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 05:17 PM.

Days 1–3 Weather Summary

Moderate rain (total 10mm), heaviest on Tue night. Cool air temperatures (max 15°C on Tue afternoon, min 3°C on Thu night). Winds increasing (calm on Wed night, strong winds from the NW by Thu afternoon).

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 10°C on Sun afternoon, min 3°C on Fri morning). Wind will be generally light.

Days 7–9 Weather Summary

Some drizzle, heaviest during Mon night. Very mild (max 14°C on Mon night, min 5°C on Wed night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 5mm), mostly falling on Thu morning. Mild temperatures (max 8°C on Sat afternoon, min 2°C on Fri night). Wind will be generally light.

Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
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
10:46AM2.57m
10:08PM2.46m
11:20AM2.52m
10:47PM2.39m
11:55AM2.46m
11:32PM2.28m
12:34PM2.39m
00:26AM2.16m
1:18PM2.31m
1:37AM2.04m
2:11PM2.24m
3:05AM2.00m
3:14PM2.21m
4:40AM2.10m
4:22PM2.23m
6:03AM2.29m
5:26PM2.32m
7:08AM2.52m
6:25PM2.44m
8:03AM2.70m
7:18PM2.58m
8:51AM2.82m
8:07PM2.69m
Low Tide
4:38PM0.99m
4:38AM0.11m
5:16PM0.98m
5:16AM0.21m
5:57PM0.98m
5:57AM0.37m
6:45PM0.96m
6:43AM0.57m
7:44PM0.90m
7:40AM0.81m
8:53PM0.79m
8:54AM1.02m
10:04PM0.60m
10:20AM1.15m
11:11PM0.35m
11:44AM1.16m
00:11AM0.10m
12:55PM1.11m
1:06AM-0.12m
1:50PM1.00m
1:57AM-0.29m
2:38PM0.90m
2:44AM-0.38m
Wave
height (m) 
direction
period (s) 
0.2
ESE
2
0.3
S
2
0.6
S
4
0.4
SW
4
0.3
SW
4
0.5
NW
3
1.6
WNW
5
2.1
WNW
6
2.5
NW
7
1.5
NW
6
1.1
NW
5
0.4
NW
3
0.3
NW
2
0.4
NW
3
0.8
NW
4
0.4
NW
3
0.3
NW
3
0.1
SW
2
0.3
SW
3
0.6
WSW
3
0.8
W
4
0.9
WNW
4
0.7
NW
4
0.4
NNW
3
1.1
NW
4
1.2
NW
5
1.4
NW
5
1.2
NW
5
1.1
NW
5
1.1
NW
5
0.9
NW
5
0.6
NNW
4
0.2
N
3
0.1
N
2
0
W
2
0.4
WNW
3
clear
part cloud
light rain
light rain
cloud
light rain
cloud
cloud
cloud
part cloud
clear
cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
light rain
cloud
cloud
part cloud
part cloud
part cloud
cloud
light rain
cloud
cloud
light rain
part cloud
cloud
cloud
cloud
light rain
clear
some clouds
light rain
light rain
cloudy
light rain
cloudy
cloudy
cloudy
some clouds
clear
cloudy
some clouds
some clouds
clear
some clouds
some clouds
some clouds
clear
some clouds
light rain
cloudy
cloudy
some clouds
some clouds
some clouds
cloudy
light rain
cloudy
cloudy
light rain
some clouds
cloudy
cloudy
cloudy
light rain
 km/h
10
ESE
15
SSW
10
SE
5
ENE
10
NNW
5
NNW
25
NW
35
NW
40
NW
25
NNW
20
NNW
5
NE
5
ENE
10
NW
10
NNW
5
E
5
NW
5
SSE
10
SE
10
SSW
15
WSW
15
NNW
15
NW
10
NNE
20
NNW
25
NW
25
NW
20
NW
15
NW
20
NW
10
N
15
N
5
NE
5
NE
5
NW
5
NW
 mm 
3
4
3
1
2
1
2
max°C
14
15
13
13
14
14
10
10
4
4
4
3
8
8
7
9
10
9
12
13
14
10
10
8
9
8
7
5
5
6
6
5
3
7
8
7
Moonrise
9:46
10:20
10:49
11:17
11:45
12:12
12:43
1:18
2:00
2:52
3:54
5:04
Moonset
8:08
9:10
10:11
11:13
12:15
1:20
2:29
3:41
4:56
6:10
7:16
Sunrise
7:20
7:20
7:20
7:22
7:22
7:22
7:22
7:22
7:22
7:24
7:24
7:24
Sunset
5:17
5:19
5:19
5:20
5:20
5:21
5:22
5:22
5:22
5:23
5:24
5:24
Today's sea temperature in Sasebo is
16.7° C
(Statistics for 23 Dec 1981-2005 – mean: 19.3 max: 20.8 min: 18.0°C)
Issued (local time): 8 am Tuesday 23 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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