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snowy resort
Ski Japan - Gunma

Manza Onsen Snow Forecast

36.64° N 138.51° E
1820m altitude
Issued:
2 am 19 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 40.0mm), heaviest during Thu afternoon. Very mild (max 18°C on Wed morning, min 16°C on Wed night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 27.0mm), heaviest during Sat afternoon. Warm (max 20°C on Mon morning, min 15°C on Sat night). Wind will be generally light.

Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
thunderstorm
rain showers
thunderstorm
thunderstorm
light rain
thunderstorm
thunderstorm
rain showers
light rain
thunderstorm
rain showers
thunderstorm
thunderstorm
thunderstorm
rain showers
thunderstorm
rain showers
rain shwrs
t-storm
risk
rain shwrs
t-storm
risk
t-storm
risk
light rain
t-storm
risk
t-storm
risk
rain shwrs
light rain
t-storm
risk
rain shwrs
t-storm
risk
t-storm
risk
t-storm
risk
rain shwrs
t-storm
risk
rain shwrs
km/h
0
WSW
5
NE
0
S
0
NNE
5
NE
5
S
5
WNW
5
W
5
W
5
WNW
5
WNW
5
SW
5
WSW
5
WNW
5
SSW
5
WSW
0
WSW
5
WSW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
1
5
1
6
10
4
3
8
2
1
6
3
3
4
3
1
5
1
max °C
18
18
17
17
17
17
17
17
16
17
17
16
18
18
17
20
19
17
min °C
17
17
16
17
17
16
16
17
16
16
17
15
16
17
16
18
18
17
 chill °C
17
17
16
17
17
16
16
17
16
16
17
15
16
17
16
18
18
17
Humid %
79
83
92
85
89
88
92
88
86
82
85
89
87
82
88
80
79
79
Freeze m
4950
4900
4800
4850
4950
4950
4850
4950
4900
4850
4800
4900
4850
5000
5000
4950
4950
5200
Sea lvl1000m2000m3000m4000m5000m
171716161616161615161615171716181817201816181716181715181715191816211916
Sunrise
5:05
5:05
5:07
5:07
5:09
5:09
Sunset
6:31
6:30
6:30
6:29
6:27
6:25

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 3 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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