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 06:54 AM and sunset is at 04:23 PM.

Days 1–3 Weather Summary

Moderate rain (total 19mm), heaviest on Sun afternoon. Cool air temperatures (max 16°C on Sat afternoon, min 5°C on Sun night). Winds increasing (light winds from the SSE on Fri afternoon, strong winds from the WNW by Sun night).

Days 4–6 Weather Summary

Moderate rain (total 14mm), heaviest on Wed afternoon. Cool air temperatures (max 10°C on Wed afternoon, min 4°C on Mon morning). Winds increasing (calm on Mon night, strong winds from the NW by Wed afternoon).

Days 7–9 Weather Summary

Light rain (total 3mm), mostly falling on Sat night. Very mild (max 10°C on Sat afternoon, min 4°C on Thu morning). Winds decreasing (strong winds from the NW on Thu morning, calm by Fri afternoon).

Days 10–12 Weather Summary

Heavy rain (total 46mm), heaviest during Mon night. Very mild (max 12°C on Sun afternoon, min 2°C on Tue morning). Winds increasing (light winds from the WNW on Mon night, gales from the SW by Wed morning).

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
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
4:55PM0.30m
1:01AM0.34m
5:25PM0.30m
1:39AM0.34m
5:55PM0.29m
2:17AM0.34m
6:27PM0.27m
6:59PM0.26m
7:30PM0.24m
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
Low Tide
8:47AM0.07m
8:19PM0.28m
9:26AM0.06m
8:57PM0.27m
10:04AM0.05m
9:32PM0.26m
10:41AM0.04m
10:05PM0.25m
11:17AM0.03m
10:39PM0.23m
11:53AM0.03m
11:18PM0.22m
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
Wave
height (m) 
direction
period (s) 
0.9
NNW
7
0.8
NNW
6
0.6
NW
6
1.1
W
7
1.2
W
8
1
W
8
1
W
8
1.3
W
8
2.3
WNW
7
3
WNW
9
2.4
WNW
9
1.7
NW
8
1.1
NW
7
0.9
NW
7
0.7
SW
5
0.7
SSE
3
1.1
SW
6
2.4
WNW
8
3.5
NW
10
3
NW
10
2.1
NW
9
1.4
NW
8
1.1
NW
7
0.7
NW
6
0.5
NW
6
0.6
NW
5
0.5
NNW
5
0.8
SE
4
0.4
NE
5
1.3
WSW
5
1.7
NW
7
1.7
NW
7
1.6
NW
8
4
WNW
9
4
WNW
10
3
WNW
10
clear
clear
clear
clear
clear
part cloud
cloud
heavy rain
light rain
cloud
cloud
part cloud
part cloud
part cloud
cloud
light rain
mod rain
light rain
cloud
cloud
part cloud
part cloud
cloud
clear
cloud
cloud
light rain
mod rain
rain showers
rain showers
light rain
light rain
rain showers
light rain
light rain
light rain
clear
clear
clear
clear
clear
some clouds
cloudy
heavy rain
light rain
cloudy
cloudy
some clouds
some clouds
some clouds
cloudy
light rain
mod rain
light rain
cloudy
cloudy
some clouds
some clouds
cloudy
clear
cloudy
cloudy
light rain
mod rain
rain shwrs
rain shwrs
light rain
light rain
rain shwrs
light rain
light rain
light rain
 km/h
20
SSE
15
SSE
25
S
25
S
20
S
25
S
25
S
35
NNW
45
NW
40
NW
30
NW
10
NW
10
E
10
E
25
SE
25
SE
35
SSE
40
WNW
45
NW
35
NW
15
NNW
15
ESE
10
ENE
10
SE
10
ENE
15
NE
20
E
30
SE
20
SSW
35
WSW
35
W
35
WNW
5
WNW
55
WNW
55
WNW
45
SW
 mm 
17
2
3
6
5
3
9
2
2
2
1
18
2
2
5
max°C
9
11
11
14
16
16
14
11
9
5
5
6
4
8
9
9
10
8
4
5
6
5
7
7
8
10
10
10
12
12
10
9
8
3
5
9
Moonrise
6:18
7:14
8:03
8:45
9:21
9:51
10:18
10:42
11:06
11:30
11:56
12:28
Moonset
3:19
4:10
5:08
6:10
7:15
8:20
9:25
10:31
11:38
12:46
1:59
Sunrise
6:54
6:54
6:56
6:56
6:56
6:56
6:58
6:58
6:58
6:58
6:58
6:58
Sunset
4:23
4:23
4:24
4:24
4:25
4:25
4:27
4:27
4:28
4:29
4:29
4:30
Today's sea temperature in Awa Sima (Niigata) is
15.3° C
(Statistics for 19 Dec 1981-2005 – mean: 13.5 max: 15.4 min: 11.4°C)
Issued (local time): 8 am Friday 19 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest