O Sima (Saeki Wan) Sea Conditions and Tide Table

O Sima (Saeki Wan) 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 — and sunset is at 05:06 PM.

Days 1–4 Weather Summary

Light rain (total 2mm), mostly falling on Wed afternoon. Cool air temperatures (max 15°C on Wed afternoon, min 8°C on Mon night). Winds increasing (light winds from the NNW on Tue afternoon, fresh winds from the NW by Wed night).

Days 5–7 Weather Summary

Some drizzle, heaviest during Sun morning. Cool air temperatures (max 18°C on Fri night, min 11°C on Thu night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 7mm), mostly falling on Sun afternoon. Very mild (max 16°C on Sun afternoon, min 7°C on Tue morning). Winds decreasing (near gales from the N on Mon night, light winds from the NW by Wed morning).

Days 11–13 Weather Summary

Moderate rain (total 16mm), heaviest on Wed night. Very mild (max 12°C on Thu morning, min 7°C on Fri night). Winds increasing (calm on Wed night, strong winds from the NNW by Thu night).

Mon
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Sat
27
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
Wave Height Map
High Tide
3:28PM1.39m
5:43AM1.29m
4:05PM1.42m
6:29AM1.37m
4:43PM1.44m
7:07AM1.44m
5:20PM1.46m
7:42AM1.51m
5:57PM1.47m
8:17AM1.57m
6:33PM1.47m
8:51AM1.60m
7:10PM1.46m
9:25AM1.62m
7:46PM1.44m
9:58AM1.61m
8:24PM1.41m
10:31AM1.58m
9:06PM1.38m
11:04AM1.53m
9:56PM1.34m
11:36AM1.48m
10:57PM1.28m
Low Tide
10:40PM0.38m
10:37AM0.95m
11:18PM0.26m
11:25AM0.96m
11:53PM0.16m
12:08PM0.95m
00:28AM0.07m
12:49PM0.93m
1:02AM0.01m
1:28PM0.91m
1:35AM-0.03m
2:06PM0.90m
2:10AM-0.04m
2:44PM0.88m
2:44AM-0.01m
3:21PM0.87m
3:20AM0.04m
3:59PM0.84m
3:57AM0.13m
4:40PM0.80m
4:37AM0.24m
5:25PM0.73m
5:21AM0.39m
Wave
height (m) 
direction
period (s) 
0.5
N
3
0.2
ESE
9
0.2
ESE
9
0.2
ESE
8
0.1
SE
8
0.1
SE
8
0.4
SSE
3
0.5
NNW
3
0.6
NNW
4
0.3
NNE
3
0.1
SE
7
0.1
SE
8
0.5
SE
4
0.6
SE
4
0.5
SE
3
0.4
SE
3
0.4
SE
3
0.4
SE
9
0.4
SE
9
0.8
SE
9
1.3
NNE
5
1.5
NNE
5
2
NNE
6
1.6
NNE
6
1.4
NNE
5
0.9
NNE
5
0.4
ESE
10
0.4
ESE
10
0.4
SE
10
0.3
SE
9
1
N
4
1.2
N
5
0.6
NNE
4
0.4
NNE
3
0.3
WNW
2
0.2
ESE
14
clear
clear
part cloud
part cloud
clear
part cloud
light rain
rain showers
clear
clear
clear
part cloud
cloud
part cloud
part cloud
cloud
part cloud
rain showers
light rain
light rain
cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
mod rain
light rain
light rain
rain showers
part cloud
part cloud
clear
part cloud
clear
clear
some clouds
some clouds
clear
some clouds
light rain
rain shwrs
clear
clear
clear
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
rain shwrs
light rain
light rain
cloudy
cloudy
some clouds
clear
some clouds
some clouds
some clouds
cloudy
mod rain
light rain
light rain
rain shwrs
some clouds
some clouds
clear
some clouds
 km/h
25
NNW
10
NW
10
NW
15
N
5
W
10
S
25
S
30
NW
25
NNW
20
N
5
WNW
5
ENE
20
SE
25
SE
20
SSE
20
SSE
15
SSE
10
SSE
20
NNW
35
NNW
40
N
50
N
55
N
50
N
40
NNW
20
NNW
15
NW
15
N
5
SW
5
SSE
40
NNW
45
NNW
30
NNW
20
N
25
WNW
20
WNW
 mm 
1
1
1
5
2
8
4
3
1
max°C
11
10
10
12
11
14
15
14
12
13
12
16
17
18
18
18
18
18
16
15
12
12
10
8
10
10
11
11
11
12
11
10
9
10
10
9
Moonrise
3:35
4:33
5:31
6:29
7:23
8:13
8:58
9:36
10:10
10:39
11:08
11:35
Moonset
2:11
2:45
3:24
4:09
5:00
5:57
6:57
7:59
9:00
10:01
11:03
Sunrise
7:07
7:07
7:07
7:07
7:09
7:09
7:09
7:11
7:11
7:11
7:11
7:11
Sunset
5:06
5:06
5:06
5:07
5:07
5:07
5:07
5:08
5:08
5:09
5:09
5:10
Today's sea temperature in O Sima (Saeki Wan) is
19.4° C
(Statistics for 15 Dec 1981-2005 – mean: 20.8 max: 22.1 min: 19.6°C)
Issued (local time): 2 pm Monday 15 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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