Isumi: weather statistics and wind history

35.295° N, 140.41° E

16.04.2026 (Thursday)

Strong wind – choppy waves (13.7 m/s)
Wetsuit required (16.0 °C)

17.04.2026 (Friday)

Strong wind – choppy waves (12.8 m/s)
Wetsuit required (16.2 °C)

18.04.2026 (Saturday)

Good surfing forecast: period 10 s
Wetsuit required (17.1 °C)

19.04.2026 (Sunday)

Good surfing forecast: optimal conditions
Moderate wind (5.4 m/s)
Wetsuit required (17.5 °C)

20.04.2026 (Monday)

Good surfing forecast: optimal conditions
Moderate wind (5.6 m/s)

21.04.2026 (Tuesday)

Strong wind – choppy waves (9.7 m/s)

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Closest meteostation (52.34km):

Isumi Wind forecast

Wind direction is Northeast, wind speed varies between 6.7 and 29 mph with gusts up to 40.1 mph. The sky is cloudy with a chance of rain 0%.
Wind and wave weather forecast for Isumi , Japan contains detailed information about local wind speed, direction, and gusts. Wave forecast includes wave height and period.
These forecasts for Isumi 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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