山岳レポート – 日本山岳気象レポート

Latest Report — 2026-07-28 07:07 JST

苗場山：午後から雨。広大な湿原の道迷いに警戒

苗場山頂は午前7時現在、視程1km未満の霧に覆われている。ほぼ晴れとあるが、山頂台地は既にガスの中だ。山麓との気温差は7度あり、山頂は14.1度、体感は13.5度。風は弱い。午前9時以降は薄曇りとなるが、正午には弱い霧雨が始まり、午後3時には雨となる予報。降水確率は午後にかけ98%から100%と非常に高い。広大な山頂台地での行動は、視界不良と降雨で困難を増す。特に東西4km

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81 件

2026 / July

24 reports

Mt. Naeba — 苗場山

午後から雨。広大な湿原の道迷いに警戒

Afternoon rain and limited visibility on the plateau. Navigate carefully to

Mt. Naeba — 苗場山

山頂台地は霧雨。湿った木道と視界不良に注意

Misty Rain and Wet Boardwalks. Expect Reduced Visibility on Naeba's Summit

Mt. Naeba — 苗場山

山頂台地は濃霧と霧雨。道迷いに厳重警戒

Dense Fog and Drizzle on Summit Plateau. High Risk of Disorientation.

Mt. Naeba — 苗場山

快晴の湿原散策午後は霧雨に注意

Naeba Summit: Clear Morning for Plateau Exploration. Afternoon Drizzle Risk.

Mt. Naeba — 苗場山

台地は霧雨に注意。湿原歩行は慎重に

Misty conditions developing on Naeba's summit plateau. Navigate carefully,

Mt. Naeba — 苗場山

広大な台地は高湿度。午後雷雨の兆候に注意

Cool Breezes and High Humidity on Naeba Summit Plateau. Watch for Afternoon

Mt. Naeba — 苗場山

湿原台地は霧雨と高湿度。木道滑りやすい。

Wet and Humid Conditions on Naeba Plateau. Expect Light Drizzle and Slippery

Mt. Naeba — 苗場山

苗場山頂湿原は好天。午後から霧雨に備えよ

Pleasant Summer Hiking on Naeba's Wetlands. Prepare for Afternoon Mist.

Mt. Naeba — 苗場山

霧雨の湿原は道迷い注意。冷涼な一日

Misty plateau, high humidity, cool conditions. Risk of disorientation on

Mt. Naeba — 苗場山

台地湿原、午後は雨と霧で道迷い警戒

Naeba Plateau clear morning, prepare for afternoon rain and potential fog

Mt. Naeba — 苗場山

湿原台地は霧。滑りやすい木道に注意。

Foggy Plateau Conditions. Wet Boardwalks and Afternoon Drizzle Require Caution.

Mt. Naeba — 苗場山

湿原は穏やか。午後には天候変化と雷雨警戒

Mild Morning on Naeba Plateau. Prepare for Afternoon Showers and Thunderstorm

Mt. Naeba — 苗場山

苗場山頂湿原は快晴。池塘巡り好適

Clear Skies and Mild Winds. Enjoy Naeba's Highland Wetlands and Alpine Flowers.

Mt. Naeba — 苗場山

苗場山頂台地は濃霧と雨視界不良に注意

Persistent rain and dense fog on Naeba's plateau. Navigate with extreme caution

Mt. Naeba — 苗場山

山頂湿原は霧雨模様。道迷いに警戒

Misty conditions on Naeba's plateau. Expect wet trails and maintain visibility

Mt. Naeba — 苗場山

台地の木道は濡れ滑りやすい。午後は霧雨

Wet Wooden Paths on Plateau. Prepare for Afternoon Mist and Slippery Conditions.

Mt. Naeba — 苗場山

午前は視界良好午後霧雨と視界悪化

Clear Morning on Maebayama Plateau. Afternoon Drizzle and Potential Fog.

Mt. Naeba — 苗場山

湿原散策に好条件。午後は薄曇りへ

Mild Morning for Wetland Exploration. Afternoon Clouds with No Significant Rain.

