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 06:58 AM and sunset is at 05:04 PM.

Days 1–3 Weather Summary

Mostly dry. Cool air temperatures (max 16°C on Sun afternoon, min 7°C on Fri night). Winds decreasing (strong winds from the NNW on Fri morning, calm by Sat morning).

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 16°C on Mon morning, min 9°C on Mon night). Winds decreasing (strong winds from the NNW on Mon afternoon, calm by Wed morning).

Days 7–9 Weather Summary

Heavy rain (total 50mm), heaviest during Sat night. Very mild (max 15°C on Thu afternoon, min 9°C on Fri night). Winds decreasing (strong winds from the N on Fri afternoon, calm by Sat morning).

Days 10–12 Weather Summary

Some drizzle, heaviest during Sun morning. Very mild (max 15°C on Tue afternoon, min 9°C on Sun afternoon). Winds decreasing (near gales from the NW on Sun morning, calm by Mon night).

Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
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
7:45AM1.78m
6:28PM1.66m
8:37AM1.79m
7:13PM1.65m
9:28AM1.76m
7:59PM1.61m
10:19AM1.70m
8:48PM1.53m
11:08AM1.62m
9:43PM1.43m
11:57AM1.53m
10:47PM1.31m
12:44PM1.46m
00:07AM1.21m
1:29PM1.41m
1:41AM1.15m
2:11PM1.38m
3:18AM1.15m
2:50PM1.38m
4:42AM1.21m
3:28PM1.39m
5:43AM1.29m
4:05PM1.42m
Low Tide
1:12PM0.85m
1:26AM-0.23m
1:59PM0.88m
2:13AM-0.22m
2:46PM0.91m
3:00AM-0.14m
3:34PM0.93m
3:46AM-0.00m
4:26PM0.93m
4:35AM0.17m
5:25PM0.91m
5:25AM0.37m
6:36PM0.86m
6:19AM0.56m
7:55PM0.77m
7:23AM0.72m
9:04PM0.64m
8:34AM0.85m
9:57PM0.51m
9:41AM0.92m
10:40PM0.38m
10:37AM0.95m
11:18PM0.26m
Wave
height (m) 
direction
period (s) 
0.3
SE
9
1.2
N
5
0.3
SE
8
0.1
SE
8
0.1
SE
8
0.1
SE
8
0.1
SE
9
0.2
ESE
8
0.1
SE
8
0.1
SE
8
1.1
N
4
0.9
NNW
4
0.6
NNW
4
0.6
N
3
0.4
SE
9
0.2
ESE
8
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.5
N
3
0.7
NNW
4
0.9
N
4
1.1
NNE
5
0.7
NNE
6
0.4
ESE
6
0.9
SE
4
0.7
SE
5
1.3
SSE
7
1.6
NNW
5
1
NNW
5
0.5
SE
8
0.4
SE
8
0.2
ESE
8
0.3
SE
8
0.4
S
3
0.3
SE
7
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
light rain
mod rain
heavy rain
light rain
cloud
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
some clouds
clear
some clouds
light rain
mod rain
heavy rain
light rain
cloudy
clear
clear
clear
clear
clear
clear
clear
 km/h
25
NW
40
NNW
10
NW
5
NW
10
SE
10
NW
5
W
10
SSE
10
W
15
NW
40
N
35
NNW
30
NNW
30
N
15
NW
10
NNW
5
ESE
5
SW
15
NNW
25
N
30
NNW
35
NNW
40
N
20
NW
10
NW
35
ESE
20
NNE
50
NW
50
NNW
40
NW
20
NW
20
NNW
5
SW
20
SSW
20
SSW
10
SW
 mm 
1
7
42
1
max°C
10
9
9
9
12
11
14
16
15
16
14
11
11
12
12
11
13
13
14
15
14
14
13
11
9
13
14
10
10
9
10
11
10
12
15
14
Moonrise
5:03
6:10
7:23
8:35
9:43
10:48
11:48
12:46
1:42
2:38
3:35
Moonset
7:13
8:25
9:26
10:17
10:57
11:31
12:00
12:26
12:50
1:15
1:42
2:11
Sunrise
6:58
6:58
7:00
7:01
7:01
7:01
7:03
7:03
7:05
7:05
7:05
7:07
Sunset
5:04
5:04
5:04
5:04
5:05
5:05
5:05
5:05
5:05
5:06
5:06
5:06
Today's sea temperature in O Sima (Saeki Wan) is
20.7° C
(Statistics for 05 Dec 1981-2005 – mean: 21.6 max: 22.7 min: 20.7°C)
Issued (local time): 8 am Friday 05 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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