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Japan Weekly Snow Roundup #290 – Early‑Season Honshu Snow
Weekly Snow News for Japan, updated 26 November 2025: late‑November storms improve conditions and hint at early openings.
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Mauna Kea at 2 m 高度
Snow-Forecast.comによる発表： 7 pm (現地時間) / 25 Nov 2025
Now
Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 1 | ||||||||||||||
night | morn- ing | after- noon | night | morn- ing | after- noon | night | morn- ing | after- noon | night | morn- ing | after- noon | night | morn- ing | after- noon | night | morn- ing | after- noon | night | |
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晴れる | 晴れる | にわか雨 | にわか雨 | 晴れる | 晴れる | 晴れる | 晴れる | 一部曇り | 一部曇り | 晴れる | にわか雨 | 晴れる | 晴れる | 晴れる | 晴れる | 晴れる | にわか雨 | 晴れる | |
km/h | |||||||||||||||||||
Snow map |  |  |  |  |  |  |  | ||||||||||||
cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | 1 | 1 | — | — | — | — | — | — | — | 1 | — | — | — | — | — | 2 | — |
max°C | 25 | 29 | 29 | 25 | 29 | 29 | 23 | 29 | 29 | 24 | 28 | 29 | 24 | 29 | 29 | 22 | 27 | 27 | 24 |
min°C | 23 | 25 | 26 | 23 | 24 | 26 | 22 | 24 | 26 | 22 | 24 | 25 | 21 | 24 | 26 | 21 | 22 | 25 | 21 |
chill°C | 23 | 25 | 26 | 23 | 24 | 26 | 22 | 24 | 26 | 22 | 24 | 25 | 21 | 24 | 26 | 21 | 22 | 25 | 21 |
湿度の高い% | 85 | 46 | 84 | 78 | 42 | 63 | 35 | 36 | 78 | 82 | 55 | 88 | 46 | 37 | 55 | 56 | 56 | 76 | 58 |
凍結高度 (m) | 4450 | 4350 | 4250 | 4350 | 4450 | 4400 | 4600 | 4500 | 4500 | 4550 | 4500 | 4400 | 4550 | 4500 | 4600 | 4600 | 4550 | 4550 | 4550 |
— | 6:37 | — | — | 6:37 | — | — | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — | |
— | — | 5:40 | — | — | 5:40 | — | — | 5:40 | — | — | 5:40 | — | — | 5:40 | — | — | 5:40 | — | |
翌 0-3 日の天気概要：
少量の雨 (合計 2.0mm), 大抵降る 水曜日の午後に. 暖かい (最大 29°C 水曜日の朝に, 最小 22°C 木曜日の夜に). 風は通常微風.
翌 4-6 日の天気概要：
少量の雨 (合計 3.0mm), 大抵降る 土曜日の午後に. 暖かい (最大 29°C 土曜日の午後に, 最小 21°C 土曜日の夜に). 風は通常微風.
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0.0 | パウダーの日 新雪、時々晴れ、風あり |
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上記の表には Mauna Kea の2 m の特定高度における天気予報が表示されています。高度な気候モデルによって、 Mauna Kea の山頂、中腹、麓にあるスキーステーションの雪予報を提供することができます。その他の高度の天気予報にアクセスするには、テーブルの上のタブナビゲーションをお使いください。より広範囲の天気予報には、 United States の天気図をご覧ください。
ここをクリックし凍結高度や我々の気温の予測の仕方についてさらにご覧ください。
Mauna Keaのビジターによるレビュー
全体 4.1 基づいた 8 投票 および 6 レビュー
- スノーシュア
- 様々なゲレンデ
- 投票
- United StatesのJoseph Besteが記述:
Dear fellow skiers: While Rick Tillison was a pioneer, The NSPS (National Ski Patrol..) officially recognized the Mauna Kea Ski Patrol in 1969-70. I joined the the Patrol in 1969; Howard Shirmmer a Professional Engineer and Hawaii office Manager for Dames & Moore in Hawaii was the Founder of the Patrol and it's first leader. I met Howard through work and was an engineer for Chevron at their Barber's Point Refinery. Howard asked me to join the Ski Patrol in 1969 and I patrolled on Mauna Kea in the winter of 1969-70. I became the Patrol Leader in 1971-2. While Howard was still on the Patrol there were a number of other dedicated Patrol members including one woman patroller. The skier's were generally shuttled to the summit in those days by Gordon (Flashgun) Morse through his business Holo Holo Campers from Hilo. Gordon was formerly a newspaper reporter in Honolulu, for the Honolulu Advertiser, and he supplied tourists with 4 wheel Jeeps to see the Big Island's more adventuresome area. The skiing was fabulous etc. There were many runs laid out by Dick Tillison and Howard in the late 60's. The University of Hawaii had a telescope near the very top; The University of Arizona had a smaller scope. The University of Hawaii through the graciousness of William Keck was building the largest scope on