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 06:43 AM and sunset is at 04:21 PM.

Days 1–3 Weather Summary

Heavy rain (total 28mm), heaviest during Sun morning. Cool air temperatures (max 16°C on Sun morning, min 6°C on Fri morning). Winds increasing (calm on Fri morning, fresh winds from the NNW by Sun night).

Days 4–6 Weather Summary

Moderate rain (total 15mm), heaviest on Wed night. Cool air temperatures (max 13°C on Wed night, min 3°C on Mon night). Winds increasing (light winds from the SSE on Tue afternoon, fresh winds from the NW by Wed night).

Days 7–9 Weather Summary

Light rain (total 9mm), mostly falling on Sat night. Very mild (max 12°C on Sat night, min 4°C on Thu night). Winds increasing (calm on Fri night, fresh winds from the ESE by Sat night).

Days 10–12 Weather Summary

Heavy rain (total 27mm), heaviest during Sun morning. Very mild (max 13°C on Sun morning, min 7°C on Mon night). Winds decreasing (strong winds from the WNW on Sun afternoon, light winds from the N by Mon night).

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
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
2:29PM1.33m
5:06AM1.27m
3:06PM1.35m
5:38AM1.27m
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
Low Tide
9:21AM0.93m
9:58PM0.10m
9:59AM0.91m
10:31PM0.09m
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
Wave
height (m) 
direction
period (s) 
0.7
E
13
0.7
E
12
0.7
E
12
1
E
11
1.3
SSE
6
1.3
SSE
6
2.1
SSE
8
2.5
SSE
8
1.9
SSE
9
1.8
SE
9
1.7
SE
9
1.3
SE
9
0.9
SE
9
0.9
SE
9
0.8
ESE
8
1
ESE
8
1.6
SE
6
2.3
SE
8
2
SE
9
1.6
SE
9
1.2
SE
9
1.1
E
16
1.2
E
15
1.3
E
14
1.2
E
14
1.3
E
14
1.4
E
14
3
SE
8
3
SE
10
2.4
SE
10
1.9
ESE
10
1.8
E
11
1.6
E
12
1.5
E
11
1.5
E
11
2.1
E
11
clear
part cloud
part cloud
part cloud
clear
rain showers
heavy rain
cloud
rain showers
clear
clear
clear
part cloud
part cloud
cloud
cloud
light rain
rain showers
clear
clear
clear
clear
clear
clear
part cloud
cloud
mod rain
rain showers
part cloud
cloud
part cloud
part cloud
cloud
cloud
light rain
cloud
clear
some clouds
some clouds
some clouds
clear
rain shwrs
heavy rain
cloudy
rain shwrs
clear
clear
clear
some clouds
some clouds
cloudy
cloudy
light rain
rain shwrs
clear
clear
clear
clear
clear
clear
some clouds
cloudy
mod rain
rain shwrs
some clouds
cloudy
some clouds
some clouds
cloudy
cloudy
light rain
cloudy
 km/h
5
WSW
15
S
10
WSW
20
SW
25
SW
20
SSW
25
S
25
SSW
30
NNW
30
NNW
30
NNW
15
N
10
N
10
SE
10
SW
20
SSW
20
SSW
35
NW
30
NNW
30
NNW
25
NNW
25
NNW
10
NNE
10
NNW
5
ESE
5
ESE
10
E
30
ENE
45
WNW
30
WNW
35
NW
25
NW
15
NW
10
NW
15
N
35
NNE
 mm 
11
16
1
2
13
9
25
1
max°C
9
10
11
14
15
15
16
15
13
6
6
3
6
7
9
12
12
13
8
7
4
7
7
5
8
8
12
13
10
10
11
10
8
9
9
9
Moonrise
6:06
7:01
7:51
8:33
9:10
9:41
10:09
10:35
10:59
11:24
11:52
12:24
Moonset
3:18
4:09
5:07
6:08
7:12
8:16
9:20
10:25
11:30
12:37
1:49
Sunrise
6:43
6:43
6:45
6:45
6:46
6:46
6:47
6:47
6:47
6:48
6:48
6:48
Sunset
4:21
4:22
4:22
4:22
4:22
4:23
4:23
4:24
4:25
4:25
4:27
4:28
Today's sea temperature in Onahama is
15.4° C
(Statistics for 19 Dec 1981-2005 – mean: 17.8 max: 19.7 min: 15.7°C)
Issued (local time): 2 am Friday 19 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest