大波月海岸
Chiba · Japan
Rating right now
大波月海岸 is a SE-facing sand beach on the Uchi Sea coastline near Chiba — it picks up E–S swell and turns cleanest in a W–N wind, with the most consistent surf through april–october.
Today's surf at 大波月海岸
Updated 14:06 spot time
大波月海岸 surf report for Thursday 1 Oct: waves 1.5 m overhead, 1.5 m SE swell at 6.25 s. Wind up to 21 km/h NNW. Water 26°C. Best surf window around 21:00 — fun (3/5) with 4 km/h SE wind.
Snapshot refreshed hourly — the live hourly forecast below updates in real time.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~24.1°C (75.4°F) on average
Jan
17.9°C
64.2°F · 16–19.9°C
Feb
16.6°C
61.9°F · 14.3–18°C
Mar
16.4°C
61.5°F · 14.5–18.6°C
Apr
17.8°C
64°F · 15.2–20.7°C
May
19.6°C
67.3°F · 16.4–22.7°C
Jun
21.8°C
71.2°F · 18.9–23.8°C
Jul
24°C
75.2°F · 21.3–27.8°C
Aug
26.3°C
79.3°F · 24.5–28.5°C
Sep
26.1°C
79°F · 22.9–28°C
Oct
24.1°C
75.4°F · 20.6–26.6°C
Nov
21.9°C
71.4°F · 19.4–24.5°C
Dec
19.4°C
66.9°F · 16.5–22°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
E–S
Best wind
W–N
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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