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snowy resort
Lat Long: 36.64° N 138.51° E
Ski Japan - Gunma

Manza Onsen Snow Forecast

Weather Forecast for Manza Onsen at 1820m altitude

Issued: 2 pm 11 Aug 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 33.0mm), heaviest during Tue afternoon. Very mild (max 18°C on Thu afternoon, min 12°C on Wed morning). Winds decreasing (fresh winds from the ESE on Tue night, light winds from the SE by Fri morning).

Days 4-6 weather summary:

Heavy rain (total 28.0mm), heaviest during Sat morning. Warm (max 20°C on Mon morning, min 14°C on Sat night). Wind will be generally light.

Tue
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
heavy rain
light rain
light rain
light rain
rain showers
rain showers
rain showers
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
rain showers
part cloud
rain showers
rain showers
light rain
heavy rain
light rain
light rain
light rain
rain shwrs
rain shwrs
rain shwrs
t-storm
risk
t-storm
risk
rain shwrs
t-storm
risk
t-storm
risk
rain shwrs
some clouds
rain shwrs
rain shwrs
km/h
25
N
25
ENE
30
SE
25
SE
20
SE
15
SE
10
SE
10
SE
5
SE
5
SE
5
SE
0
NE
5
N
10
N
10
N
5
NNE
0
NNW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
5
14
4
2
2
2
1
2
1
4
6
5
8
1
3
1
max °C
14
14
13
13
13
17
18
14
18
18
15
16
17
15
18
18
16
min °C
13
13
12
13
13
15
16
14
16
16
15
15
15
14
16
17
16
 chill °C
11
10
10
11
11
14
16
13
16
16
15
15
15
14
16
17
16
Humid %
92
96
94
93
91
75
65
86
75
72
90
90
87
82
70
77
81
Freeze m
4650
4650
4450
4400
4500
4650
4550
4650
4650
4700
4750
4750
4850
4900
4850
4900
5000
Sea lvl1000m2000m3000m4000m5000m
13131212131516141616141515141616151414131313181814191815171714201815
Sunrise
5:00
5:01
5:01
5:01
5:03
Sunset
6:42
6:40
6:39
6:38
6:37
6:36

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network


Snow Radar

Latest snow reports near Manza Onsen:

No recent snow reports

No recent snow reports

Manza Onsen Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall: 9 May 2026
Snow AlertsCreate Alert
Other resorts in Japan - Gunma are reporting: powder (0) / good piste (0)

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Snow History

Week 2 of August 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.

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