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 04:47 AM and sunset is at 06:32 PM.

Days 1–3 Weather Summary

Heavy rain (total 38mm), heaviest during Sun night. Cool air temperatures (max 18°C on Sun afternoon, min 12°C on Fri night). Winds decreasing (gales from the WNW on Fri night, calm by Sun morning).

Days 4–6 Weather Summary

Moderate rain (total 19mm), heaviest on Mon morning. Warm air temperatures (max 20°C on Wed afternoon, min 12°C on Mon night). Winds decreasing (fresh winds from the SSW on Mon afternoon, calm by Wed morning).

Days 7–9 Weather Summary

Moderate rain (total 11mm), heaviest on Sat afternoon. Very mild (max 18°C on Thu morning, min 11°C on Sat afternoon). Winds increasing (calm on Thu afternoon, fresh winds from the WSW by Fri night).

Days 10–12 Weather Summary

Mostly dry. Warm (max 20°C on Tue afternoon, min 12°C on Sun morning). Wind will be generally light.

Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Sat
16
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
1:46PM0.18m
3:57AM0.15m
2:06PM0.21m
4:51AM0.17m
2:28PM0.23m
5:45AM0.17m
2:52PM0.24m
6:42AM0.17m
3:16PM0.25m
7:58AM0.16m
3:41PM0.24m
4:06PM0.22m
4:34PM0.20m
5:16PM0.17m
12:35PM0.13m
7:09PM0.14m
12:30PM0.12m
8:49PM0.13m
12:17PM0.12m
10:35PM0.12m
11:59AM0.13m
00:33AM0.14m
12:05PM0.16m
1:56AM0.17m
Low Tide
8:19AM0.06m
9:01PM-0.06m
8:47AM0.09m
9:39PM-0.06m
9:16AM0.12m
10:19PM-0.06m
9:44AM0.14m
11:00PM-0.05m
10:11AM0.15m
11:42PM-0.04m
10:28AM0.16m
00:25AM-0.03m
1:10AM-0.03m
1:55AM-0.03m
2:43AM-0.03m
2:14PM0.13m
3:37AM-0.02m
3:58PM0.10m
4:36AM-0.01m
5:30PM0.06m
5:35AM0.02m
6:22PM0.02m
6:26AM0.05m
7:09PM-0.02m
7:10AM0.08m
Wave
height (m) 
direction
period (s) 
0.5
N
6
0.7
NE
5
1.9
WSW
6
3
NW
8
2.1
WNW
7
1.2
NW
6
0.8
NW
6
0.6
NW
6
0.6
N
4
0.5
N
8
0.9
SSW
4
1.4
WSW
7
0.7
W
7
0.5
N
5
0.3
NNW
4
0.2
W
6
0.2
WNW
5
0.3
WNW
5
0.3
WNW
5
0.3
WNW
8
0.4
WNW
7
0.6
W
7
0.6
W
6
0.5
W
7
0.8
W
4
0.6
WNW
4
0.4
WNW
5
0.4
WSW
3
0.3
WNW
4
0.4
NW
5
0.2
WNW
4
0.3
NW
5
0.3
WNW
6
0.3
WNW
8
0.3
WNW
8
0.4
WNW
7
0.3
WNW
6
0.2
W
6
0.2
W
6
0.2
W
6
0.2
W
5
0.1
W
4
0.1
W
4
0.1
N
2
0.1
N
2
0.1
NW
5
0.1
NW
4
light rain
light rain
rain showers
clear
clear
part cloud
cloud
cloud
heavy rain
heavy rain
light rain
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
light rain
light rain
light rain
rain showers
clear
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
light rain
light rain
rain shwrs
clear
clear
some clouds
cloudy
cloudy
heavy rain
heavy rain
light rain
cloudy
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
light rain
light rain
light rain
rain shwrs
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
clear
clear
 km/h
20
ENE
10
NNW
45
SW
55
W
35
W
25
S
15
S
5
NNW
15
NE
15
SSW
35
SSW
15
WNW
10
WNW
10
WSW
10
SSE
5
SSW
10
NNE
10
ENE
10
SSW
0
WNW
20
S
10
SSW
10
NNW
15
S
20
NNW
5
SW
20
W
20
SSW
5
NW
5
SE
10
S
10
NNW
10
E
5
NE
10
WNW
20
E
10
S
5
SW
10
WSW
15
SW
15
NNW
10
ENE
5
WNW
10
N
0
ENE
0
SW
10
NNE
 mm 
2
3
17
16
15
4
3
1
5
2
max°C
15
15
13
13
13
15
17
18
12
14
15
14
12
13
14
18
20
19
18
18
17
15
14
14
12
12
13
13
14
14
18
18
19
18
20
20
17
18
17
17
17
17
17
18
18
19
20
Moonrise
6:19
7:22
8:24
9:23
10:17
11:04
11:45
12:19
12:49
1:15
1:40
2:04
2:29
2:57
3:30
Moonset
4:03
4:30
5:02
5:39
6:23
7:14
8:11
9:12
10:15
11:19
12:23
1:29
2:37
3:48
5:03
6:22
Sunrise
4:47
4:46
4:43
4:43
4:41
4:41
4:39
4:39
4:37
4:37
4:35
4:35
4:33
4:33
4:31
4:31
Sunset
6:32
6:34
6:35
6:36
6:37
6:37
6:38
6:39
6:40
6:42
6:43
6:44
6:44
6:45
6:45
6:46
Today's sea temperature in Awa Sima (Niigata) is
14.0° C
(Statistics for 01 May 1981-2005 – mean: 12.1 max: 14.5 min: 9.7°C)
Issued (local time): 2 am Friday 01 May 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest