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 07:07 PM.

Days 1–4 Weather Summary

Some drizzle, heaviest during Thu afternoon. Warm air temperatures (max 27°C on Fri morning, min 20°C on Fri night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 8mm), mostly falling on Mon night. Warm air temperatures (max 29°C on Mon morning, min 23°C on Tue night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 8mm), mostly falling on Thu afternoon. Warm (max 30°C on Thu morning, min 25°C on Wed night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Warm (max 30°C on Mon morning, min 24°C on Sun night). Wind will be generally light.

Thu
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tue
22
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
1:02PM0.46m
5:58AM0.40m
1:45PM0.48m
5:53AM0.39m
2:27PM0.48m
5:59AM0.36m
3:09PM0.46m
6:20AM0.34m
3:53PM0.43m
6:43AM0.31m
4:43PM0.38m
7:03AM0.29m
5:43PM0.34m
7:19AM0.28m
6:55PM0.29m
7:36AM0.30m
8:43PM0.27m
8:00AM0.33m
11:55PM0.28m
8:36AM0.37m
9:25AM0.42m
10:28AM0.47m
Low Tide
9:10PM0.18m
7:58AM0.39m
9:55PM0.17m
8:46AM0.38m
10:38PM0.15m
9:37AM0.35m
11:18PM0.13m
10:29AM0.31m
11:54PM0.12m
11:20AM0.27m
00:28AM0.12m
12:13PM0.22m
00:57AM0.13m
1:12PM0.19m
1:20AM0.17m
2:23PM0.16m
1:35AM0.22m
3:58PM0.14m
1:31AM0.28m
5:20PM0.14m
6:28PM0.14m
Wave
height (m) 
direction
period (s) 
0.2
N
4.0
0.4
N
6.0
0.7
N
7.0
0.8
N
6.0
0.7
N
5.0
0.5
N
7.0
0.4
N
6.0
0.2
N
5.0
0.2
N
4.0
0.2
NNE
2.0
0.3
NNE
3.0
0.3
E
2.0
0.4
ENE
4.0
0.5
SW
3.0
1.4
NW
7.0
1.1
NNW
7.0
1.3
NNW
9.0
1.1
N
10.0
0.9
N
9.0
0.6
N
8.0
0.4
N
8.0
0.3
N
7.0
0.2
NNW
5.0
0.1
NW
4.0
0.4
N
3.0
0.9
NNE
4.0
0.3
NNE
4.0
0.4
NNE
3.0
0.6
NNE
4.0
0.4
NNE
4.0
0.5
N
4.0
0.5
N
4.0
0.3
NNE
4.0
0.5
NNE
3.0
0.4
NNE
4.0
0.3
NNE
4.0
rain showers
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
rain showers
rain showers
cloud
part cloud
cloud
cloud
part cloud
rain showers
mod rain
thunderstorm
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain shwrs
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
rain shwrs
rain shwrs
cloudy
some clouds
cloudy
cloudy
some clouds
rain shwrs
mod rain
risk tstorm
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
 km/h
10
N
5
SE
10
ENE
20
NNE
10
SE
0
E
10
N
5
SE
0
SE
15
N
10
ESE
15
E
10
E
15
SW
25
WSW
20
SSW
5
S
10
ENE
15
N
10
SSE
5
ESE
10
WSW
15
ESE
5
SE
20
NNE
15
NE
5
N
20
NNE
0
ESE
5
NNE
20
N
10
ESE
10
E
25
NNE
10
SE
10
E
 mm 
1
6
2
1
6
1
max°C
26
24
27
27
24
25
25
23
27
28
26
29
28
26
24
25
24
27
27
27
30
27
26
29
27
25
28
28
25
28
29
28
30
29
29
29
Moonrise
7:04
7:47
8:24
8:55
9:22
9:47
10:12
10:37
11:06
11:40
12:22
1:13
Moonset
3:14
4:16
5:23
6:31
7:40
8:49
9:57
11:06
12:17
1:31
2:46
4:01
5:09
Sunrise
4:28
4:30
4:31
4:31
4:31
4:33
4:33
4:33
4:35
4:35
4:37
4:37
Sunset
7:07
7:07
7:07
7:07
7:06
7:06
7:05
7:05
7:04
7:04
7:02
7:01
Today's sea temperature in Niigata is 25.7 °C (Statistics for 10 Jul 1981-2005 – mean: 21.1 max: 22.9 min: 18.0°C)
Issued (local time): 2 pm Thursday 10 Jul 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest