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 04:52 AM and sunset is at 06:14 PM.

Days 1–3 Weather Summary

Light rain (total 3mm), mostly falling on Tue morning. Cool air temperatures (max 17°C on Wed morning, min 11°C on Mon morning). Winds decreasing (strong winds from the WNW on Tue morning, light winds from the NNE by Wed night).

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 13°C on Thu morning, min 8°C on Sat night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 9mm), mostly falling on Tue morning. Very mild (max 15°C on Mon morning, min 10°C on Sun morning). Wind will be generally light.

Days 10–12 Weather Summary

Moderate rain (total 11mm), heaviest on Thu night. Very mild (max 18°C on Wed afternoon, min 9°C on Thu afternoon). Winds increasing (calm on Wed night, strong winds from the WNW by Fri night).

Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tue
5
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
6:18PM1.13m
7:10PM1.05m
8:17PM0.99m
10:01PM0.96m
00:08AM0.99m
6:52AM1.05m
00:35AM1.02m
9:30AM0.95m
00:56AM1.06m
11:56AM0.96m
1:17AM1.10m
1:17PM1.05m
1:37AM1.14m
2:15PM1.13m
1:59AM1.20m
3:04PM1.19m
2:21AM1.25m
3:48PM1.22m
2:44AM1.31m
4:32PM1.23m
3:08AM1.35m
5:14PM1.21m
3:34AM1.38m
Low Tide
11:18AM-0.06m
10:56PM0.79m
11:57AM-0.03m
11:18PM0.86m
12:40PM0.04m
11:40PM0.91m
1:32PM0.13m
00:04AM0.95m
2:37PM0.24m
1:59AM0.98m
4:00PM0.33m
5:47AM0.89m
5:26PM0.39m
6:47AM0.73m
6:33PM0.43m
7:25AM0.55m
7:23PM0.47m
7:59AM0.38m
8:04PM0.52m
8:32AM0.22m
8:39PM0.58m
9:06AM0.09m
9:10PM0.65m
9:40AM-0.02m
9:38PM0.72m
10:15AM-0.08m
10:06PM0.79m
Wave
height (m) 
direction
period (s) 
2
SSE
15
2
SSE
14
1.9
SE
13
1.8
SE
12
1.6
SE
11
1.3
ESE
11
1.2
ESE
11
1.7
ESE
10
1.1
ESE
10
0.9
ESE
10
0.8
ESE
10
0.8
ESE
9
0.9
SE
6
1.1
SE
7
1.9
SE
9
2.5
ESE
11
2.5
ESE
11
2.2
ESE
10
1.9
E
10
1.8
E
11
1.6
E
10
1.4
E
10
1.3
E
10
1.3
E
10
1.2
ESE
9
1.3
ESE
8
1.5
ESE
8
1.4
ESE
9
1.3
ESE
9
1.1
E
9
0.9
E
9
0.9
E
9
0.8
E
9
1.2
ESE
6
1.5
SSE
8
1.8
S
9
1.2
S
8
1.1
SE
9
1.1
ESE
9
0.9
ENE
11
0.8
ENE
11
0.9
ESE
8
0.7
ENE
10
1
SE
6
0.9
S
5
0.8
ESE
9
1.2
SSE
8
part cloud
part cloud
part cloud
light rain
clear
part cloud
part cloud
cloud
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
cloud
cloud
part cloud
part cloud
light rain
light rain
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
mod rain
light rain
rain showers
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
some clouds
some clouds
some clouds
light rain
clear
some clouds
some clouds
cloudy
some clouds
clear
some clouds
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
clear
clear
cloudy
cloudy
some clouds
some clouds
light rain
light rain
some clouds
clear
some clouds
some clouds
some clouds
some clouds
cloudy
mod rain
light rain
rain shwrs
some clouds
cloudy
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
 km/h
15
SSE
20
SE
30
S
15
W
35
WNW
10
SW
20
SW
30
SW
20
NW
0
WNW
15
SSE
5
SE
10
NE
15
NE
20
NNE
25
NE
20
NE
5
ENE
15
S
15
SSE
15
SSE
15
S
25
SSE
5
ESE
15
NNE
10
NNE
30
WNW
25
WNW
25
NW
10
NE
10
E
15
ESE
15
ENE
15
N
10
SW
45
WNW
20
WNW
25
SW
30
WNW
20
WSW
15
WSW
10
N
10
SSW
25
S
20
SSW
15
S
20
SE
 mm 
3
4
5
7
3
1
max°C
12
13
13
14
16
13
17
17
13
13
13
13
13
12
11
11
10
9
10
11
13
15
15
13
12
13
13
17
18
10
10
10
10
11
12
13
16
16
12
19
20
17
18
18
17
16
15
Moonrise
6:12
7:07
8:12
9:23
10:36
11:48
12:56
2:01
3:04
4:06
5:08
6:10
7:13
8:14
9:13
Moonset
9:58
11:07
12:04
12:50
1:27
1:56
2:22
2:45
3:07
3:30
3:54
4:21
4:53
5:30
6:14
Sunrise
4:52
4:50
4:50
4:48
4:47
4:46
4:43
4:43
4:41
4:39
4:39
4:37
4:37
4:35
4:33
4:33
Sunset
6:14
6:15
6:15
6:16
6:17
6:19
6:20
6:20
6:21
6:22
6:22
6:23
6:24
6:25
6:27
6:28
Today's sea temperature in Onagawa is
9.6° C
(Statistics for 20 Apr 1981-2005 – mean: 13.4 max: 16.1 min: 10.5°C)
Issued (local time): 8 am Monday 20 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest