Onagawa Sea Conditions and Tide Table

Onagawa 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 05:12 PM.

Days 1–4 Weather Summary

Some drizzle, heaviest during Wed night. Icy conditions (max 6°C on Wed afternoon, min -1°C on Wed night). Winds increasing (calm on Tue morning, strong winds from the WNW by Thu morning).

Days 5–7 Weather Summary

Mostly dry. Icy conditions (max 9°C on Sun morning, min 0°C on Thu night). Winds decreasing (strong winds from the WNW on Thu afternoon, calm by Sun morning).

Days 8–10 Weather Summary

Light rain (total 3mm), mostly falling on Wed morning. Very mild (max 13°C on Mon afternoon, min 5°C on Wed morning). Mainly fresh winds.

Days 11–13 Weather Summary

Mild with light rain (total 5mm) on Wed afternoon. Becoming colder with a light covering of snow, mostly falling on Wed afternoon. Freeze-thaw conditions (max 4°C on Thu morning, min -1°C on Thu night). Winds increasing (light winds from the NNW on Wed night, strong winds from the WNW by Sat afternoon).

Mon
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
1
Monday
2
Tuesday
3
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
night
Wave Height Map
High Tide
2:35PM1.31m
4:34AM1.21m
3:23PM1.35m
4:51AM1.22m
4:07PM1.35m
5:09AM1.24m
4:49PM1.33m
5:27AM1.25m
5:32PM1.27m
5:47AM1.27m
6:15PM1.18m
6:07AM1.28m
7:05PM1.06m
6:29AM1.29m
8:07PM0.94m
6:53AM1.28m
10:04PM0.85m
7:20AM1.25m
7:58AM1.20m
9:23AM1.14m
3:37AM1.09m
11:43AM1.13m
3:34AM1.12m
1:11PM1.18m
3:45AM1.15m
2:13PM1.25m
4:00AM1.18m
Low Tide
9:43PM0.04m
9:45AM0.69m
10:16PM0.07m
10:18AM0.57m
10:46PM0.14m
10:52AM0.47m
11:13PM0.24m
11:27AM0.38m
11:39PM0.36m
12:05PM0.32m
00:02AM0.49m
12:46PM0.28m
00:22AM0.62m
1:34PM0.28m
00:34AM0.74m
2:35PM0.29m
00:14AM0.83m
3:58PM0.30m
5:39PM0.26m
6:59PM0.20m
7:24AM1.01m
7:55PM0.13m
8:14AM0.90m
8:38PM0.10m
8:48AM0.77m
9:15PM0.09m
Wave
height (m) 
direction
period (s) 
1.4
NW
4
0.9
ESE
12
0.6
ESE
11
0.5
ESE
11
0.6
ESE
11
0.6
E
11
0.6
E
11
1.4
WNW
4
1.8
WNW
5
1.6
WNW
5
1
N
6
0.6
E
14
0.6
E
13
0.8
E
13
0.9
ENE
12
1.2
ENE
12
1.2
E
9
1.4
SE
8
1.5
SE
8
1.5
ESE
8
1.4
SE
8
1.3
ESE
8
1.4
SE
8
1.9
SSE
6
2.5
SE
8
2.2
SE
9
2.1
SSE
9
2.3
SE
9
2.1
SSE
10
1.7
SE
9
1.7
SE
9
1.3
ESE
12
1.1
ESE
13
1.3
E
14
1.7
E
16
1.6
E
14
1.7
E
14
1.5
E
14
1
E
13
0.9
ENE
13
0.9
ENE
13
0.8
E
12
0.8
E
12
0.9
E
12
0.8
E
11
0.7
E
11
0.8
ESE
11
clear
clear
clear
part cloud
part cloud
clear
part cloud
rain showers
cloud
part cloud
clear
clear
clear
cloud
cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
cloud
cloud
light rain
light snow
light snow
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
rain showers
clear
clear
clear
some clouds
some clouds
clear
some clouds
rain shwrs
cloudy
some clouds
clear
clear
clear
cloudy
cloudy
some clouds
some clouds
some clouds
clear
some clouds
some clouds
clear
some clouds
some clouds
cloudy
cloudy
light rain
light snow
light snow
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
some clouds
clear
some clouds
some clouds
some clouds
cloudy
rain shwrs
 km/h
40
NW
20
NNW
10
NNW
15
SSE
15
S
10
SW
15
SSE
40
WNW
40
WNW
45
WNW
25
WNW
10
W
15
S
10
SE
5
E
10
E
10
N
10
NW
10
S
5
SSW
5
SW
15
S
5
NE
30
SSW
25
S
10
NNW
25
NNE
20
N
15
NNW
30
NNW
40
WNW
20
NW
15
NW
25
WNW
25
WNW
40
WNW
45
WNW
30
WNW
15
W
15
S
10
SSE
15
WNW
15
SSW
15
SSW
20
WSW
15
W
15
NE
 mm 
1
3
5
1
max°C
5
1
3
4
4
5
6
3
2
2
1
4
4
6
7
7
7
9
10
9
12
13
12
12
13
13
6
3
1
4
3
-1
3
3
0
3
4
3
5
5
6
8
9
8
9
10
6
Moonrise
6:15
6:41
7:06
7:30
7:54
8:22
8:54
9:34
10:22
11:22
12:30
1:43
2:56
4:08
5:16
Moonset
3:49
4:56
6:03
7:11
8:19
9:30
10:42
11:57
1:11
2:20
3:20
4:10
4:50
5:22
5:50
Sunrise
6:22
6:22
6:20
6:18
6:18
6:16
6:15
6:13
6:13
6:11
6:09
6:09
6:07
6:05
6:03
Sunset
5:12
5:13
5:14
5:15
5:15
5:16
5:17
5:19
5:20
5:21
5:22
5:23
5:24
5:25
5:27
5:28
Today's sea temperature in Onagawa is
8.2° C
(Statistics for 16 Feb 1981-2005 – mean: 10.9 max: 13.7 min: 7.9°C)
Issued (local time): 2 pm Monday 16 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest