Onahama Sea Conditions and Tide Table

Onahama 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 06:45 AM and sunset is at 04:22 PM.

Days 1–3 Weather Summary

Light rain (total 5mm), mostly falling on Sun night. Cool air temperatures (max 16°C on Sun morning, min 3°C on Mon night). Winds decreasing (fresh winds from the NNW on Sun night, calm by Tue afternoon).

Days 4–6 Weather Summary

Heavy rain (total 30mm), heaviest during Thu night. Cool air temperatures (max 13°C on Wed night, min 2°C on Fri night). Winds increasing (light winds from the SW on Wed night, fresh winds from the NNW by Thu night).

Days 7–9 Weather Summary

Light rain (total 2mm), mostly falling on Mon night. Mild temperatures (max 9°C on Mon afternoon, min 2°C on Sat night). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 31mm), heaviest during Tue morning. Very mild (max 10°C on Wed morning, min 1°C on Thu afternoon). Winds increasing (calm on Tue morning, strong winds from the NW by Thu morning).

Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
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
3:43PM1.35m
6:11AM1.26m
4:22PM1.33m
6:44AM1.23m
5:02PM1.29m
7:17AM1.20m
5:46PM1.24m
7:49AM1.17m
6:38PM1.17m
8:20AM1.14m
7:43PM1.09m
8:51AM1.11m
9:05PM1.02m
9:23AM1.10m
10:45PM0.99m
10:00AM1.10m
00:54AM1.03m
10:46AM1.12m
2:30AM1.12m
11:48AM1.16m
3:29AM1.20m
12:59PM1.22m
4:18AM1.24m
Low Tide
10:37AM0.89m
11:04PM0.09m
11:15AM0.86m
11:39PM0.12m
11:54AM0.82m
00:15AM0.17m
12:35PM0.79m
00:52AM0.24m
1:19PM0.74m
1:31AM0.34m
2:10PM0.69m
2:14AM0.47m
3:12PM0.63m
3:04AM0.62m
4:26PM0.54m
4:06AM0.76m
5:46PM0.43m
5:26AM0.89m
6:56PM0.30m
6:54AM0.97m
7:57PM0.16m
8:05AM0.99m
8:52PM0.05m
Wave
height (m) 
direction
period (s) 
1.9
SSE
8
2.3
SSE
8
1.8
SSE
9
1.7
SSE
9
1.8
SE
9
1.3
SE
10
1.1
SE
10
1.1
SE
9
0.9
SE
8
1.3
ESE
8
1.6
SE
7
2.2
SSE
8
1.7
SSE
8
1.7
SSE
8
1.4
SE
8
1.3
E
14
1.2
E
13
1.4
E
14
1.3
E
14
1.3
E
13
1.2
E
13
1.2
E
12
1.1
E
12
1
E
13
0.9
E
13
0.9
E
13
1
E
13
1.7
ENE
14
2.1
SE
8
3
ESE
10
3
E
11
2.4
E
11
2.2
E
11
2
E
11
1.9
E
11
1.4
E
11
part cloud
cloud
rain showers
part cloud
clear
clear
clear
clear
part cloud
light rain
mod rain
mod rain
cloud
light rain
heavy rain
part cloud
clear
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
cloud
light rain
heavy rain
rain showers
cloud
cloud
light rain
mod rain
cloud
clear
clear
some clouds
cloudy
rain shwrs
some clouds
clear
clear
clear
clear
some clouds
light rain
mod rain
mod rain
cloudy
light rain
heavy rain
some clouds
clear
some clouds
some clouds
cloudy
clear
clear
clear
clear
clear
cloudy
light rain
heavy rain
rain shwrs
cloudy
cloudy
light rain
mod rain
cloudy
clear
clear
 km/h
15
SSW
20
SSW
30
NNW
25
NNW
25
NNW
15
NNW
10
NNE
10
ESE
10
WSW
15
SW
15
SSW
10
WNW
15
N
20
NNE
15
NNE
25
NW
20
NW
20
N
15
N
20
NW
20
NNW
20
NNW
15
NNW
10
NW
5
NNW
5
ESE
5
NNW
5
N
15
N
10
N
15
SW
10
WSW
20
NW
40
NW
40
WNW
30
WNW
 mm 
5
1
6
6
4
13
2
14
3
4
10
max°C
16
16
11
7
7
4
6
6
10
12
11
13
11
9
8
9
8
4
6
6
3
6
7
4
8
9
9
9
9
9
10
10
8
5
3
2
Moonrise
7:51
8:33
9:10
9:41
10:09
10:35
10:59
11:24
11:52
12:24
1:04
1:53
Moonset
5:07
6:08
7:12
8:16
9:20
10:25
11:30
12:37
1:49
3:04
4:21
Sunrise
6:45
6:45
6:46
6:46
6:47
6:47
6:47
6:48
6:48
6:48
6:48
6:48
Sunset
4:22
4:22
4:22
4:23
4:23
4:24
4:25
4:25
4:27
4:28
4:28
4:29
Today's sea temperature in Onahama is
15.2° C
(Statistics for 21 Dec 1981-2005 – mean: 17.8 max: 19.7 min: 15.7°C)
Issued (local time): 2 am Sunday 21 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest