Minna Beach
Coastal areas · Japan
Rating right now
Minna Beach is a SW-facing sand beach on the Japan shoreline, opening onto the East China Sea — it catches S–W swell, and offshore N–E winds tidy the banks through april–october.
Today's surf at Minna Beach
Updated 12:52 spot time
Minna Beach surf report for Thursday 1 Oct: waves 0.3 m–0.5 m knee to waist high, 0.4 m NNW swell at 4.85 s. Wind up to 13 km/h NNW. Water 29°C. Best surf window around 06:00 — fair (2/5) with 3 km/h NW wind.
Snapshot refreshed hourly — the live hourly forecast below updates in real time.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~27.1°C (80.8°F) on average
Jan
22.1°C
71.8°F · 19.8–24.1°C
Feb
21.3°C
70.3°F · 19.7–23.1°C
Mar
21.3°C
70.3°F · 18.2–23°C
Apr
22.2°C
72°F · 20.9–23.3°C
May
24.3°C
75.7°F · 22.9–26.3°C
Jun
26.5°C
79.7°F · 24.1–28.8°C
Jul
28.6°C
83.5°F · 27.2–31.4°C
Aug
28.8°C
83.8°F · 27.1–30.4°C
Sep
28.4°C
83.1°F · 26.5–30.4°C
Oct
27.1°C
80.8°F · 25.4–28.8°C
Nov
25.1°C
77.2°F · 23.6–27.1°C
Dec
23.6°C
74.5°F · 22.5–25.7°C
25-year monthly averages from the NOAA OISST satellite record — typical range min–max, not a live reading.
Know before you go
Best swell
S–W
Best wind
N–E
Break type
Beach break
Best season
April–October
Safety: Friendly by surf standards, but rip currents and drop-in etiquette still apply. Shifting sandbars create moving rip currents — learn to spot them and use them to get out back.
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