汐間海岸
Tokyo · Japan
Rating right now
汐間海岸 is a S-facing sand beach on the Japan shoreline, opening onto the Uchi Sea — it catches SE–SW swell, and offshore NW–NE winds tidy the banks through april–october.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~27.4°C (81.3°F) on average
Jan
19.7°C
67.5°F · 17.1–22.3°C
Feb
19.1°C
66.4°F · 16.4–20.4°C
Mar
19.1°C
66.4°F · 15.9–20.6°C
Apr
19.9°C
67.8°F · 15.1–21.6°C
May
21.8°C
71.2°F · 19.2–24.2°C
Jun
23.2°C
73.8°F · 20.9–25.7°C
Jul
26.1°C
79°F · 23.1–29°C
Aug
27.9°C
82.2°F · 26–29.3°C
Sep
27.4°C
81.3°F · 25.1–29.6°C
Oct
25.7°C
78.3°F · 22.3–28.3°C
Nov
23.7°C
74.7°F · 21.4–26°C
Dec
21.7°C
71.1°F · 18.4–23.6°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
SE–SW
Best wind
NW–NE
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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