Awa Sima (Niigata) Sea Conditions and Tide Table

Awa Sima (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 04:27 PM.

Days 1–4 Weather Summary

Heavy rain (total 36mm), mainly falling on Thu night. Becoming colder with a light covering of snow, mostly falling on Fri afternoon. Icy conditions (max 9°C on Thu night, min -2°C on Fri afternoon). Mainly severe gales.

Days 5–7 Weather Summary

Moderate rain (total 16mm), heaviest on Mon night. Cool air temperatures (max 11°C on Mon night, min 3°C on Tue night). Winds decreasing (gales from the SW on Mon night, light winds from the E by Wed morning).

Days 8–10 Weather Summary

Moderate rain (total 15mm), heaviest on Wed night. Mild temperatures (max 8°C on Wed afternoon, min 2°C on Thu night). Winds decreasing (fresh winds from the SSW on Wed night, light winds from the SE by Sat morning).

Days 11–13 Weather Summary

Heavy rain (total 32mm), heaviest during Sat afternoon. Mild temperatures (max 6°C on Sat afternoon, min 3°C on Sat afternoon). Winds decreasing (near gales from the NW on Sat night, calm by Sun night).

Thu
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tue
6
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
7:56PM0.23m
8:13PM0.22m
6:28AM0.25m
8:27PM0.23m
7:49AM0.23m
8:44PM0.24m
9:32AM0.22m
9:09PM0.27m
12:17PM0.23m
9:44PM0.30m
2:29PM0.25m
10:30PM0.32m
3:54PM0.27m
11:28PM0.34m
4:30PM0.28m
00:34AM0.35m
5:02PM0.27m
1:36AM0.36m
5:32PM0.26m
2:35AM0.35m
6:01PM0.24m
Low Tide
12:28PM0.03m
00:08AM0.20m
1:04PM0.05m
1:07AM0.18m
1:39PM0.08m
2:16AM0.16m
2:15PM0.12m
3:40AM0.13m
2:52PM0.17m
5:01AM0.09m
3:34PM0.21m
6:05AM0.05m
4:55PM0.25m
7:01AM0.01m
6:19PM0.26m
7:56AM-0.02m
7:17PM0.26m
8:51AM-0.03m
8:09PM0.24m
9:46AM-0.04m
8:59PM0.22m
10:38AM-0.04m
9:50PM0.19m
11:23AM-0.02m
Wave
height (m) 
direction
period (s) 
1.7
NNW
6
1.4
NW
7
4.5
NNW
10
5
NW
10
5
WNW
11
3.5
NW
10
3
NW
10
2.2
NW
9
2.2
NW
8
2
NW
8
1.5
NW
8
1.2
WNW
7
1.4
W
8
3.5
W
9
3
W
10
3
WNW
9
2.5
NW
10
2.1
NW
9
1.6
NW
8
1.6
NW
7
1.9
WNW
7
1.4
WNW
7
1.9
NW
7
1.9
NW
8
1.9
NW
8
1.6
NW
8
1.2
NW
7
0.9
WNW
7
2.2
WSW
7
2.2
NW
7
1.9
NW
7
1.6
NNW
7
1.1
NW
6
0.9
NW
6
0.8
NNW
7
0.8
NW
7
light rain
heavy rain
light rain
light snow
light snow
light snow
light rain
mod rain
cloud
part cloud
part cloud
part cloud
cloud
rain showers
light rain
light rain
rain showers
rain showers
rain showers
mod rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
heavy rain
mod rain
light rain
cloud
rain showers
part cloud
part cloud
rain showers
mod rain
light rain
heavy rain
light rain
light snow
light snow
light snow
light rain
mod rain
cloudy
some clouds
some clouds
some clouds
cloudy
rain shwrs
light rain
light rain
rain shwrs
rain shwrs
rain shwrs
mod rain
light rain
light rain
light rain
cloudy
cloudy
cloudy
cloudy
heavy rain
mod rain
light rain
cloudy
rain shwrs
some clouds
some clouds
rain shwrs
mod rain
 km/h
35
NNE
45
S
55
NNW
70
WNW
60
WNW
40
WNW
35
W
25
NW
30
W
25
W
30
S
25
S
30
S
60
SW
40
WNW
50
WNW
30
WNW
15
ENE
15
SSW
35
SW
25
WSW
20
N
35
NNW
25
NW
30
NW
15
NW
20
ENE
20
SE
30
WNW
40
WNW
35
WNW
25
WNW
15
SSE
10
E
10
ESE
10
ESE
 mm 
5
16
1
1
3
10
6
3
2
3
2
1
6
4
3
1
11
9
1
1
1
6
max°C
7
9
3
-1
0
3
4
7
8
8
8
8
10
11
7
5
5
3
8
8
8
5
3
3
4
4
4
6
6
4
5
5
5
6
6
3
Moonrise
10:42
11:06
11:30
11:56
12:28
1:06
1:54
2:54
4:05
5:22
6:38
Moonset
9:25
10:31
11:38
12:46
1:59
3:16
4:34
5:49
6:56
7:50
8:33
9:06
Sunrise
6:58
6:58
6:58
6:58
6:58
6:58
7:00
7:00
7:00
7:00
7:00
7:00
Sunset
4:27
4:27
4:28
4:29
4:29
4:30
4:30
4:31
4:31
4:32
4:34
4:35
Today's sea temperature in Awa Sima (Niigata) is
14.2° C
(Statistics for 25 Dec 1981-2005 – mean: 13.0 max: 14.7 min: 10.8°C)
Issued (local time): 2 pm Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest