山岳レポート – 日本山岳気象レポート

Latest Report — 2026-07-28 07:07 JST

羊蹄山：独立峰の曇天。午後は霧雨が体を冷やす

今日の羊蹄山は、山頂付近で終日肌寒い曇天が続く。午前7時台の山頂現況は気温7.7℃、体感6℃。山麓との気温差は10℃以上あり、独立峰特有の冷え込みが顕著だ。日中の気温は緩やかに上昇するものの、15時頃には弱い霧雨が予想され、気温12.2℃、突風10.

今日の詳細レポートを読む →

81 件

2026 / July

24 reports

Mt. Yotei — 羊蹄山

独立峰の曇天。午後は霧雨が体を冷やす

Chilly and Cloudy Summit. Expect Light Drizzle in Afternoon. Prepare for Alpine

Mt. Yotei — 羊蹄山

羊蹄山夏山日和稜線は肌寒く

Calm winds and clear skies for Yotei summit. Pack layers for cool alpine

Mt. Yotei — 羊蹄山

独立峰特有の風と霧雨。低温対策を徹底せよ

Yotei Summit Cloudy with Light Drizzle. Prepare for Cool Temperatures Above

Mt. Yotei — 羊蹄山

羊蹄山晴れ間広がるも午後霧雨に注意

Good visibility on Yotei Summit. Expect light drizzle from midday. Gentle winds

Mt. Yotei — 羊蹄山

火口縁は視界不良。午後霧雨に注意

Limited Visibility on Summit Crater Rim. Light Drizzle Expected Afternoon.

Mt. Yotei — 羊蹄山

雨と霧に包まれる羊蹄山。滑る足元と冷えに注意

Persistent rain and mist on Yotei. Expect wet, cold conditions and limited

Mt. Yotei — 羊蹄山

羊蹄快晴微風の登山日和。午後の森林限界上は突風に注意。

Clear Morning on Yotei. Prepare for Afternoon Gusts Above Treeline and Crater

Mt. Yotei — 羊蹄山

羊蹄山雲中登山。足元と視界に注意

Cloudy, cool conditions with light drizzle expected. Limited visibility above

Mt. Yotei — 羊蹄山

独立峰の雨と霧。森林限界以上は低体温に注意

Steady rain and low visibility. Layer up for cold and wet summit conditions.

Mt. Yotei — 羊蹄山

山頂視界不良も日中回復。穏やかな登高

Calm Summer Ascent Conditions. Expect Improving Visibility Towards Noon.

Mt. Yotei — 羊蹄山

羊蹄山日中は好転の兆し。夕方からの冷え込みに備えよ

Morning Drizzle Clearing to Sunny Skies. Expect Cooler Temperatures by Evening.

Mt. Yotei — 羊蹄山

霧雨と強風、独立峰の稜線は注意

Drizzle and Increasing Winds on Yotei. Prepare for Rapid Weather Shifts Above

Mt. Yotei — 羊蹄山

羊蹄山は霧と小雨。視界不良に注意

Limited Visibility and Light Drizzle on Yotei Summit. Prepare for Wet and

Mt. Yotei — 羊蹄山

羊蹄山頂は濃霧。火口縁の滑落に厳重警戒

Dense Fog Persists on Yotei Summit. Poor Visibility Demands Extreme Caution on

Mt. Yotei — 羊蹄山

日中雷雨の危険極めて高い。山頂への登頂は中止を。

Thunderstorms and Wet Conditions Expected. Avoid Alpine Zone Today.

Mt. Yotei — 羊蹄山

雨に濡れた直登ルート視界不良に注意

Rainy and Chilly Summit Conditions. Expect Wet Trails and Limited Visibility on

Mt. Yotei — 羊蹄山

霧雨に濡れる羊蹄山。滑りやすい登山道と低い体感温度

Chilly Drizzle and Poor Visibility on Yotei. Expect Slippery Trails and Low

Mt. Yotei — 羊蹄山

羊蹄山は低い雲。森林限界上は視界不良

Yotei Summit in clouds with limited visibility. Moderate south winds.

Mt. Yotei — 羊蹄山

羊蹄山曇天で冷涼独立峰の急変に警戒

Cool and Cloudy Conditions on Yotei. Moderate Winds. Be Prepared for Rapid

Mt. Yotei — 羊蹄山

羊蹄山森林限界以上は突風。低体温症に厳重警戒

Gusty Winds on Exposed Slopes. Prepare for Sudden Temperature Drops.

Mt. Yotei — 羊蹄山

快晴の羊蹄山。日中は穏やかに行動を

Clear Summer Day on Yotei. Enjoy the Ascent Before Evening Chill.

Mt. Yotei — 羊蹄山

羊蹄山快晴の稜線歩きやすい一日となる

Clear Skies and Gentle Breeze, Perfect for Summit Ascent Today

Mt. Yotei — 羊蹄山

山頂は肌寒い一日。午後から視界回復

Cool summit conditions with light drizzle possible. Clearer afternoon, but pack

Mt. Yotei — 羊蹄山

羊蹄山快晴の一日穏やかな登高を

Clear Skies on Yotei. Mild Day for Hiking, Gusts Near Crater Rim Require

2026 / June

30 reports

Mt. Yotei — 羊蹄山

羊蹄山快晴へ向かう。穏やかな登高

Calm Conditions and Clearing Skies on Yotei Today. Prepare for Significant

Mt. Yotei — 羊蹄山

羊蹄山森林限界超え冷気まとう

Stable Weather for Midday Ascent. Prepare for Cool Alpine Temperatures Above

Mt. Yotei — 羊蹄山

山頂は肌寒い一日独立峰の風に注意

Cool and Cloudy Ascent on Yotei. Expect Isolated Drizzle Above Forest Line.

Mt. Yotei — 羊蹄山

霧雨と風で体感冷涼。森林限界上は注意

Moderate winds and light drizzle expected. Prepare for cool, wet conditions,

Mt. Yotei — 羊蹄山

羊蹄山午後は雨風強まる長い直登に備えよ

Cloudy with Gusty Winds on Yotei. Afternoon Rain Expected. Prepare for Quick

Mt. Yotei — 羊蹄山

午後は独立峰の風午前の穏やかさ活かせ

Calm Morning Ascent on Yotei. Afternoon Gusts and Exposed Ridge Caution.

Mt. Yotei — 羊蹄山

山頂は涼風午後遅く弱い霧雨に注意

Cool summit conditions with afternoon drizzle. Prepare for temperature drops.

Mt. Yotei — 羊蹄山

霧雨に濡れる羊蹄山低体温症に厳重警戒

Drizzle and Low Visibility on Yotei. Hypothermia Risk Above Treeline.

Mt. Yotei — 羊蹄山

山頂は霧雨と低温濡れと冷えに注意

Misty Summit, Chilly and Damp. Light Drizzle Expected Above Tree Line.

Mt. Yotei — 羊蹄山

独立峰強風と低温。森林限界以上は低体温症に警戒

Yotei Summit Exposed to Strong Gusts and Cold. Beware Hypothermia Above

Mt. Yotei — 羊蹄山

日中弱い霧雨。森林限界以上は風に注意

Daytime Wet Trails and Gusts. Prepare for Cooler Temps Above Treeline.

Mt. Yotei — 羊蹄山

羊蹄山山頂は風穏やか。森林限界以上は防寒を

Mild Conditions on Yotei Summit. Prepare for Chill Above Tree Line with Wet

Mt. Yotei — 羊蹄山

羊蹄山穏やかな登山日和。森林限界上は風に注意

Mild morning for Yotei ascent. Anticipate increasing wind gusts above the

Mt. Yotei — 羊蹄山

羊蹄山登山道は概ねドライ。快適な登高期待

Mild Morning Hike on Yotei. Expect Dry Trails and Light Winds.

Mt. Yotei — 羊蹄山

羊蹄山静穏な一日。山頂火口縁は視界良好

Mild Conditions on Yotei. Light Winds and Rising Temperatures.

Mt. Yotei — 羊蹄山

曇り穏やか午後にわか雨。独立峰の急変に警戒

Mild Cloudy Morning. Light Rain Possible Afternoon. Be Wary of Sudden Yotei

Mt. Yotei — 羊蹄山

午前晴天午後霧雨と視界不良独立峰の急変注意

Afternoon Drizzle and Poor Visibility. Prepare for Rapid Weather Changes on

Mt. Yotei — 羊蹄山

濡れた急登とガス。視界不良に警戒せよ

Misty Conditions and Light Rain. Expect Wet and Slippery Trails Today.

Mt. Yotei — 羊蹄山

羊蹄山霧雨に濡れ気温低下、防寒備え早めの行動を

Gentle Drizzle and Mild Winds Today. Prepare for Afternoon Temperature Drop.

Mt. Yotei — 羊蹄山

午後は霧雨と低温。火口縁は視界不良

Afternoon rain and cooling temperatures. Poor visibility around the crater rim.

Mt. Yotei — 羊蹄山

羊蹄山、森林限界以上は冬の様相

Cold, windy conditions persist on Yotei Summit. Winter layering essential above

Mt. Yotei — 羊蹄山

独立峰の風と霧雨森林限界は低体温症警戒

Persistent Drizzle and Strong Gusts on Exposed Slopes. Prepare for Hypothermia

Mt. Yotei — 羊蹄山

雨と風が体温を奪う森林限界上は低体温警戒

Persistent Rain and Low Temperatures. Hypothermia Risk on Exposed Alpine Zones.

Mt. Yotei — 羊蹄山

森林限界上は冬の体感。独立峰の強風に注意。

Yotei Summit Cloudy and Chilly. Prepare for Gusts Above Treeline.

Mt. Yotei — 羊蹄山

羊蹄山頂は氷点下。突風吹き荒れ低体温症に警戒

Yotei Summit: Sub-Zero Drizzle and Severe Gusts. Hypothermia Risk High.

Mt. Yotei — 羊蹄山

羊蹄山視界不良の雲中歩行。火口縁の滑落に注意

Cloudy summit, limited visibility. Wet ground. Prepare for rapid temperature

Mt. Yotei — 羊蹄山

午前は穏やか午後から独立峰の風

Gentle Morning Ascent. Prepare for Stronger Winds and Cooler Temperatures

Mt. Yotei — 羊蹄山

独立峰穏やかな日中。夜間の冷え込みに備えよ

Mild Summit Winds, Clear Skies by Evening. Prepare for Overnight Temperature

Mt. Yotei — 羊蹄山

快晴の羊蹄山山頂からの眺望を堪能せよ

Clear Skies and Gentle Winds on Yotei. Enjoy Summit Views Before Evening Chill.

Mt. Yotei — 羊蹄山

独立峰快晴。午後から風強まり冷え込む

Clear morning, then increasing clouds. Be ready for sharp evening temperature

2026 / May

27 reports

Mt. Yotei — 羊蹄山

羊蹄山午後風強まり稜線は警戒

Afternoon winds intensify on exposed ridges. Prepare for cool temperatures and

Mt. Yotei — 羊蹄山

日中、強風と霧雨が続く。稜線は極めて危険

Strong Gusts and Freezing Rain Expected. Avoid Exposed Alpine Sections Today.

Mt. Yotei — 羊蹄山

独立峰の霧雨と突風。濡れた岩稜に細心の注意

Chilly Mist and Gusty Winds on Yotei. Prepare for Wet, Exposed Conditions.

Mt. Yotei — 羊蹄山

独立峰羊蹄山は霧雨。体感温度は低く防寒を

Light drizzle and cool temperatures on Yotei. Prepare for dampness and moderate

Mt. Yotei — 羊蹄山

羊蹄山独立峰の曇天。気温差に注意

Cloudy day on Yotei. Expect cool conditions above tree line.

