Sanohama beach
Tokyo · Japan
Rating right now
A april–october beach on the Uchi Sea near Tokyo, Sanohama beach is exposed to SE swell — E–SW on the forecast is when it lights up, ideally with a NW–N wind.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~24.2°C (75.6°F) on average
Jan
17.6°C
63.7°F · 15.3–20.1°C
Feb
16.7°C
62.1°F · 14.2–19.2°C
Mar
16.9°C
62.4°F · 14.1–19.5°C
Apr
17.9°C
64.2°F · 15.6–20.6°C
May
19.6°C
67.3°F · 15.8–21.8°C
Jun
22°C
71.6°F · 19.9–24.1°C
Jul
24.5°C
76.1°F · 22–27.8°C
Aug
26.8°C
80.2°F · 24.4–28.8°C
Sep
26.2°C
79.2°F · 23.6–28.5°C
Oct
24.2°C
75.6°F · 22–27.3°C
Nov
21.6°C
70.9°F · 18.1–25°C
Dec
19.8°C
67.6°F · 17.2–22.6°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
E–SW
Best wind
NW–N
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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