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 — and sunset is at 05:15 PM.

Days 1–4 Weather Summary

Light rain (total 4mm), mostly falling on Wed morning. Cool air temperatures (max 15°C on Wed morning, min 7°C on Mon night). Wind will be generally light.

Days 5–7 Weather Summary

Heavy rain (total 22mm), heaviest during Sat night. Cool air temperatures (max 19°C on Sat morning, min 10°C on Thu night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Very mild (max 14°C on Sun afternoon, min 6°C on Tue night). Winds decreasing (fresh winds from the NE on Mon night, calm by Wed morning).

Days 11–13 Weather Summary

Light rain (total 7mm), mostly falling on Wed night. Very mild (max 14°C on Thu morning, min 8°C on Thu night). Winds increasing (calm on Wed afternoon, fresh winds from the NNE by Thu afternoon).

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
5:28PM2.18m
6:50AM2.20m
6:09PM2.23m
7:30AM2.33m
6:46PM2.29m
8:04AM2.45m
7:21PM2.36m
8:37AM2.53m
7:55PM2.41m
9:08AM2.58m
8:28PM2.46m
9:40AM2.61m
9:02PM2.48m
10:13AM2.61m
9:36PM2.48m
10:47AM2.60m
10:12PM2.44m
11:22AM2.56m
10:52PM2.38m
11:59AM2.51m
11:37PM2.28m
12:40PM2.45m
00:32AM2.17m
Low Tide
11:56PM0.62m
12:13PM1.16m
00:35AM0.46m
12:55PM1.13m
1:11AM0.33m
1:34PM1.09m
1:46AM0.22m
2:09PM1.05m
2:20AM0.14m
2:44PM1.02m
2:54AM0.09m
3:18PM1.00m
3:29AM0.08m
3:53PM1.00m
4:03AM0.10m
4:30PM1.01m
4:40AM0.17m
5:10PM1.02m
5:19AM0.28m
5:57PM1.02m
6:04AM0.44m
6:54PM0.99m
6:57AM0.64m
Wave
height (m) 
direction
period (s) 
0.4
NW
4
0.1
W
5
0.1
SW
6
0.2
W
2
0.1
W
2
0.4
SSW
2
0.9
WNW
4
0.5
NW
4
0.3
NNW
3
0.2
NNW
3
0.1
NE
2
0.1
SE
2
0.2
S
2
0.4
S
3
0.4
S
4
0.7
S
4
0.4
SSW
4
0.4
W
3
0.9
NNE
4
1.1
NNE
5
1.2
NNE
5
0.8
N
4
1.3
NNE
5
1.2
NNE
5
1.2
NNE
4
0.6
NE
4
0.1
NE
2
0
W
5
0.1
W
4
1.1
NW
4
1.5
N
5
0.7
N
4
0.2
NNW
3
0.9
WNW
4
1.3
WNW
5
1.4
NW
5
clear
clear
part cloud
cloud
cloud
rain showers
rain showers
part cloud
clear
clear
clear
clear
part cloud
rain showers
part cloud
rain showers
heavy rain
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
light rain
rain showers
rain showers
part cloud
cloud
cloud
cloud
part cloud
clear
clear
some clouds
cloudy
cloudy
rain shwrs
rain shwrs
some clouds
clear
clear
clear
clear
some clouds
rain shwrs
some clouds
rain shwrs
heavy rain
light rain
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
light rain
rain shwrs
rain shwrs
some clouds
cloudy
cloudy
cloudy
some clouds
 km/h
5
N
0
SSE
5
SSE
10
SW
5
SSE
10
SSE
25
NW
15
NNE
10
NE
10
N
5
E
10
ESE
10
S
10
SSE
10
SE
20
S
10
S
10
N
20
NNE
30
NNE
30
NNE
25
NNE
35
NE
25
NE
25
NE
10
ENE
5
E
0
W
5
ESE
20
NNW
35
NNE
20
NNE
5
NNE
20
WNW
25
NW
30
NW
 mm 
2
2
1
1
16
4
3
2
2
max°C
11
7
13
14
13
15
15
13
13
14
11
16
18
14
19
19
17
15
14
13
12
13
10
10
10
8
11
12
13
14
11
9
10
9
9
8
Moonrise
3:45
4:43
5:42
6:39
7:34
8:24
9:08
9:46
10:20
10:50
11:18
11:45
Moonset
2:21
2:54
3:33
4:18
5:09
6:06
7:06
8:08
9:10
10:11
11:13
Sunrise
7:16
7:16
7:18
7:18
7:18
7:18
7:20
7:20
7:20
7:20
7:22
7:22
Sunset
5:15
5:15
5:15
5:15
5:15
5:16
5:16
5:17
5:17
5:19
5:19
5:20
Today's sea temperature in Sasebo is
17.3° C
(Statistics for 15 Dec 1981-2005 – mean: 19.8 max: 21.1 min: 18.2°C)
Issued (local time): 2 pm Monday 15 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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