Sasebo Sea Conditions and Tide Table

Sasebo 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 07:20 AM and sunset is at 05:19 PM.

Days 1–3 Weather Summary

Moderate rain (total 17mm), heaviest on Wed morning. Cool air temperatures (max 15°C on Wed afternoon, min 3°C on Thu night). Winds increasing (calm on Wed afternoon, strong winds from the NW by Thu night).

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 12°C on Mon afternoon, min 5°C on Sat morning). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Very mild (max 13°C on Tue morning, min 4°C on Wed night). Winds increasing (calm on Tue afternoon, fresh winds from the N by Wed morning).

Days 10–12 Weather Summary

Light rain (total 6mm), mostly falling on Fri afternoon. Very mild (max 11°C on Sat morning, min 3°C on Sun night). Winds increasing (light winds from the NE on Fri afternoon, fresh winds from the NW by Sun night).

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
11:22AM2.56m
10:52PM2.38m
11:59AM2.51m
11:37PM2.28m
12:40PM2.45m
00:32AM2.17m
1:25PM2.38m
1:41AM2.07m
2:16PM2.31m
3:09AM2.03m
3:17PM2.26m
4:52AM2.12m
4:25PM2.26m
6:17AM2.32m
5:32PM2.32m
7:19AM2.54m
6:34PM2.41m
8:11AM2.71m
7:29PM2.53m
8:55AM2.82m
8:18PM2.64m
9:36AM2.86m
9:03PM2.69m
Low Tide
5:10PM1.02m
5:19AM0.28m
5:57PM1.02m
6:04AM0.44m
6:54PM0.99m
6:57AM0.64m
8:00PM0.92m
8:05AM0.85m
9:11PM0.77m
9:24AM1.02m
10:20PM0.57m
10:42AM1.10m
11:21PM0.33m
11:52AM1.11m
00:18AM0.09m
12:53PM1.07m
1:11AM-0.10m
1:46PM0.99m
2:01AM-0.25m
2:33PM0.91m
2:47AM-0.32m
3:17PM0.84m
3:31AM-0.29m
Wave
height (m) 
direction
period (s) 
0.5
S
4
0.4
SW
4
0.6
NNW
4
1.2
NW
5
2.1
NW
6
2.4
NW
7
1.6
NW
6
1.1
NW
5
0.5
NW
4
0.4
NW
3
0.3
NW
3
0.4
NW
3
0.2
N
2
0.2
N
2
0.1
SW
2
0.3
SW
3
0.5
SW
4
0.2
WSW
4
0.2
SSW
2
0.1
SW
2
0.4
NW
3
1
NNW
5
1.2
NNW
5
0.8
NNW
4
0.4
N
3
0.3
NNW
3
0.1
NE
2
0.1
E
2
0.3
NE
2
0.3
N
3
0.7
N
4
0.6
NNW
4
0.5
NW
4
1.3
WNW
4
1.6
NW
6
1.9
WNW
6
heavy rain
light rain
light rain
part cloud
part cloud
cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
light rain
cloud
part cloud
part cloud
cloud
cloud
light rain
light rain
heavy rain
light rain
light rain
some clouds
some clouds
cloudy
some clouds
clear
some clouds
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
cloudy
light rain
cloudy
some clouds
some clouds
cloudy
cloudy
light rain
light rain
 km/h
10
SE
0
WNW
10
N
25
NW
40
NW
40
NW
30
NNW
25
NNW
5
NNE
5
NNE
10
NNW
5
N
5
E
5
W
10
SSE
10
SE
5
S
5
SSE
5
E
0
SE
10
N
25
N
25
N
10
N
10
NE
10
N
5
ENE
10
E
10
NNE
10
NNE
15
N
20
N
10
NNW
25
WNW
30
NW
35
NW
 mm 
11
2
4
1
1
4
max°C
14
15
14
11
9
5
4
4
4
7
8
6
9
10
8
11
12
11
13
12
11
8
8
6
8
9
7
8
8
9
11
10
9
7
6
5
Moonrise
10:20
10:50
11:18
11:45
12:13
12:43
1:18
2:01
2:52
3:54
5:04
6:18
Moonset
9:10
10:11
11:13
12:15
1:20
2:29
3:42
4:57
6:10
7:16
8:12
Sunrise
7:20
7:20
7:22
7:22
7:22
7:22
7:22
7:24
7:24
7:24
7:24
7:24
Sunset
5:19
5:19
5:20
5:20
5:21
5:22
5:22
5:22
5:23
5:24
5:24
5:25
Today's sea temperature in Sasebo is
16.9° C
(Statistics for 24 Dec 1981-2005 – mean: 19.2 max: 20.7 min: 17.8°C)
Issued (local time): 8 am Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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