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Live surf map

Onjuku, Chiba, Japan

6ft
swell
GOOD
8s period
⛅️Partly Cloudy
68°Fair
77°Fwater
16 km/hNNW
offshore Hs7ft
Swell Period8s
Swell DirESE
Wind16 km/h
Wind Gust11 km/h
UV Index5

Swell

Primary

6ft8sfrom ESE 114°
NESW

Wind

16km/h

NNW335°

Gusts11 km/h
ConditionsModerate

Conditions

Water
77°F
🌡Air
68°F
UV Index
5 Moderate
Visibility
35 km

Sky

🌤

Partly Cloudy

Gusts
11 km/h

48-Hour Wave Outlook

10-Day Forecast

Today

🌦
★★★★

3–8ft

ESE
75°F62°F
↑20
💧63%

Tomorrow

🌤
★★★★

2–5.5ft

E
67°F54°F
↑20

Sun

⛅️
★★★★

1.5–4ft

E
62°F52°F
↑20

Hover or tap any day for a full forecast breakdown.

Tides

📡

Tide data temporarily unavailable.

Could not retrieve tidal predictions for this location. Try refreshing. Tide data is sourced from NOAA CO-OPS, DFO, and the Open-Meteo global tidal model — all free, no API key required.

Spots Nearby

No named surf spots found nearby.

Surf Climatology

Onjuku Surf Report

Chiba, Japan · 35.1863°, 140.3520°

Onjuku (Chiba, Japan) is a beach break. It has both lefts and rights. In our swell history, its best months are Feb & Nov. This page is its live surf report and 10-day forecast from Groundswell. The forecast shows swell height, period and direction, wind and tides hour by hour, with a rating for each day.

Peak Season

Feb & Nov

Best time to surf Onjuku: seasonal wave data

Nearby Surf Spots