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 06:46 AM and sunset is at 04:23 PM.

Days 1–3 Weather Summary

Heavy rain (total 22mm), heaviest during Wed morning. Icy conditions (max 13°C on Thu morning, min 0°C on Fri afternoon). Winds increasing (calm on Wed night, strong winds from the NW by Fri afternoon).

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 11°C on Mon morning, min 2°C on Sat morning). Wind will be generally light.

Days 7–9 Weather Summary

Some drizzle, heaviest during Tue night. Very mild (max 13°C on Tue morning, min 1°C on Wed night). Winds increasing (light winds from the W on Tue night, fresh winds from the NW by Thu morning).

Days 10–12 Weather Summary

A dusting of snow turning to light rain (total 7mm) on Sun night. Mild temperatures (max 8°C on Sat morning, min 2°C on Fri afternoon). Winds increasing (calm on Fri morning, fresh winds from the WNW by Mon morning).

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
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
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
2:04PM1.30m
4:55AM1.25m
2:59PM1.38m
5:30AM1.24m
3:48PM1.43m
Low Tide
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
9:02AM0.98m
9:42PM-0.03m
9:44AM0.93m
10:28PM-0.07m
10:24AM0.87m
11:11PM-0.06m
Wave
height (m) 
direction
period (s) 
1.1
E
8
1.2
E
12
2
SSE
8
1.8
SSE
8
1.8
SSE
8
1.8
SSE
8
1.6
E
13
1.8
E
13
1.1
E
14
1
E
14
1
E
14
1
E
13
1
E
13
0.9
E
13
0.9
E
13
0.8
E
12
1
E
12
1
E
12
1.1
SSE
6
0.9
ENE
14
0.9
ENE
16
0.9
ENE
15
0.9
ENE
14
1
ENE
13
0.9
ENE
12
0.9
ENE
13
0.9
ENE
12
1
SE
9
1
SE
9
1.1
SE
9
1.4
SE
9
1.4
ESE
9
1.4
ESE
9
1.2
ESE
9
1.1
ESE
9
1.2
ESE
8
mod rain
light rain
part cloud
part cloud
light rain
mod rain
rain showers
clear
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
clear
part cloud
cloud
rain showers
part cloud
part cloud
clear
clear
clear
part cloud
cloud
light snow
rain showers
cloud
part cloud
part cloud
cloud
cloud
rain showers
mod rain
light rain
some clouds
some clouds
light rain
mod rain
rain shwrs
clear
some clouds
some clouds
cloudy
some clouds
clear
clear
clear
clear
some clouds
clear
some clouds
cloudy
rain shwrs
some clouds
some clouds
clear
clear
clear
some clouds
cloudy
light snow
rain shwrs
cloudy
some clouds
some clouds
cloudy
cloudy
rain shwrs
 km/h
5
WSW
5
ESE
5
NW
10
NNE
15
NNE
15
NNE
25
WNW
45
NW
25
WNW
20
NW
5
W
5
WNW
10
WNW
15
NNW
5
WNW
5
SW
20
SSW
10
W
20
WNW
15
SSE
5
NNW
15
NNW
20
NW
25
NW
30
NW
25
NW
10
WNW
10
NNW
10
NNE
10
NNW
5
WNW
15
NE
15
NNW
15
N
10
NE
15
WNW
 mm 
8
2
2
7
3
1
1
6
max°C
10
11
11
13
11
11
8
3
1
5
6
4
9
9
6
11
11
10
13
13
10
10
9
4
4
5
3
4
2
3
8
8
4
5
5
5
Moonrise
9:41
10:09
10:35
10:59
11:24
11:52
12:24
1:04
1:53
2:54
4:04
5:20
Moonset
8:16
9:20
10:25
11:30
12:37
1:49
3:04
4:21
5:36
6:43
7:38
Sunrise
6:46
6:47
6:47
6:47
6:48
6:48
6:48
6:48
6:48
6:48
6:48
6:48
Sunset
4:23
4:23
4:24
4:25
4:25
4:27
4:28
4:28
4:29
4:30
4:30
4:31
Today's sea temperature in Onahama is
15.4° C
(Statistics for 24 Dec 1981-2005 – mean: 17.6 max: 19.4 min: 15.4°C)
Issued (local time): 8 am Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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