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Trip planner / Japan: Chiba & Shonan / August

Surfing in Japan: Chiba & Shonan in August

In season

August is inside our editors’ surf season for Japan: Chiba & Shonan (Aug–Oct).

Historical swell averages for August

Historical averages, 2022–2025 — not a forecast and not a surf-quality score.

Hours with rideable groundswell
10%
Median swell height
0.66 m
Median swell period
6.8 s

Derived from Open-Meteo marine reanalysis data (2022–2025), licensed CC BY 4.0. Swell availability, not surf quality — the season call is editorial.

Graded spots in Japan: Chiba & Shonan

Beginner · Levels 1-3

  • Tsurigasaki Surfing Beach (Shidashita)
  • Taito
  • Kugenuma Kaigan

Intermediate · Levels 4-5

  • Tsurigasaki Surfing Beach (Shidashita)
  • Taito

Camps in Japan: Chiba & Shonan

    Operating months not recorded — check with the camp

    • Forest Surfing School Ichinomiya
    • SURFARI Shonan

    Japan: Chiba & Shonan, month by month

    1. JanOff season
    2. FebOff season
    3. MarOff season
    4. AprOff season
    5. MayOff season
    6. JunOff season
    7. JulOff season
    8. AugIn season
    9. SepIn season
    10. OctIn season
    11. NovOff season
    12. DecOff season

    Everywhere in season in August, by level

    • August · Beginner (Levels 1-3)
    • August · Intermediate (Levels 4-5)
    • August · Advanced (Levels 6-7)

    Also in season in August

    Indonesia
    • Bali
    • Mentawai Islands
    • Lombok
    • Java
    Costa Rica
    • Costa Rica
    Mexico
    • Mexico
    Nicaragua
    • Nicaragua
    El Salvador
    • El Salvador
    Panama
    • Panama
    France
    • France
    Australia
    • Eastern Australia
    • Western Australia
    Fiji
    • Fiji
    Philippines
    • Philippines
    Peru
    • Peru
    Chile
    • Chile
    South Africa
    • South Africa
    USA
    • Hawaii
    • California
    Brazil
    • Brazil
    Canada
    • Vancouver Island
    Thailand
    • Thailand
    South Korea
    • South Korea
    Japan
    • Japan: Shikoku & Kyushu
    • Japan: Okinawa

    The full Japan: Chiba & Shonan guide · Find your level