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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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Sanbe Onsen at 550 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 | clear | heavy rain | rain shwrs | some clouds | some clouds | some clouds | some clouds | light rain | clear | clear | some clouds | some clouds | cloudy | cloudy | some clouds | light rain | mod. rain | |
km/h | |||||||||||||||||||
Snow map |  |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | 32 | 2.0 | — | — | — | — | 5 | — | — | — | — | — | — | — | 1.0 | 9 | |
max°C | 12 | 19 | 19 | 14 | 12 | 11 | 8 | 15 | 17 | 11 | 12 | 12 | 8 | 17 | 18 | 11 | 17 | 18 | 12 |
min°C | 10 | 16 | 16 | 11 | 12 | 10 | 7 | 14 | 14 | 8 | 10 | 10 | 7 | 14 | 14 | 11 | 15 | 14 | 11 |
8 | 14 | 14 | 9 | 10 | 8 | 6 | 14 | 13 | 5 | 7 | 8 | 5 | 14 | 14 | 9 | 14 | 13 | 9 | |
55 | 41 | 48 | 88 | 91 | 63 | 57 | 38 | 45 | 88 | 66 | 62 | 57 | 31 | 32 | 74 | 57 | 62 | 97 | |
3100 | 3150 | 3150 | 2900 | 3000 | 3350 | 3300 | 3400 | 3200 | 2950 | 2500 | 2500 | 2950 | 3000 | 2900 | 2850 | 3050 | 3250 | 2850 | |
 | — | 5:18 | — | — | 5:18 | — | — | 5:16 | — | — | 5:16 | — | — | 5:15 | — | — | 5:13 | — | — |
 | — | — | 6:53 | — | — | 6:54 | — | — | 6:55 | — | — | 6:55 | — | — | 6:57 | — | — | 6:58 | — |
Next 0-3 days weather summary:
Heavy rain (total 34.0mm), heaviest during Thu night. Very mild (max 19°C on Thu morning, min 7°C on Fri night). Winds decreasing (fresh winds from the S on Thu morning, calm by Fri night).
Next 4-6 days weather summary:
Light rain (total 6.0mm), mostly falling on Sat night. Very mild (max 18°C on Mon afternoon, min 7°C on Sun night). Wind will be generally light.
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Latest snow reports near Sanbe Onsen:
Sanbe Onsen Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 29 Mar 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Shimane 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. |
Sanbe Onsen Forecast Snowfall
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Other resorts in Japan - Shimane are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Sanbe Onsen at the specific elevation of 550 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Sanbe 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 Sanbe Onsen skiing weather widget is available to embed on external websites free of charge. It provides a daily summary of our Sanbe 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 Sanbe Onsen at:
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