Koizumi: weather statistics and wind history

38.7688° N, 141.523° E

18.04.2026 (Saturday)

Good surfing forecast: period 10 s
Low water temp – risk of hypothermia (10.4 °C)

19.04.2026 (Sunday)

Good surfing forecast: comfortable wave size 1.9 m, period 10 s
Low water temp – risk of hypothermia (11.2 °C)

20.04.2026 (Monday)

Good surfing forecast: comfortable wave size 1.9 m, period 10 s
Low water temp – risk of hypothermia (11.5 °C)

21.04.2026 (Tuesday)

Strong wind – choppy waves (8.5 m/s)
Low water temp – risk of hypothermia (10.9 °C)

22.04.2026 (Wednesday)

Good surfing forecast: comfortable wave size 1.6 m
Low water temp – risk of hypothermia (10.6 °C)

23.04.2026 (Thursday)

Good surfing forecast: comfortable wave size 1.1 m
Low water temp – risk of hypothermia (11.0 °C)

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Closest meteostation (79.73km):

Koizumi Wind forecast

Wind direction is West, wind speed varies between 2.2 and 8.9 mph with gusts up to 22.3 mph. The sky is cloudy with a chance of rain 0%.
Wind and wave weather forecast for Koizumi , Japan contains detailed information about local wind speed, direction, and gusts. Wave forecast includes wave height and period.
These forecasts for Koizumi are based on the GFS model and were created for windsurfing, kitesurfing, sailing and other extreme sports activities. All data updates 4 times a day. Predictions are available in steps from 1 to 3 hours for up to 10 days.
Use professional weather parameters: wind barbs, weather fronts, isobars, and others. Study weather history for the past 14 years (2012-2026). Create sailing, hiking and biking routes with weather in each point.
Download Windy.app in the App Store and Google Play Store.

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