Is August a good time for surfing at Shikoku – Ikumi?

August is one of the best months for surfing at Shikoku – Ikumi. The best surf here comes with the swell direction and winds of its season, not with the biggest waves. Waves 1.4 m, water 29°C (no wetsuit), air 31°C.

Plan your trip to Shikoku – IkumiEvery month at a glance, daily wind and waves from years of weather statistics, photos, videos and local tips.

Updated November 2026 · weather data 2022–2026

In short

  • Waves: 1.4 m on average (daily maximum)
  • Water: 29°C, no wetsuit
  • Air: 31°C by day, 25°C at night
  • Weather: 27 sunny days, 18 rainy days

Wave height: average daily maximum. Figures from 4 years of weather data (Open-Meteo).

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Other spots for surfing in August

Within 1,500 km, ranked by wave height and, a little, warm water.

Other surfing spots in Japan in August →Where to go surfing in August →

Questions

Is August a good time for surfing at Shikoku – Ikumi?

August is one of the best months for surfing at Shikoku – Ikumi. The best surf here comes with the swell direction and winds of its season, not with the biggest waves. Waves 1.4 m, water 29°C (no wetsuit), air 31°C.

How warm is the water at Shikoku – Ikumi in August?

About 29°C: no wetsuit.

How big are the waves at Shikoku – Ikumi in August?

About 1.4 m on average (daily maximum).

What is the weather like at Shikoku – Ikumi in August?

Around 31°C by day and 25°C at night, with about 27 sunny and 18 rainy days.

Where else can I go surfing in August?

Within 1,500 km: Kamakura – Yuigahama (0.9 m waves), Chiba – Ichinomiya (1.4 m waves) & Miyazaki – Kisakihama (1.4 m waves).

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