bay in the next 16 days are 4.0m 10s and forecast to arrive on Monday (Sep 07) 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 1.0m 5s period and expected on Saturday (Sep 12) at 12AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Tue 8th Sep)8ft (2.4m) 10s
Best Surf12PM (Tue 8th Sep)8ft (2.4m) 10s
Most Powerful 3PM (Mon 7th Sep)13ft (4.0m) 10s

Table - best surf conditions forecast for Matsube Bay 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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