Mt. Yotei — 羊蹄山

独立峰の晴れ間。山頂は肌寒く

Improving Visibility on Yotei. Dry Trails Above Forest Line. Summit Winds

Mt. Yotei — 羊蹄山

日中穏やか快晴へ。森林限界上はドライに

Mild morning clearing to sunny afternoon. Expect wet forest trails, dry higher

Mt. Yotei — 羊蹄山

独立峰の強風と視界不良午後は霧雨に注意

Cloudy summit, freezing temperatures, and strong gusts. Prepare for afternoon

Mt. Yotei — 羊蹄山

日中も氷点下の体感。森林限界以上は低体温症に警戒

Cold Daytime Summit Conditions. Prepare for Wind Gusts and Rapid Temperature

Mt. Yotei — 羊蹄山

独立峰の天候急変。午後から霧雨と冷え込み

Morning clear, then afternoon drizzle with temperature drop. Prepare for rapid

Mt. Yotei — 羊蹄山

羊蹄山穏やかな曇り。気温変化に警戒

Gentle cloudy conditions persist. Warming trend by noon. Evening temperatures

Mt. Yotei — 羊蹄山

曇天高湿の独立峰。森林限界以上は低体温症に厳重警戒

Cloudy Summit with High Humidity. Prioritize Layering to Mitigate Hypothermia

Mt. Yotei — 羊蹄山

独立峰の曇天午後からの気温低下に備えよ

Cloudy conditions with mild winds. Be prepared for evening temperature drop.

Mt. Yotei — 羊蹄山

春の羊蹄穏やか。森林限界上は風に注意

Spring warmth on Yotei. Watch for increasing winds above treeline from midday.

Mt. Yotei — 羊蹄山

独立峰の朝視界不良と冷気。行動は慎重に

Yotei Summit: Limited visibility morning. Clearing later, cold. Layer up for

Mt. Yotei — 羊蹄山

独立峰の好天火口縁は風に注意

Clear Skies and Mild Ascent. Prepare for Evening Chill Above Timberline.

Mt. Yotei — 羊蹄山

独立峰の清々しい快晴。山頂からの眺望は期待できる

Clear Morning on Yotei. Gentle Winds and Excellent Visibility. Prepare for

Mt. Yotei — 羊蹄山

日中は好天。森林限界以下は泥濘に注意。

Clear Skies for Yotei Summit. Expect Muddy Lower Sections and Cold Nights.

Mt. Yotei — 羊蹄山

羊蹄山快晴から霧雨へ独立峰の急変に備えよ

Clear Morning on Yotei. Midday Mist and Gusts Expected. Prepare for Rapid

Mt. Yotei — 羊蹄山

羊蹄山穏やかな日中。夕方以降は急激な冷え込みに注意

Mild Spring Ascent with Afternoon Warming. Prepare for Significant Evening

Mt. Yotei — 羊蹄山

森林限界上は強風。低体温症に厳重警戒

Increasing Winds and Warming Temperatures. Prepare for Exposed Alpine Ridges.

Mt. Yotei — 羊蹄山

蝦夷富士快晴の展望。火口縁は滑落注意

Calm spring ascent on Yotei. Prepare for icy sections near crater rim.

Mt. Yotei — 羊蹄山

独立峰の霧雨と強風森林限界で低体温警戒

Light Drizzle and Strong Gusts on Yotei. Hypothermia Risk High Above Treeline.

Mt. Yotei — 羊蹄山

霧雨と低温続く長丁場。滑りやすい足元に注意

Persistent Light Rain and Low Visibility. Wet and Muddy Conditions on All

Mt. Yotei — 羊蹄山

独立峰の強風と冷気。森林限界超は低体温に注意

Strong Gusts and Low Apparent Temps on Exposed Slopes. Prepare for Alpine Cold.

Mt. Yotei — 羊蹄山

独立峰の展望広がる。火口縁の突風に注意

Clear Skies and Moderate Winds. Watch for Gusts on Exposed Ridges.

Mt. Yotei — 羊蹄山

羊蹄快晴風強く体感低い。防寒具を

Clear Skies on Yotei. Expect Strong Gusts Above Treeline. Prepare for Cold.