Mt. Naeba — 苗場山

苗場山頂台地穏やかな湿原歩き。午後は薄雲

Clear Morning for Plateau Hike. Expect Mild Clouding by Afternoon.

Mt. Naeba — 苗場山

台地は濃霧と霧雨。道迷いと低体温に警戒

Dense fog on summit plateau. Prepare for light rain and limited visibility

Mt. Naeba — 苗場山

苗場山頂台地穏やかな一日。視界良好

Calm Conditions on Naeba Plateau. Enjoy Wetland Trails Today.

Mt. Naeba — 苗場山

湿原は霧中歩行は道迷いと足元に注意

Misty Plateau, Limited Visibility. Expect Chilly, Wet Conditions. Navigate

Mt. Naeba — 苗場山

山頂台地は霧と低温視界不良で道迷い警戒

Limited visibility and cold rain on Naeba's summit plateau. Expect wet

Mt. Naeba — 苗場山

苗場山頂台地は穏やか。夕方から雨に備えよ

Naeba Plateau offers calm conditions and clear views today, but prepare for

2026 / June

30 reports

Mt. Naeba — 苗場山

苗場台地は霧雨。視界と足元に注意を

Light Drizzle on Naeba Plateau. Visibility Concerns on Wet Wooden Paths.

Mt. Naeba — 苗場山

湿原は霧と雨。足元注意し視界確保を

Poor Visibility on Naeba Plateau. Expect Light Drizzle and Wet, Slippery Trails.

Mt. Naeba — 苗場山

山頂台地は濃霧。午後は霧雨で道迷い注意

Dense Fog on Plateau. Afternoon Drizzle Expected. Exercise Caution on Wet

Mt. Naeba — 苗場山

山頂台地は濃霧に包まれ視界不良。道迷いに注意

Dense Fog on Summit Plateau. Navigation Caution Advised. Cool and Damp

Mt. Naeba — 苗場山

雨と霧の台地。湿原の道迷いに警戒

Persistent Rain and Mist on Naeba Plateau. Expect Wet Trails and Limited

Mt. Naeba — 苗場山

苗場山頂濃霧。湿原台地は滑りやすく冷える

Dense Fog on Naeba Plateau. Navigate Carefully, Prepare for Wet Trails.

Mt. Naeba — 苗場山

山頂台地は視界不良。濃霧に警戒せよ

Misty Summit Plateau Today. Prepare for Poor Visibility in Wetlands.

Mt. Naeba — 苗場山

台地濃霧に注意。視界回復後も慎重な行動を

Naeba Summit Plateau Foggy Early, Visibility Improving. Expect Wet Trails.

Mt. Naeba — 苗場山

台地は霧雨で冷え込む。木道での転倒と低体温症に警戒

Wet conditions on the plateau. Prepare for cold drizzle and slippery boardwalks.

Mt. Naeba — 苗場山

苗場台地は霧雨に包まれ視界不良の恐れ

Wet plateau trails expected. Prepare for limited visibility and potential for

Mt. Naeba — 苗場山

苗場台地は濃霧と霧雨。視界不良に警戒

Dense Fog and Drizzle on Naeba Plateau. Navigation Caution Essential.

Mt. Naeba — 苗場山

山頂台地は穏やか。湿原の木道外踏み込み禁止

Mild Conditions for Summit Plateau Traverse. Remain on Wooden Paths to Protect

Mt. Naeba — 苗場山

山頂台地は午後から霧雨。足元と視界に注意

Clear morning on the plateau, expect light drizzle by afternoon. Navigate the

Mt. Naeba — 苗場山

苗場山頂湿原は穏やか。絶景の木道歩きを楽しめ

Clear Skies and Gentle Winds on Naeba. Enjoy the Highland Marsh Trails Today.

Mt. Naeba — 苗場山

苗場山湿原台地穏やかな散策日和

Gentle Breeze, Clear Views on Naeba Summit. Ideal for Wetland Trek.

Mt. Naeba — 苗場山

苗場台地、曇り低温。防寒と道迷い警戒

Chilly, Humid, and Cloudy on Naeba Plateau. Stick to boardwalks, carry full

Mt. Naeba — 苗場山

湿原の木道は滑りやすい。午後は濃霧に注意

Mild Conditions for Plateau Traverse. Watch for Slippery Boardwalks and

Mt. Naeba — 苗場山

苗場山湿原午後から霧雨台地での濃霧道迷いに注意

Clear Morning on Naeba Summit. Light Drizzle and Potential Fog on Wetland

Mt. Naeba — 苗場山

霧雨の湿原、視界不良と低温に警戒

Cold Drizzle and Foggy Conditions on Naeba Plateau. Exercise Extreme Caution on

Mt. Naeba — 苗場山

山頂台地は霧雨予報。木道滑りやすい

Clear morning, but afternoon drizzle on Naeba Plateau. Mind wet wooden paths.

Mt. Naeba — 苗場山

山頂湿原は穏やか。午後は濃霧と道迷いに注意

Calm Morning on Naeba Plateau. Watch for Afternoon Fog and Humidity.

Mt. Naeba — 苗場山

霧に包まれる湿原台地足元と視界に警戒

Poor Visibility and Wet Conditions on Naeba Plateau. Stay on Boardwalks,

Mt. Naeba — 苗場山

苗場山台地濃霧。午後は霧雨で冷える

Misty plateau conditions, expect light drizzle and limited visibility

Mt. Naeba — 苗場山

湿原台地は濃霧と冷気。視界不良に備えよ

Naeba Summit Plateau Foggy. Prepare for Cold, Wet Conditions. Navigation

Mt. Naeba — 苗場山

湿原散策は快適。午後から雲行き変化

Mild conditions for Naeba's wetland trails. Prepare for afternoon cloudiness.

Mt. Naeba — 苗場山

苗場山台地視界良好。湿原の木道は慎重に

Naeba Plateau Offers Sunny Views. Prepare for Wet Trails in Wetland Areas.

Mt. Naeba — 苗場山

湿原台地は涼しく穏やか。視界確保を

Cool and Calm Naeba Plateau. Expect Clouds, but No Rain. Stay on Boardwalks.

Mt. Naeba — 苗場山

湿原は雨とガス。道迷いと低体温症に警戒

Persistent Rain and Low Visibility on Naeba Plateau. Exercise Extreme Caution.

Mt. Naeba — 苗場山

苗場山頂台地穏やか。夕方から冷え込み雨へ

Mild Conditions for Plateau Traverse. Prepare for Evening Drizzle and

Mt. Naeba — 苗場山

快晴の湿原台地。花咲く池塘を巡る

Clear skies, gentle breeze. Ideal conditions for exploring Naeba's alpine

2026 / May

27 reports

Mt. Naeba — 苗場山

苗場山頂湿原は穏やか。視界良好

Gentle breeze and clear views on Naeba summit. Ideal for high moor exploration.

Mt. Naeba — 苗場山

苗場山快晴の湿原散策日和。視界良好

Clear skies and mild temperatures at Naeba. Ideal for exploring the high moor.

Mt. Naeba — 苗場山

苗場台地霧雨から快晴へ視界回復

Morning Drizzle and Poor Visibility on Naeba Plateau. Clear Skies Expected by

Mt. Naeba — 苗場山

日中は穏やかだが午後から霧雨。台地は濡れ冷え込む

Mild Morning on Naeba Plateau. Prepare for Afternoon Rain and Temperature Drop.

Mt. Naeba — 苗場山

苗場山台地晴天も視界不良。濃霧に警戒

Naeba Summit Plateau: Clear Morning, but Watch for Rapid Fog Development and

Mt. Naeba — 苗場山

湿原は穏やかな薄曇り。快適な高層湿原歩きを

Gentle conditions for plateau trekking. Enjoy the clear views.

