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 06:46 AM and sunset is at 04:21 PM.

Days 1–3 Weather Summary

Heavy rain (total 25mm), heaviest during Tue night. Cool air temperatures (max 13°C on Mon morning, min 5°C on Tue night). Winds decreasing (near gales from the W on Mon morning, light winds from the W by Wed afternoon).

Days 4–6 Weather Summary

Heavy rain (total 41mm), mainly falling on Thu afternoon. Becoming colder with a light covering of snow, mostly falling on Fri morning. Cool air temperatures (max 11°C on Thu morning, min 1°C on Thu night). Winds increasing (calm on Thu morning, gales from the NW by Thu night).

Days 7–9 Weather Summary

Heavy rain (total 30mm), heaviest during Sun night. Very mild (max 11°C on Sun night, min 6°C on Sun morning). Mainly stormy winds.

Days 10–12 Weather Summary

Light rain (total 8mm), mostly falling on Wed afternoon. Very mild (max 11°C on Wed morning, min 5°C on Thu afternoon). Winds decreasing (near gales from the WNW on Thu afternoon, calm by Fri morning).

Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
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
Wave Height Map
High Tide
7:25PM0.30m
8:12PM0.28m
8:57PM0.26m
6:21AM0.31m
9:34PM0.25m
7:28AM0.27m
10:01PM0.25m
8:54AM0.24m
10:20PM0.26m
11:12AM0.23m
10:35PM0.27m
12:42PM0.23m
10:52PM0.29m
2:03PM0.25m
11:15PM0.31m
3:34PM0.27m
11:46PM0.32m
4:24PM0.29m
00:22AM0.33m
4:55PM0.30m
1:01AM0.34m
Low Tide
11:38AM0.01m
10:42PM0.27m
12:30PM0.03m
11:37PM0.25m
1:21PM0.06m
00:40AM0.23m
2:08PM0.09m
1:56AM0.21m
2:50PM0.12m
3:51AM0.18m
3:30PM0.15m
5:10AM0.15m
4:09PM0.18m
6:02AM0.13m
5:03PM0.22m
6:46AM0.11m
6:01PM0.24m
7:27AM0.09m
6:52PM0.26m
8:07AM0.08m
7:37PM0.27m
8:47AM0.07m
8:19PM0.28m
Wave
height (m) 
direction
period (s) 
2.5
W
7
4
WNW
9
3.5
WNW
10
2.5
WNW
9
2.3
NW
9
1.6
NW
8
2
NW
7
1.6
NW
8
1.7
NW
7
1.7
WNW
7
2.2
W
7
3
NNW
8
4.5
NW
10
4.5
NW
10
3.5
NW
10
2.5
NW
9
2
NW
8
1.4
NW
8
1
NW
7
0.8
NW
6
1.7
WSW
5
4.5
WSW
10
5.5
WNW
12
3.5
NNW
10
3
NW
9
3
NW
9
2.1
NW
8
2.3
NW
8
2.1
WNW
7
2.2
NW
8
3.5
NW
9
4.5
NW
10
3.5
NW
10
2
NW
9
1.5
NW
8
1
NW
7
light rain
cloud
light rain
light rain
light rain
mod rain
part cloud
cloud
mod rain
light rain
heavy rain
heavy rain
light snow
light snow
light snow
cloud
cloud
cloud
light rain
light rain
mod rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
part cloud
light rain
part cloud
part cloud
clear
clear
part cloud
light rain
cloudy
light rain
light rain
light rain
mod rain
some clouds
cloudy
mod rain
light rain
heavy rain
heavy rain
light snow
light snow
light snow
cloudy
cloudy
cloudy
light rain
light rain
mod rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
some clouds
light rain
some clouds
some clouds
clear
clear
some clouds
 km/h
60
SW
60
WNW
45
WNW
30
NW
25
WNW
35
NW
20
NW
15
W
45
WSW
0
E
35
NW
55
NNW
60
NW
60
WNW
40
NW
30
WNW
20
WNW
15
E
20
SE
10
E
70
WSW
60
WNW
65
NNW
40
WNW
45
W
35
W
35
W
40
WSW
30
NW
35
WNW
45
NW
60
WNW
30
WNW
10
W
10
NNE
15
S
 mm 
4
1
1
2
9
8
5
17
14
5
2
3
7
3
4
3
2
1
5
2
4
2
max°C
13
9
8
7
7
8
8
7
11
11
9
6
2
2
4
5
7
6
7
8
11
10
9
8
8
10
11
11
9
9
6
6
6
5
6
8
Moonrise
7:50
9:03
10:11
11:15
12:17
1:17
2:16
3:17
4:18
5:19
6:18
Moonset
10:03
10:40
11:10
11:35
11:58
12:19
12:40
1:03
1:29
2:00
2:36
3:19
Sunrise
6:46
6:47
6:48
6:48
6:50
6:50
6:50
6:52
6:52
6:52
6:54
6:54
Sunset
4:21
4:21
4:22
4:22
4:22
4:22
4:22
4:22
4:22
4:22
4:22
4:23
Today's sea temperature in Awa Sima (Niigata) is
16.7° C
(Statistics for 08 Dec 1981-2005 – mean: 14.6 max: 16.7 min: 12.2°C)
Issued (local time): 2 am Monday 08 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest