大平海岸
Hokkaidō · Japan
Rating right now
An open NW-facing sand beach on the Hakodate Bay near Hokkaidō, 大平海岸 works on W–N groundswell; E–S 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: ~21.6°C (70.9°F) on average
Jan
8°C
46.4°F · 4.6–11.1°C
Feb
6.7°C
44.1°F · 5–9.7°C
Mar
6.4°C
43.5°F · 4.6–8°C
Apr
8.4°C
47.1°F · 7–10.4°C
May
10.7°C
51.3°F · 8.6–14.1°C
Jun
14.7°C
58.5°F · 11.4–17.3°C
Jul
19.3°C
66.7°F · 16.6–22.2°C
Aug
22.1°C
71.8°F · 20–25.1°C
Sep
21.6°C
70.9°F · 18.7–24.7°C
Oct
17.6°C
63.7°F · 14.2–22.9°C
Nov
12.9°C
55.2°F · 4.4–15.7°C
Dec
10.1°C
50.2°F · 6.6–13.3°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–N
Best wind
E–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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