Mt. Naeba — 苗場山

山頂湿原は霧。道迷いリスクに警戒

Limited visibility on Naeba's wet summit plateau. Navigate with extreme caution

Mt. Naeba — 苗場山

苗場山頂台地は霧。湿潤と低温に警戒を

Summit plateau obscured by fog. Wet, cold conditions. Navigate with caution.

Mt. Naeba — 苗場山

湿原台地視界不良と風冷えに注意

Limited Visibility on Naeba Summit Plateau. Prepare for Evening Light Rain.

Mt. Naeba — 苗場山

霧雨煙る山頂湿原視界不良に道迷い警戒

Foggy Summit Plateau. Expect Wet Conditions and Limited Visibility. Navigate

Mt. Naeba — 苗場山

山頂台地は濃霧と霧雨視界不良に警戒

Concentrated fog and mist persist. Navigate the plateau with extreme caution.

Mt. Naeba — 苗場山

苗場山頂台地は快晴。広大な湿原を堪能せよ

Clear skies and excellent visibility on Naeba summit. Enjoy the vast high moor.

Mt. Naeba — 苗場山

広大な湿原は快晴。午後の気温低下に備えよ

Clear Skies Over Naeba Summit Plateau. Enjoy Views, Mind Afternoon Temperature

Mt. Naeba — 苗場山

苗場山快晴の山頂台地を辿る好機

Clear Skies and Warming Temperatures. Ideal for Naeba's Wetland Traverse.

Mt. Naeba — 苗場山

苗場山快晴。広大な湿原を望む好機

Clear Skies and Mild Winds on Mt. Naeba. Ideal for Marshland Exploration.

Mt. Naeba — 苗場山

快晴の苗場山台地広大な湿原を快適に

Clear Skies and Calm Winds on Naeba Plateau. Ideal for Wetland Exploration.

Mt. Naeba — 苗場山

苗場山頂穏やか。湿原散策に好適

Clear Skies and Gentle Breezes on Naeba Summit. Ideal for Wetland Exploration.

Mt. Naeba — 苗場山

苗場山台地は午後霧雨。濃霧道迷いに警戒

Clear Morning on Naeba Plateau. Expect Light Drizzle and Potential Fog in

Mt. Naeba — 苗場山

湿原は午後に霧雨。冷え込みに備え早めの行動を

Mild Morning on Naeba Plateau. Expect Light Drizzle and Reduced Visibility by

Mt. Naeba — 苗場山

苗場山頂台地霧雨と視界不良に警戒

Naeba Summit Plateau: Increasing Mist and Light Rain. Caution on Wooded Paths.

Mt. Naeba — 苗場山

苗場台地は穏やか。湿原散策に好適

Gentle Spring Day on Naeba Plateau. Ideal for Wetland Trails. Minimal Winds.

Mt. Naeba — 苗場山

苗場山頂台地は穏やか。残雪と湿原に注意

Clear Skies and Warming Temperatures on Naeba. Expect Patchy Snow and Wet

Mt. Naeba — 苗場山

午前中は強い雪と突風。視界不良の台地は慎重に

Morning Snow and Gusts, Limited Visibility on Plateau. Clearing Midday.

Mt. Naeba — 苗場山

湿原濡れ霧雨の気配。低温と道迷いに注意

Wet Plateau Conditions. Expect Rain and Dropping Temperatures.

Mt. Naeba — 苗場山

快晴の湿原台地。午前中が展望の鍵

Clear Skies Over Naeba Plateau. Enjoy Vast Wetlands, Mind Wooden Paths.

Mt. Naeba — 苗場山

苗場山頂は快晴。広大な湿原歩きに好適

Naeba Summit Plateau Offers Gentle Trekking. Prepare for Evening Temperature

Mt. Naeba — 苗場山

快晴の苗場山台地広大な湿原を歩む

Clear Skies Over Naeba Plateau. Enjoy Broad Marshlands, Mind Evening Chill.