the very top. This scope opened in late 1969. I was already patrolling at that point. Tillison had spent the winter before at the University of Hawaii's Astronomy base camp at about the 8500-9,000 foot level. Not as pleasant as on the Kona coast. However, the location saved the time and aclimatization to altitude. It was near the old Humuhulu sheep station used by "Pig" (Wild Boar) hunters. Another early patrol leader was a University of Hawaii PhD candidate in Astronomy named Peter Bostwick, Pete succeeded me as Patrol Leader, I continued as a member of the Patrol through about 1980. We also had two woman patrollers in the early days. A rescued skier with a broken leg was Helen Masten(sp) in, I believe, 1971-2 Season. One of those early years, I believe it was 1970, the UH Astronomy department was snowed out in getting to the top. We (the Mauna Kea Patrollers) hiked up with snow shoes, skis and 5 gallon cans of diesel fuel to the Keck Observatory to supply the telescopes directional and heating generators. This was necessitated by the UH's half track being stuck in the snow (huge drifts) at about the 9-9500 elevation. Lots of stories and memories.. Joseph Beste
Mauna Keaのビジターによるレビュー
United StatesのJoseph Besteが記述:
Dear fellow skiers:
While Rick Tillison was a pioneer, The NSPS (National Ski Patrol..) officially recognized the Mauna Kea Ski Patrol in 1969-70. I joined the
the Patrol in 1969; Howard Shirmmer a Professional Engineer and Hawaii office Manager for Dames & Moore in Hawaii was the Founder of the Patrol and it's first leader. I met Howard through work and was an engineer for Chevron at their Barber's Point Refinery. Howard asked me to join the Ski Patrol in 1969 and I patrolled on Mauna Kea in the winter of 1969-70. I became the Patrol Leader in 1971-2. While Howard was still on the Patrol there were a number of other dedicated Patrol members including one woman patroller.
The skier's were generally shuttled to the summit in those days by Gordon (Flashgun) Morse through his business Holo Holo Campers from Hilo. Gordon was formerly a newspaper reporter in Honolulu, for the Honolulu Advertiser, and he supplied tourists with 4 wheel Jeeps to see the Big Island's more adventuresome area. The skiing was fabulous etc. There were many runs laid out by Dick Tillison and Howard in the late 60's. The University of Hawaii had a telescope near the very top; The University of Arizona had a smaller scope. The University of Hawaii through the graciousness of William Keck was building the largest scope on the very top. This scope opened in late 1969. I was already patrolling at that point. Tillison had spent the winter before at the University of Hawaii's Astronomy base camp at about the 8500-9,000 foot level. Not as pleasant as on the Kona coast. However, the location saved the time and aclimatization to altitude. It was near the old Humuhulu sheep station used by "Pig" (Wild Boar) hunters.
Another early patrol leader was a University of Hawaii PhD candidate in Astronomy named Peter Bostwick, Pete succeeded me as Patrol Leader, I continued as a member of the Patrol through about 1980. We also had two woman patrollers in the early days.
A rescued skier with a broken leg was Helen Masten(sp) in, I believe, 1971-2 Season. One of those early years, I believe it was 1970, the UH Astronomy department was snowed out in getting to the top. We (the Mauna Kea Patrollers) hiked up with snow shoes, skis and 5 gallon cans of diesel fuel to the Keck Observatory to supply the telescopes directional and heating generators. This was necessitated by the UH's half track being stuck in the snow (huge drifts) at about the 9-9500 elevation.
Lots of stories and memories..
Joseph Beste
Nearest