Niigata Sea Conditions and Tide Table

Niigata Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at — and sunset is at 04:30 PM.

Days 1–4 Weather Summary

Mild with moderate rain (total 10mm) on Sat night. Becoming colder with a light covering of snow, mostly falling on Sat night. Icy conditions (max 6°C on Mon morning, min -1°C on Fri afternoon). Winds decreasing (near gales from the WNW on Fri afternoon, light winds from the SE by Sun night).

Days 5–7 Weather Summary

Heavy rain (total 36mm), mainly falling on Tue morning. Becoming colder with a light covering of snow, mostly falling on Wed afternoon. Icy conditions (max 8°C on Mon night, min 0°C on Wed night). Mainly fresh winds.

Days 8–10 Weather Summary

Heavy rain (total 29mm), heaviest during Fri night. Later becoming colder with a dusting of snow on Sun morning. Mild temperatures (max 5°C on Fri morning, min 2°C on Thu afternoon). Winds decreasing (strong winds from the WNW on Thu afternoon, light winds from the SW by Sun morning).

Days 11–13 Weather Summary

A dusting of snow giving way to moderate rain (total 18mm) heaviest on Mon night. Freeze-thaw conditions (max 5°C on Mon night, min 0°C on Tue night). Winds increasing (light winds from the WSW on Sun afternoon, strong winds from the WNW by Tue morning).

Fri
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tuesday
6
Wed
7
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
Wave Height Map
High Tide
8:21PM0.19m
6:10AM0.23m
8:26PM0.18m
7:28AM0.18m
8:33PM0.19m
9:36AM0.16m
8:54PM0.21m
12:21PM0.17m
9:28PM0.25m
10:15PM0.30m
11:13PM0.35m
00:19AM0.39m
4:54PM0.30m
1:23AM0.41m
5:16PM0.29m
2:23AM0.41m
5:45PM0.28m
3:19AM0.39m
6:16PM0.25m
Low Tide
1:04PM0.04m
00:45AM0.15m
1:33PM0.05m
1:50AM0.11m
1:58PM0.07m
3:24AM0.07m
2:16PM0.11m
5:06AM0.04m
2:30PM0.16m
6:10AM0.01m
7:06AM-0.00m
8:02AM0.00m
8:58AM0.00m
6:45PM0.29m
9:53AM0.01m
8:15PM0.28m
10:43AM0.01m
9:40PM0.25m
11:29AM0.01m
10:47PM0.20m
Wave
height (m) 
direction
period (s) 
4
NW
10
3.5
NW
11
2.3
NW
10
2
NW
9
1.7
NW
8
1.4
NW
8
1.3
NNW
8
0.9
NW
8
0.7
NW
7
0.7
WNW
8
2.3
WSW
6
1.7
W
6
1.2
WNW
8
1.3
WNW
8
1.7
WNW
8
2.2
NNW
7
2
NW
8
2.3
NW
9
2.3
NW
9
3
NW
10
3
NW
10
2.5
NW
10
2.3
NW
9
2.3
NW
9
2.5
NW
9
2.1
NW
9
1.6
NW
8
1.4
NW
8
1.3
NW
8
1.6
NW
8
1.9
NW
6
1.5
NW
8
2.5
NW
8
2.2
NW
9
1.3
NW
8
0.8
NW
7
cloud
light snow
light snow
light rain
light snow
rain showers
part cloud
clear
part cloud
part cloud
rain showers
heavy rain
light rain
light rain
mod rain
light snow
light snow
light snow
cloud
rain showers
light rain
light rain
heavy rain
light rain
cloud
light rain
light snow
light rain
light rain
rain showers
light rain
light snow
light rain
cloud
part cloud
cloud
cloudy
light snow
light snow
light rain
light snow
rain shwrs
some clouds
clear
some clouds
some clouds
rain shwrs
heavy rain
light rain
light rain
mod rain
light snow
light snow
light snow
cloudy
rain shwrs
light rain
light rain
heavy rain
light rain
cloudy
light rain
light snow
light rain
light rain
rain shwrs
light rain
light snow
light rain
cloudy
some clouds
cloudy
 km/h
55
WNW
50
WNW
25
WNW
25
WSW
15
NW
15
SSW
15
SSE
15
SSE
15
S
10
S
40
SW
25
WSW
15
W
25
W
30
W
40
NNW
30
NNW
30
NW
40
WNW
40
W
40
WNW
35
W
25
NW
30
WNW
35
WNW
25
WNW
5
SW
5
WSW
10
SW
30
WNW
35
WNW
10
NW
45
WNW
30
WNW
15
S
20
SSE
 mm 
1
8
1
7
12
4
5
8
2
1
5
13
2
4
2
2
2
2
2
8
2
max°C
0
1
2
4
5
4
5
5
6
7
8
8
8
7
5
1
1
2
2
3
5
4
4
5
5
5
2
3
4
4
4
5
3
5
4
3
Moonrise
11:07
11:31
11:58
12:30
1:08
1:57
2:57
4:08
5:24
6:40
7:52
Moonset
10:32
11:38
12:47
1:59
3:15
4:33
5:48
6:54
7:49
8:32
9:06
9:35
Sunrise
6:58
6:58
6:58
6:58
6:58
6:58
6:58
6:58
6:58
6:58
6:58
6:58
Sunset
4:30
4:30
4:30
4:31
4:31
4:32
4:34
4:35
4:36
4:36
4:37
4:37
Today's sea temperature in Niigata is
14.4° C
(Statistics for 26 Dec 1981-2005 – mean: 13.2 max: 15.1 min: 11.2°C)
Issued (local time): 2 pm Friday 26 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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