Supported Features
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Dark Interface
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Differentiate Without Color Alone
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Sufficient Contrast
JapowRadar: Japan Powder Alert
Never Miss a Powder Day
Free · Designed for iPad. Not verified for macOS.
Don’t miss a single flake.
Monitor snow quality across Japan with precision forecasts and custom powder alerts.
Experience the best of Japow!
Hunt the deepest, driest snow in Japan with JapowRadar. Don't waste your trip on icy slopes.
JapowRadar monitors snow conditions at Japan’s premier ski resorts, analyzing data up to 4 days in advance to help you find that perfect, waist-deep Japow.
■ Key Features:
- Smart Powder Alerts: Customize your notifications. Set your preferred snow depth and quality, and get alerted exactly when and where the magic is happening.
- 14-Day Precision Forecast: Stay ahead of the storm with detailed snow quality analysis.
- Live Cam Integration: See it to believe it. Check real-time conditions at select resorts before you even grab your gear.
- Map Integration: See every resort at a glance. Find the closest powder to wherever you are — and get directions in one tap.
- Official Information: Every resort links directly to its official homepage — plus access to Japan's national avalanche advisory, so you ride informed and ride safe.
- Fully Customizable: Tailor alerts by resort, timing, and specific snow conditions to match your riding style.
Download JapowRadar today and turn your Japan trip into a legendary powder quest.
If your favorite resort is missing, please let me know via the App Store review!
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
- Add filter to Map.
- Enable to add the resort to My Resorts to push the star button.
The developer, Hiroki Oikawa, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
The developer indicated that this app supports the following accessibility features. Learn More
Information
- Seller
- Hiroki Oikawa
- Size
- 4 MB
- Category
- Weather
- Compatibility
Requires iOS 17.6 or later.
- iPhone
Requires iOS 17.6 or later. - iPad
Requires iPadOS 17.6 or later. - Mac
Requires macOS 14.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.3 or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- Copyright
- © 2026 Hiroki Oikawa