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Live surf map

Shirako, Chiba, Japan

5.5ft
swell
VERY GOOD
8s period
🌤Mainly Clear
66°Fair
71°Fwater
15 km/hNNW
offshore Hs5.5ft
Swell Period8s
Swell DirESE
Wind15 km/h
Wind Gust4 km/h
UV Index4

Swell

Primary

5.5ft8sfrom ESE 120°
NESW

Wind

15km/h

NNW337°

Gusts4 km/h
ConditionsLight

Conditions

Water
71°F
🌡Air
66°F
UV Index
4 Moderate
Visibility
35 km

Sky

🌤

Mainly Clear

Rain chance
6%
Gusts
4 km/h

48-Hour Wave Outlook

10-Day Forecast

Today

🌦
★★★★

2.5–6.5ft

ESE
76°F58°F
↑18
💧43%

Tomorrow

⛅️
★★★

1.5–4.5ft

E
66°F52°F
↑18
💧27%

Sun

⛅️
★★★

1–3ft

E
59°F50°F
↑14

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

Shirako Surf Report

Chiba, Japan · 35.4440°, 140.4054°

Shirako (Chiba, Japan) is a beach break. It has both lefts and rights. In our swell history, its best months are Feb & Oct. 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 & Oct

Best time to surf Shirako: seasonal wave data

Nearby Surf Spots