Itoigawa Beach
Niigata · Japan
Rating right now
Itoigawa Beach is a NW-facing pebble beach on the Sea of Japan coastline near Niigata — it picks up W–NE swell and turns cleanest in a SE–S wind, with the most consistent surf 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: ~25.8°C (78.4°F) on average
Jan
12.9°C
55.2°F · 10.8–14.9°C
Feb
10.9°C
51.6°F · 9–12.5°C
Mar
10°C
50°F · 7.2–11.5°C
Apr
11.5°C
52.7°F · 9.8–13.5°C
May
15.2°C
59.4°F · 10.3–18.7°C
Jun
19.8°C
67.6°F · 15.2–21.8°C
Jul
23.9°C
75°F · 21.1–28.1°C
Aug
27.2°C
81°F · 23.5–29.3°C
Sep
25.8°C
78.4°F · 22.9–29°C
Oct
22.3°C
72.1°F · 19.6–26.3°C
Nov
18.7°C
65.7°F · 16.9–20.6°C
Dec
15.7°C
60.3°F · 12–17.9°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
W–NE
Best wind
SE–S
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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