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 07:18 AM and sunset is at 05:16 PM.

Days 1–3 Weather Summary

Moderate rain (total 18mm), heaviest on Tue night. Cool air temperatures (max 16°C on Tue afternoon, min 7°C on Mon night). Wind will be generally light.

Days 4–6 Weather Summary

Some drizzle, heaviest during Wed morning. Cool air temperatures (max 14°C on Wed morning, min 4°C on Thu night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Very mild (max 11°C on Mon afternoon, min 4°C on Sat night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 6mm), mostly falling on Tue night. Very mild (max 14°C on Tue afternoon, min 3°C on Wed night). Winds decreasing (fresh winds from the NW on Wed night, calm by Thu night).

Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
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
9:40AM2.58m
8:55PM2.49m
10:13AM2.59m
9:31PM2.49m
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
Low Tide
3:29PM1.02m
3:27AM0.05m
4:03PM1.00m
4:02AM0.05m
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
Wave
height (m) 
direction
period (s) 
1.1
NW
5
1.1
NW
5
0.9
NNW
4
0.7
NNE
4
0.7
NNE
4
0.4
NE
4
0.1
NE
2
0.3
S
2
1.1
S
4
1
SW
6
0.9
WNW
5
0.6
NW
4
1
NNW
4
1.3
NNW
5
1.2
NNW
5
1.2
NNW
5
0.6
NNW
5
0.8
NW
4
0.5
NW
4
0.4
NNW
3
0.4
NW
3
0.2
NNW
3
0.1
NW
2
0.1
N
2
0
E
2
0.1
S
2
0
W
3
0.3
SSE
2
0.7
WSW
4
1.4
WNW
5
1.4
NW
6
1.8
NW
6
2.1
NW
6
1.3
NW
6
0.8
NW
5
0.4
NW
4
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
heavy rain
light rain
cloud
cloud
cloud
cloud
clear
clear
part cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
cloud
part cloud
clear
part cloud
light rain
light rain
light rain
light rain
part cloud
clear
clear
clear
some clouds
some clouds
clear
clear
some clouds
clear
some clouds
some clouds
heavy rain
light rain
cloudy
cloudy
cloudy
cloudy
clear
clear
some clouds
cloudy
cloudy
some clouds
clear
clear
clear
some clouds
cloudy
some clouds
clear
some clouds
light rain
light rain
light rain
light rain
some clouds
clear
clear
clear
 km/h
20
N
20
NNE
15
NNE
15
NE
20
NNE
10
ENE
5
E
15
SSE
15
SSE
20
WNW
15
WNW
10
N
15
NNW
25
NNW
20
N
25
N
15
N
5
NE
5
NE
15
N
5
NNE
5
E
5
N
5
E
5
ESE
5
WSW
5
ESE
10
SE
15
WSW
30
WNW
25
NW
30
NW
30
NW
20
NNW
20
NNW
0
NE
 mm 
18
1
2
2
1
1
max°C
13
10
8
12
12
9
13
16
16
14
13
12
11
9
8
6
6
6
7
8
6
8
10
6
10
11
8
12
14
12
5
6
5
5
5
5
Moonrise
8:24
9:08
9:46
10:20
10:49
11:17
11:45
12:12
12:43
1:18
2:00
2:52
Moonset
6:06
7:06
8:08
9:10
10:11
11:13
12:15
1:20
2:29
3:41
4:56
Sunrise
7:18
7:20
7:20
7:20
7:20
7:22
7:22
7:22
7:22
7:22
7:22
7:24
Sunset
5:16
5:17
5:17
5:19
5:19
5:20
5:20
5:21
5:22
5:22
5:22
5:23
Today's sea temperature in Sasebo is
16.1° C
(Statistics for 21 Dec 1981-2005 – mean: 19.4 max: 20.8 min: 18.0°C)
Issued (local time): 2 am Sunday 21 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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