チャラツナイ
Hokkaidō · Japan
Rating right now
A april–october beach on the Hakodate Bay near Hokkaidō, チャラツナイ is exposed to S swell — SE–SW on the forecast is when it lights up, ideally with a NW–NE wind.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~16.8°C (62.2°F) on average
Jan
6.4°C
43.5°F · 3.8–9.8°C
Feb
4.1°C
39.4°F · 1.8–6.3°C
Mar
3.3°C
37.9°F · -0.3–6.8°C
Apr
5.4°C
41.7°F · 2.6–7.8°C
May
8.8°C
47.8°F · 5.2–12°C
Jun
13.7°C
56.7°F · 9.2–17.5°C
Jul
18.2°C
64.8°F · 15.1–21.1°C
Aug
21.3°C
70.3°F · 19.5–23.8°C
Sep
20.6°C
69.1°F · 17.5–23.8°C
Oct
16.8°C
62.2°F · 13.5–21.2°C
Nov
12.6°C
54.7°F · 10.1–15.1°C
Dec
9.5°C
49.1°F · 7–11.6°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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