Overview

Shirasato is a kitesurfing spot on the east coast of the Boso Peninsula, Chiba Prefecture, along Kujukuri Beach. This spot benefits from Pacific exposure with southwest winds in summer and northeast winds in winter.

The water is oceanic with waves. Tides are significant. Suited for intermediate riders.

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Spot forecast for Shirasato

Sunrise 05:48 · Sunset 16:57

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< 7 kn7–12 kn13–20 kn21–30 kn31–40 kn41+ kn Gusts Your minimum: 7 kn

Forecasts provided by Open-Meteo

Swell and waves

Swell and tides over 8 days. Premium members see the swell and tides over 8 days. Without a subscription: 5 days.

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Wave height: < 0.5 m 0.5–1 m 1–2 m 2–3 m ≥ 3 m

Swell data by Open-Meteo Marine

Tides

Heights above lowest astronomical tide, in the spot's local time. Computed 6.5 km from the spot.

Tuesday 20 October Low tide 05:14 · 0.6 m High tide 13:45 · 1.3 m Low tide 19:09 · 1.1 m High tide 22:39 · 1.2 m
Wednesday 21 October Low tide 06:27 · 0.6 m High tide 14:01 · 1.3 m Low tide 19:43 · 1 m
Thursday 22 October High tide 00:47 · 1.2 m Low tide 07:19 · 0.6 m High tide 14:17 · 1.4 m Low tide 20:12 · 0.8 m
Friday 23 October High tide 01:57 · 1.3 m Low tide 08:02 · 0.6 m High tide 14:34 · 1.4 m Low tide 20:41 · 0.7 m
Saturday 24 October High tide 02:50 · 1.4 m Low tide 08:41 · 0.7 m High tide 14:52 · 1.5 m Low tide 21:11 · 0.5 m

Shirasato: when to go?

Rideable days and hours computed for a minimum wind of 7 knots · log in to set your own (foil, twin-tip…)

Season · peak

208h

in September · 26 rideable days

The season runs from July to October, peaking in September: 23 rideable days a month and 208 hours of usable wind, at 27 °C. The low point is December, at 7.5 days.

Rideable days per month

Wind strength when it is rideable

7-12 knots · 63%13-20 knots · 35%21-30 knots · 1%31+ knots · under 1%

When the spot works, wind sits mostly between 7 and 12 knots — 63% of rideable hours. Big-kite territory. The coldest month is January, at 11 °C. The wettest month is June, with 263 mm.

Monthly averages: Shirasato

Monthly averages — Shirasato — averaged over 2 years of records — Weather data by Open-Meteo.com — How it is calculated
Month	Rideable days	Usable wind	Temperature	Rain
January	9.5	62 h	11 °C	55 mm
February	14.0	103 h	11 °C	72 mm
March	17.5	140 h	13 °C	196 mm
April	19.0	156 h	17 °C	143 mm
May	23.5	226 h	20 °C	212 mm
June	16.5	116 h	24 °C	263 mm
July	20.5	145 h	28 °C	90 mm
August	20.0	172 h	29 °C	160 mm
September	26.0	208 h	28 °C	133 mm
October	25.0	261 h	22 °C	190 mm
November	17.0	127 h	17 °C	92 mm
December	7.5	61 h	12 °C	64 mm

Photo gallery of Shirasato

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Technical details of Shirasato spot

The spot works with winds from N, NNE, NE, S, SSW, SW.

Rideable Not rideable

Spot opening date · Required level

Spot opening date: Open all year round
Required level: Intermediate

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Live

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Webcams near Shirasato

Webcams provided by Windy.com

Nearby spots

All spots: Préfecture de Chiba

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Shirasato kitesurf, wingfoil and surf spot