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 06:37 AM and sunset is at 04:13 PM.

Days 1–3 Weather Summary

Light rain (total 4mm), mostly falling on Sun afternoon. Cool air temperatures (max 12°C on Mon morning, min 3°C on Tue night). Winds decreasing (strong winds from the WNW on Mon afternoon, light winds from the NW by Tue night).

Days 4–6 Weather Summary

Light rain (total 6mm), mostly falling on Thu night. Icy conditions (max 8°C on Wed afternoon, min 0°C on Fri afternoon). Winds increasing (calm on Thu morning, near gales from the WNW by Fri morning).

Days 7–9 Weather Summary

Heavy rain (total 24mm), heaviest during Sun night. Mild temperatures (max 9°C on Sun night, min 2°C on Sat morning). Winds increasing (calm on Sun morning, near gales from the W by Mon afternoon).

Days 10–12 Weather Summary

Light rain (total 3mm), mostly falling on Tue night. Very mild (max 10°C on Thu afternoon, min 6°C on Tue morning). Winds decreasing (strong winds from the WNW on Tue morning, calm by Thu afternoon).

Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
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
3:29PM1.50m
6:39AM1.28m
4:08PM1.47m
7:19AM1.25m
4:49PM1.40m
7:58AM1.23m
5:37PM1.31m
8:36AM1.21m
6:35PM1.20m
9:15AM1.20m
7:55PM1.08m
9:53AM1.21m
9:48PM1.00m
10:32AM1.23m
11:53PM1.00m
11:10AM1.27m
1:33AM1.06m
11:48AM1.31m
2:44AM1.14m
12:27PM1.36m
3:38AM1.21m
1:06PM1.41m
4:23AM1.25m
Low Tide
10:11AM1.06m
11:10PM-0.02m
10:50AM1.06m
11:49PM0.05m
11:35AM1.04m
00:29AM0.14m
12:28PM1.01m
1:11AM0.26m
1:36PM0.95m
1:55AM0.40m
2:58PM0.87m
2:44AM0.55m
4:24PM0.76m
3:41AM0.69m
5:37PM0.61m
4:45AM0.81m
6:35PM0.45m
7:24PM0.29m
6:52AM0.98m
8:08PM0.16m
7:44AM1.03m
8:50PM0.05m
Wave
height (m) 
direction
period (s) 
0.6
ENE
14
0.9
ESE
8
0.9
ESE
8
0.9
SE
6
1.1
S
5
1.2
WNW
4
1.1
WNW
4
1
WNW
4
0.3
ESE
10
0.7
ESE
10
0.5
SE
10
1
SW
4
0.6
ESE
9
0.5
SE
11
0.9
SE
10
2.1
WNW
6
1.7
WNW
5
1.4
WNW
4
1.2
NW
4
1.1
WNW
4
0.5
ESE
11
0.4
ESE
11
0.5
ESE
11
1.6
ESE
6
1.4
ESE
7
2.5
SSE
11
1.7
SE
10
1.7
ENE
10
1.4
ENE
10
1.2
ENE
11
1.2
ENE
13
0.9
ENE
13
0.9
ENE
12
0.8
ENE
12
0.7
ENE
12
0.6
ENE
12
clear
rain showers
part cloud
part cloud
rain showers
clear
part cloud
clear
rain showers
part cloud
part cloud
rain showers
light rain
cloud
rain showers
clear
clear
clear
part cloud
part cloud
clear
part cloud
light rain
heavy rain
part cloud
rain showers
part cloud
clear
clear
light rain
part cloud
clear
clear
clear
clear
part cloud
clear
rain shwrs
some clouds
some clouds
rain shwrs
clear
some clouds
clear
rain shwrs
some clouds
some clouds
rain shwrs
light rain
cloudy
rain shwrs
clear
clear
clear
some clouds
some clouds
clear
some clouds
light rain
heavy rain
some clouds
rain shwrs
some clouds
clear
clear
light rain
some clouds
clear
clear
clear
clear
some clouds
 km/h
15
W
25
WSW
20
WSW
25
SSW
40
W
40
WNW
30
NW
25
NW
15
SSW
10
WNW
10
WNW
30
WSW
10
NW
0
N
35
NE
55
WNW
40
NW
30
NW
20
WNW
30
WNW
15
WNW
5
W
15
SSE
30
ENE
20
WNW
55
W
30
WNW
35
WNW
25
W
15
WSW
20
WNW
20
W
10
W
5
WNW
10
SSW
5
W
 mm 
1
2
1
1
1
4
1
22
1
3
max°C
10
11
11
12
11
6
6
6
4
7
8
8
7
8
7
1
1
1
5
5
4
5
7
9
9
6
6
8
8
8
8
8
7
9
10
10
Moonrise
6:25
7:41
8:53
10:02
11:06
12:07
1:07
2:07
3:07
4:08
5:10
Moonset
9:06
9:54
10:31
11:01
11:26
11:49
12:10
12:31
12:54
1:20
1:51
2:27
Sunrise
6:37
6:37
6:37
6:39
6:39
6:41
6:41
6:41
6:43
6:43
6:43
6:45
Sunset
4:13
4:13
4:13
4:13
4:13
4:13
4:13
4:13
4:14
4:14
4:14
4:15
Today's sea temperature in Onagawa is
13.7° C
(Statistics for 07 Dec 1981-2005 – mean: 16.4 max: 19.0 min: 14.2°C)
Issued (local time): 8 am Sunday 07 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest