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 06:58 AM and sunset is at 04:49 PM.

Days 1–3 Weather Summary

Light rain (total 8mm) at first, then becoming colder with a dusting of snow on Mon night. Icy conditions (max 11°C on Sat morning, min 0°C on Mon night). Winds increasing (calm on Mon morning, strong winds from the NW by Mon night).

Days 4–6 Weather Summary

A moderate fall of snow, heaviest on Wed night. Icy conditions (max 1°C on Wed morning, min -1°C on Tue morning). Winds decreasing (strong winds from the WNW on Tue morning, light winds from the W by Thu night).

Days 7–9 Weather Summary

A heavy fall of snow, heaviest during Fri morning. Becoming milder with drizzle, on Sun night. Freeze-thaw conditions (max 2°C on Sun night, min -1°C on Fri morning). Winds increasing (light winds from the NW on Fri morning, strong winds from the WNW by Sat night).

Days 10–12 Weather Summary

Light rain (total 3mm), mostly falling on Mon morning. Freeze-thaw conditions (max 3°C on Mon afternoon, min -1°C on Wed night). Winds decreasing (fresh winds from the WNW on Mon morning, calm by Tue night).

Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Saturday
31
Sun
1
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
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
5:29PM0.27m
00:53AM0.33m
5:38PM0.26m
1:36AM0.34m
5:35PM0.24m
2:17AM0.33m
5:33PM0.21m
2:57AM0.30m
5:46PM0.18m
3:39AM0.26m
6:05PM0.15m
6:22PM0.13m
6:36PM0.12m
6:26AM0.12m
6:52PM0.14m
7:58AM0.10m
7:15PM0.17m
11:38AM0.10m
7:49PM0.21m
8:36PM0.25m
9:43PM0.28m
11:01PM0.31m
Low Tide
8:30AM0.07m
6:54PM0.27m
9:10AM0.06m
7:49PM0.26m
9:49AM0.04m
8:42PM0.23m
10:25AM0.01m
9:33PM0.19m
10:59AM-0.02m
10:20PM0.14m
11:31AM-0.04m
11:07PM0.09m
12:00PM-0.05m
11:54PM0.05m
12:24PM-0.03m
00:46AM0.01m
12:42PM0.00m
1:47AM-0.01m
12:51PM0.05m
3:08AM-0.03m
12:25PM0.10m
4:40AM-0.03m
5:58AM-0.03m
7:06AM-0.04m
8:08AM-0.04m
Wave
height (m) 
direction
period (s) 
1.1
NW
8
1.8
WNW
6
1.9
NW
7
1.6
NW
9
1.3
NW
8
0.9
NNW
7
0.8
NNW
7
0.7
N
7
1.8
NW
6
3
NW
8
3.5
NW
10
3
NW
10
2.4
NW
10
1.9
NW
9
2.1
NW
8
3
NW
9
2.4
NW
9
1.8
NW
9
1.5
NW
8
1.3
NW
8
1.6
NW
8
1.8
NW
8
2.3
NW
8
3
NW
9
2.3
NW
9
2.3
NW
8
1.8
NW
8
1.8
NW
8
1.9
NW
8
1.9
NW
8
1.4
NNW
7
1
NNW
7
0.9
NNW
7
0.8
N
7
0.7
N
7
0.5
N
6
0.5
N
6
0.6
NNW
8
1
NW
10
1.8
NW
7
2.5
NW
8
2.5
NNW
9
1.8
NW
7
2.5
WNW
7
2.1
NW
9
1.7
NW
9
1.5
NW
9
part cloud
light rain
cloud
cloud
part cloud
part cloud
cloud
light rain
light snow
light snow
cloud
light snow
cloud
cloud
light snow
cloud
cloud
light snow
light snow
light snow
light snow
light snow
light snow
light snow
light snow
light snow
light rain
light rain
light rain
part cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
light rain
snow showers
light rain
light snow
light snow
light rain
light rain
light rain
light rain
light rain
some clouds
light rain
cloudy
cloudy
some clouds
some clouds
cloudy
light rain
light snow
light snow
cloudy
light snow
cloudy
cloudy
light snow
cloudy
cloudy
light snow
light snow
light snow
light snow
light snow
light snow
light snow
light snow
light snow
light rain
light rain
light rain
some clouds
cloudy
cloudy
cloudy
cloudy
some clouds
cloudy
cloudy
light rain
snow shwrs
light rain
light snow
light snow
light rain
light rain
light rain
light rain
light rain
 km/h
20
SSE
40
NW
30
WNW
20
NW
15
NNW
10
E
10
E
20
SW
35
NW
45
WNW
45
WNW
45
WNW
35
WNW
25
WNW
35
NNW
45
WNW
40
WNW
25
NNW
10
SW
15
NNW
20
NW
25
NNW
35
NW
45
WNW
40
NW
35
NW
25
WNW
30
WNW
30
WNW
30
NW
20
NW
15
NW
5
SW
15
SSW
10
SSW
5
SE
10
S
20
SSW
20
W
30
WNW
45
W
30
WNW
35
W
40
WNW
35
WNW
30
WNW
25
NW
 mm 
1
2
5
1
1
2
3
2
2
1
2
2
4
2
2
max°C
11
7
4
4
4
3
5
8
7
-1
-1
0
1
1
0
0
0
0
-1
0
1
0
0
0
1
1
2
2
3
3
2
2
2
2
2
0
1
2
3
3
2
2
3
3
3
4
4
Moonrise
5:57
6:43
7:21
7:53
8:22
8:47
9:11
9:35
10:01
10:30
11:04
11:47
12:41
1:45
2:58
4:14
Moonset
3:02
4:03
5:08
6:14
7:20
8:25
9:31
10:38
11:48
1:00
2:15
3:29
4:37
5:36
6:23
Sunrise
6:58
6:56
6:56
6:56
6:56
6:54
6:54
6:54
6:54
6:52
6:52
6:52
6:50
6:50
6:48
6:48
Sunset
4:49
4:50
4:51
4:52
4:52
4:53
4:54
4:55
4:58
4:59
5:00
5:00
5:01
5:02
5:04
5:05
Today's sea temperature in Niigata is
12.8° C
(Statistics for 17 Jan 1981-2005 – mean: 11.2 max: 12.9 min: 9.4°C)
Issued (local time): 2 am Saturday 17 Jan 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest