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Gassan Opens With World’s Deepest Snow — 950cm and Counting
Updated April 30, 2025: Japan’s winter wraps up—but Gassan opens with 950cm (380") of snow, the world’s deepest.
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Unazuki Onsen at 360 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 30 Apr 2025
Now
Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | Monday 5 | Tuesday 6 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  |  | |  | | | | |  | | | | | |
clear | clear | rain shwrs | some clouds | light rain | mod. rain | rain shwrs | some clouds | light rain | light rain | mod. rain | rain shwrs | rain shwrs | clear | cloudy | light rain | some clouds | some clouds | rain shwrs | |
km/h | |||||||||||||||||||
Snow map |  |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | 1.0 | — | 2.0 | 6 | 2.0 | — | 1.0 | 5 | 8 | 4 | 3 | — | — | 1.0 | — | — | 17 | |
max°C | 12 | 21 | 21 | 14 | 15 | 14 | 11 | 15 | 13 | 13 | 12 | 11 | 8 | 17 | 17 | 12 | 18 | 17 | 14 |
min°C | 10 | 19 | 17 | 12 | 13 | 13 | 8 | 13 | 13 | 11 | 11 | 9 | 7 | 14 | 12 | 11 | 15 | 15 | 12 |
10 | 19 | 17 | 11 | 13 | 13 | 8 | 13 | 13 | 11 | 9 | 6 | 6 | 14 | 12 | 11 | 15 | 15 | 11 | |
51 | 35 | 38 | 74 | 65 | 85 | 76 | 55 | 68 | 71 | 92 | 75 | 83 | 39 | 41 | 67 | 54 | 62 | 83 | |
3000 | 3000 | 2950 | 3150 | 2700 | 2750 | 2750 | 2900 | 2600 | 2600 | 2350 | 1800 | 1800 | 2400 | 2600 | 2900 | 2600 | 2850 | 3050 | |
 | — | 4:56 | — | — | 4:54 | — | — | 4:54 | — | — | 4:52 | — | — | 4:52 | — | — | 4:50 | — | — |
 | — | — | 6:37 | — | — | 6:37 | — | — | 6:38 | — | — | 6:39 | — | — | 6:40 | — | — | 6:42 | — |
Next 0-3 days weather summary:
Moderate rain (total 12.0mm), heaviest on Fri afternoon. Warm (max 21°C on Thu morning, min 8°C on Fri night). Wind will be generally light.
Next 4-6 days weather summary:
Heavy rain (total 21.0mm), heaviest during Sun morning. Very mild (max 18°C on Tue morning, min 7°C on Sun night). Wind will be generally light.
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Latest snow reports near Unazuki Onsen:
26 km away from Unazuki Onsen
31 hours ago
Snowing above Happo One. from Happo One
28 km away from Unazuki Onsen
37 hours agoSnow falling at Hakuba Goryu. from Hakuba Goryu
Unazuki Onsen Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 30 Mar 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Toyama are reporting: powder (0) / good piste (0)
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Week 4 of April has on average:
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.0 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
Unazuki Onsen Forecast Snowfall
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Other resorts in Japan - Toyama are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Unazuki Onsen at the specific elevation of 360 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Unazuki Onsen. To access the weather forecasts for the other elevations, use the tab navigation above the table. For a wider view of the weather, check out the Weather Map of Japan.
Click here to read further information on freezing levels and how we forecast our temperatures.
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Free Snow-Forecast.com weather widget for your website
The Unazuki Onsen skiing weather widget is available to embed on external websites free of charge. It provides a daily summary of our Unazuki Onsen snow forecast and current weather conditions. Simply go to the feed configuration page and follow the 3 simple steps to grab the custom html code snippet and paste it into your own site. You can choose the snow forecast elevation (summit, mid-mountain or bottom lift) and metric/imperial units for the snow forecast feed to suit your own website…. Click here to get the code.
View detailed snow forecast for Unazuki Onsen at:
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