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 05:15 PM.

Days 1–3 Weather Summary

Heavy rain (total 47mm), heaviest during Sat night. Cool air temperatures (max 19°C on Sat morning, min 7°C on Sun night). Wind will be generally light.

Days 4–6 Weather Summary

Moderate rain (total 13mm), heaviest on Tue night. Cool air temperatures (max 16°C on Tue night, min 6°C on Mon night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 4mm), mostly falling on Sat night. Very mild (max 14°C on Sat afternoon, min 7°C on Thu night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Very mild (max 16°C on Wed morning, min 7°C on Mon night). Winds decreasing (fresh winds from the NW on Mon morning, light winds from the WSW by Tue afternoon).

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
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
8:33AM2.50m
7:42PM2.42m
9:07AM2.56m
8:18PM2.47m
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
Low Tide
2:18PM1.09m
2:16AM0.13m
2:54PM1.05m
2:52AM0.08m
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
Wave
height (m) 
direction
period (s) 
0.4
SSE
3
0.8
S
4
0.8
S
4
0.6
S
4
0.7
S
4
0.8
SSW
5
1
NW
4
1.1
NW
5
0.9
N
4
1.1
NNE
4
1
NNE
4
0.4
NE
3
0.1
NE
2
0.3
S
2
0.9
SSW
4
1.1
WNW
5
1.3
WNW
5
0.9
NNW
5
0.9
NNE
4
0.8
NNE
4
0.6
NE
4
0.4
NE
3
0.4
NNE
3
0.5
NE
3
0.2
NNE
2
0.2
N
3
0.5
NNW
4
0.8
WNW
4
0.7
WNW
4
0.6
NW
4
1.4
NW
5
1.6
NW
6
1
NW
5
0.7
NW
4
0.5
WNW
4
0.9
W
4
part cloud
part cloud
part cloud
part cloud
mod rain
rain showers
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
heavy rain
rain showers
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
rain showers
cloud
cloud
part cloud
cloud
clear
clear
clear
clear
part cloud
some clouds
some clouds
some clouds
some clouds
mod rain
rain shwrs
some clouds
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
heavy rain
rain shwrs
clear
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
rain shwrs
cloudy
cloudy
some clouds
cloudy
clear
clear
clear
clear
some clouds
 km/h
10
SE
15
S
15
SSE
10
SE
10
SSE
10
SSW
20
NW
25
N
15
NNE
15
NE
25
NE
5
ENE
5
E
10
SSE
15
SW
20
NW
25
NW
15
NNE
20
NE
20
NNE
10
NE
5
NE
10
NNE
5
NE
5
ENE
10
NNW
15
NNW
15
NW
15
NW
10
NW
25
NW
30
NW
15
NW
10
NW
15
W
15
WSW
 mm 
6
41
11
2
4
max°C
16
17
15
19
17
16
14
12
8
11
12
8
14
15
16
12
11
10
12
12
9
12
12
9
13
14
11
12
11
10
11
11
9
11
11
14
Moonrise
6:39
7:34
8:24
9:08
9:46
10:20
10:49
11:17
11:45
12:12
12:43
1:18
Moonset
4:18
5:09
6:06
7:06
8:08
9:10
10:11
11:13
12:15
1:20
2:29
Sunrise
7:18
7:18
7:18
7:20
7:20
7:20
7:20
7:22
7:22
7:22
7:22
7:22
Sunset
5:15
5:16
5:16
5:17
5:17
5:19
5:19
5:20
5:20
5:21
5:22
5:22
Today's sea temperature in Sasebo is
15.9° C
(Statistics for 19 Dec 1981-2005 – mean: 19.6 max: 20.8 min: 18.0°C)
Issued (local time): 8 am Friday 19 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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