Shimashi Beach
Coastal areas · Japan
Rating right now
An open SE-facing sand beach on the East China Sea near Coastal areas, Shimashi Beach works on NE–S groundswell; W–NW winds offshore, with conditions most reliable 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: ~28.5°C (83.3°F) on average
Jan
22.7°C
72.9°F · 21.6–25°C
Feb
21.8°C
71.2°F · 19.9–23.3°C
Mar
21.7°C
71.1°F · 19.9–23.4°C
Apr
22.5°C
72.5°F · 21.2–23.6°C
May
24.7°C
76.5°F · 22.9–26.5°C
Jun
26.9°C
80.4°F · 24.5–29°C
Jul
28.8°C
83.8°F · 27.3–31.3°C
Aug
28.9°C
84°F · 27.2–30.5°C
Sep
28.5°C
83.3°F · 26.9–30.6°C
Oct
27.4°C
81.3°F · 25.4–29.1°C
Nov
25.5°C
77.9°F · 23.9–27.7°C
Dec
24.1°C
75.4°F · 22.7–26.2°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
NE–S
Best wind
W–NW
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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