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Lat Long: 37.89° N 139.97° E
Ski Japan - Yamagata

Sun Marina Tamaniwa Ski Park Snow Forecast

Weather Forecast for Sun Marina Tamaniwa Ski Park at 410m altitude

Issued: 8 pm 14 Aug 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Moderate rain (total 10.0mm), heaviest on Sat afternoon. Warm (max 27°C on Sat morning, min 18°C on Sun night). Wind will be generally light.

Days 5-7 weather summary:

Light rain (total 4.0mm), mostly falling on Wed afternoon. Warm (max 29°C on Wed morning, min 19°C on Mon night). Wind will be generally light.

Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
thunderstorm
thunderstorm
light rain
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
thunderstorm
part cloud
light rain
t-storm
risk
t-storm
risk
light rain
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
cloudy
some clouds
some clouds
some clouds
t-storm
risk
some clouds
km/h
5
ESE
5
SE
10
ESE
5
ESE
5
SE
5
ESE
5
SE
5
ESE
5
SE
5
SE
5
SE
5
E
5
ESE
5
E
10
E
5
ESE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
2
2
5
1
2
max °C
21
27
27
21
26
25
19
24
26
21
25
28
21
29
29
22
min °C
20
24
22
19
23
22
18
21
23
19
24
24
19
26
24
21
 chill °C
20
24
22
19
23
22
18
21
23
19
24
24
19
26
24
21
Humid %
97
82
74
94
69
68
91
80
69
91
74
66
90
78
69
95
Freeze m
4800
4750
4800
4800
4850
4950
5150
5050
5150
5200
5050
5200
5150
5200
5250
5100
Sea lvl1000m2000m3000m4000m5000m
2123242023232022232124252225262221262520252419232520252620282722
Sunrise
4:54
4:54
4:56
4:56
4:58
Sunset
6:34
6:31
6:30
6:30
6:28

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network

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Latest snow reports near Sun Marina Tamaniwa Ski Park:

No recent snow reports

No recent snow reports

Sun Marina Tamaniwa Ski Park Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall: 7 Apr 2026
Snow AlertsCreate Alert
Other resorts in Japan - Yamagata 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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