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 04:14 PM.

Days 1–4 Weather Summary

Some drizzle, heaviest during Tue night. Low air temperatures (max 9°C on Tue afternoon, min 3°C on Wed night). Winds decreasing (strong winds from the WNW on Mon afternoon, light winds from the WSW by Tue morning).

Days 5–7 Weather Summary

Light rain (total 4mm), mostly falling on Sat night. Cool air temperatures (max 13°C on Sat night, min 3°C on Thu night). Wind will be generally light.

Days 8–10 Weather Summary

Heavy rain (total 32mm), heaviest during Sun night. Very mild (max 14°C on Sun afternoon, min 1°C on Mon night). Mainly strong winds.

Days 11–13 Weather Summary

Some drizzle, heaviest during Sat morning. Mild temperatures (max 7°C on Thu morning, min 2°C on Thu night). Winds increasing (light winds from the WSW on Thu night, strong winds from the WNW by Fri morning).

Mon
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Sat
27
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
1:33AM1.06m
11:48AM1.31m
2:44AM1.14m
12:27PM1.36m
3:38AM1.21m
1:06PM1.41m
4:23AM1.25m
1:45PM1.45m
5:03AM1.28m
2:26PM1.48m
5:39AM1.29m
3:06PM1.48m
6:14AM1.28m
3:48PM1.46m
6:46AM1.26m
4:32PM1.41m
7:18AM1.25m
5:20PM1.34m
7:48AM1.23m
6:12PM1.24m
8:19AM1.22m
7:15PM1.12m
8:51AM1.22m
Low Tide
6:35PM0.45m
7:24PM0.29m
6:52AM0.98m
8:08PM0.16m
7:44AM1.03m
8:50PM0.05m
8:30AM1.06m
9:29PM-0.02m
9:12AM1.06m
10:08PM-0.05m
9:52AM1.05m
10:46PM-0.05m
10:33AM1.03m
11:24PM0.00m
11:16AM0.99m
00:01AM0.09m
12:03PM0.94m
00:39AM0.20m
12:57PM0.88m
1:17AM0.34m
1:59PM0.81m
1:55AM0.48m
Wave
height (m) 
direction
period (s) 
1.9
SE
10
1.3
E
11
0.9
E
11
1
ENE
12
1
ENE
12
0.8
ENE
12
0.7
E
11
0.8
ENE
12
0.9
ENE
16
0.9
ENE
15
0.6
ENE
14
0.6
ENE
13
0.6
ENE
12
0.7
ENE
11
0.9
ESE
8
1.1
SSE
7
1.5
SSE
7
1.5
SSE
8
1.4
SSE
8
1.7
SSE
8
2.1
E
7
2.2
ESE
8
2.1
SE
10
2.4
SE
11
2.4
ESE
11
2.1
ESE
11
1.9
E
11
1.8
E
11
1.6
ENE
14
1.2
E
14
1
E
14
1
E
14
1.5
E
14
1.5
E
14
0.9
E
13
1.2
E
15
clear
part cloud
cloud
part cloud
rain showers
part cloud
cloud
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
rain showers
part cloud
part cloud
heavy rain
heavy rain
light rain
clear
clear
clear
clear
cloud
part cloud
part cloud
cloud
cloud
clear
clear
clear
clear
rain showers
clear
some clouds
cloudy
some clouds
rain shwrs
some clouds
cloudy
clear
some clouds
clear
clear
clear
clear
some clouds
some clouds
some clouds
rain shwrs
some clouds
some clouds
heavy rain
heavy rain
light rain
clear
clear
clear
clear
cloudy
some clouds
some clouds
cloudy
cloudy
clear
clear
clear
clear
rain shwrs
 km/h
40
WNW
20
WNW
15
WSW
20
WSW
20
WNW
20
NW
15
NW
25
NW
15
NNW
20
NW
10
WNW
10
WNW
10
SSW
10
WNW
10
W
10
SSW
10
SW
10
WSW
10
WSW
35
NE
40
NE
30
NNE
30
NNW
35
NNW
35
NW
25
NW
30
WNW
35
WNW
30
WNW
25
WNW
20
WNW
30
WNW
45
WNW
45
WNW
15
WSW
20
WSW
 mm 
1
4
17
14
1
1
max°C
6
4
7
9
7
6
6
4
6
6
5
6
7
10
10
12
13
13
14
10
5
5
4
3
4
3
5
6
4
7
7
5
4
4
6
6
Moonrise
3:07
4:08
5:10
6:09
7:04
7:54
8:36
9:12
9:42
10:09
10:33
10:57
Moonset
1:20
1:51
2:27
3:10
4:01
4:59
6:01
7:06
8:11
9:16
10:22
Sunrise
6:43
6:43
6:45
6:46
6:46
6:47
6:47
6:48
6:48
6:48
6:48
6:48
Sunset
4:14
4:14
4:14
4:15
4:15
4:15
4:15
4:15
4:16
4:16
4:17
4:17
Today's sea temperature in Onagawa is
12.8° C
(Statistics for 15 Dec 1981-2005 – mean: 15.7 max: 18.0 min: 13.4°C)
Issued (local time): 2 pm Monday 15 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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