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12 kn+. A kite day has at least 3 hours of 12 to 35 knots between 10:00 and 19:00. How we count.

Best Kitespots in Isumi

1 spot · Japan

Best for kiting from February to April and from September to October, with 51 to 62 % kite days. Water 16 to 26 °C.

Median of 1 spot with model data, one per grid cell.

Kite spots
1 spot
Median kite days
49 % of days
median spot, over the year
Water
21 °C
median, 2023 to 2025
Best spot
Onjuku
49 % kite days per year

Kitesurfing in Isumi

Isumi in Japan has 1 kite spot in our data. The median spot reaches 49 % kite days over the year; Onjuku leads with 49 %.

Best season at the median spot: February to April and September to October (50 % kite days or more). Water about 21 °C.

Best time to visit Isumi

  • Prime 60 % and more
  • Good 40 to 59 %
  • Possible 20 to 39 %
  • Off under 20 %
  • No data hatched
  • Ringed: this month

Prime also needs a good month in at least 7 of the 9 years, so one freak year cannot make a month Prime. A month with 60 %+ but fewer good years shows as Good.

  • Best season: February to April and September to October
  • Warm and windy: July to October

Kite days at the median spot range from 38 % in December to 62 % in April.

Water 16 °C in March to 26 °C in August. Air 11 °C in January to 27 °C in August, day maximum.

Kitesurfing in Isumi: quick answers

When is the best time to kitesurf in Isumi?

The best months are February to April and September to October: the median spot in Isumi had 51 to 62 % kite days in those months from 2017 to 2025.

Which is the best kite spot in Isumi?

Onjuku has the most kite days in Isumi: 49 % of days averaged over the year, 2017 to 2025.

How warm is the water in Isumi?

The water ranges from 16 °C in March to 26 °C in August at the median spot. Wetsuit: 4/3 in March, shorty in August.

Good for learning

Kite schools teach here, checked against kite guides. Only spots we checked appear.

None checked in Isumi yet.

All spots in Isumi

Kite days per year, % of days

  1. 1
    Onjuku

    Japan

    49 %
    January: 49 % kite days (Good)February: 51 % kite days (Good)March: 58 % kite days (Good)April: 62 % kite days (Prime)May: 48 % kite days (Good)June: 39 % kite days (Possible)July: 48 % kite days (Good)August: 42 % kite days (Good)September: 52 % kite days (Good)October: 57 % kite days (Good)November: 43 % kite days (Good)December: 38 % kite days (Possible)
    Kite days by month at Onjuku: Jan 49 %, Feb 51 %, Mar 58 %, Apr 62 %, May 48 %, Jun 39 %, Jul 48 %, Aug 42 %, Sep 52 %, Oct 57 %, Nov 43 %, Dec 38 %

More in Japan

Back to all Japan spots

kiteCOMPASS · method k3h-10to19-v1 · 2017 to 2025

Kite days by month for Isumi: median of 1 spots with model wind data (one per grid cell), 2017 to 2025; water temperature 2023 to 2025.

Cite this

kiteCOMPASS, kite spots in Isumi, data 2017 to 2025. https://kitecompass.app/best-kitespots/japan/isumi

Numbers on this page are free to reuse under CC BY 4.0: name kiteCOMPASS and link to this page.