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Ski Japan - Niigata

Itoigawa Seaside Valley Snow Forecast

Weather Forecast for Itoigawa Seaside Valley at 740 m
Issued: 2 pm  30 Dec 2025 (local time)

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New snow in Itoigawa Seaside Valley

3.0cm1.2in
Tue 30th (NGT)
The snow forecast for Itoigawa Seaside Valley is: Light rain (total 4.0mm) on Tue afternoon. Becoming colder with heavy fall of snow, heaviest during Wed night. Freeze-thaw conditions (max 3°C on Tue afternoon, min -5°C on Thu night). Wind will be generally light.

Itoigawa Seaside Valley Weather (Next 3 days): The snow forecast for Itoigawa Seaside Valley is: Light rain (total 4.0mm) on Tue afternoon. Becoming colder with heavy fall of snow, heaviest during Wed night. Freeze-thaw conditions (max 3°C on Tue afternoon, min -5°C on Thu night). Wind will be generally light.

Itoigawa Seaside Valley Weather (Days 4-6): A heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max 0°C on Sun morning, min -5°C on Fri night). Winds increasing (light winds from the NW on Fri afternoon, strong winds from the WNW by Mon morning).


Itoigawa Seaside Valley Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 
2
15
light rain
Middle Lift: 
4
10
light rain
Bottom Lift: 
5
10
light rain
6 Day Forecast
Issued: 2 pm 30 Dec 2025 / Updates in ::
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Last 6 daysScroll left for last 6 daysNow
Tue
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
light snow
light snow
mod snow
heavy snow
mod snow
light snow
heavy snow
mod snow
heavy snow
heavy snow
light snow
snow showers
snow showers
light snow
heavy snow
heavy snow
light rain
light snow
light snow
mod. snow
heavy snow
mod. snow
light snow
heavy snow
mod. snow
heavy snow
heavy snow
light snow
snow shwrs
snow shwrs
light snow
heavy snow
heavy snow
 km/h
15
W
15
WSW
20
W
25
W
10
W
10
NW
10
W
10
NNW
5
WNW
15
NNW
15
WNW
20
W
20
W
15
SW
25
WSW
20
W
35
WNW
Snow map
3
4
7
15
6
5
18
7
15
19
1
1
4
16
33
4
max °C
3
1
0
0
-3
-3
-3
-4
-3
-4
-4
-2
-2
-1
0
0
-3
min °C
2
-1
-1
-2
-4
-3
-4
-5
-4
-4
-5
-4
-4
-4
0
-1
-5
-2
-6
-7
-6
-7
-7
-7
-8
-4
-9
-11
-10
-9
-9
-6
-6
-14
91
93
92
91
94
94
91
96
90
96
94
92
88
75
93
95
91
1150
700
600
700
200
300
350
100
100
200
0
200
450
150
800
800
200
Sea lvl1000m2000m3000m4000m5000m
30-1-1-4-3-4-5-4-4-5-3-3-30-1-46343011-20-1-210-233-1
Sunrise
7:01
7:01
7:01
7:01
7:01
Sunset
4:39
4:40
4:42
4:42
4:43
4:44
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Snow Radar

Submit a report Eyeball Reporter

Latest snow reports near Itoigawa Seaside Valley:

  • 33 km away from Itoigawa Seaside Valley

    7 hours ago
    weather station observation

    Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen

  • 33 km away from Itoigawa Seaside Valley

    8 hours ago
    weather station observation

    Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen but it is probably falling as rain at the bottom of the ski area from Iizuna Kogen

Itoigawa Seaside Valley Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall:27 Dec 2025
Snow AlertsCreate Alert
Other resorts in Japan - Niigata are reporting: powder (2) / good piste (2)


Snow History

Week 4 of December has on average:
0.4
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
2.7
Powder days
Fresh snow, limited sun, any wind.
0.1
Bluebird days
Average snow, mostly sunny, light wind.



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