Nagasaki Sea Conditions and Tide Table

Nagasaki 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 05:19 PM.

Days 1–3 Weather Summary

Moderate rain (total 13mm), heaviest on Tue night. Cool air temperatures (max 16°C on Wed morning, min 4°C on Thu night). Winds increasing (calm on Wed morning, strong winds from the NW by Thu morning).

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 10°C on Sun afternoon, min 3°C on Fri night). Winds decreasing (fresh winds from the NNW on Fri morning, calm by Sat morning).

Days 7–9 Weather Summary

Some drizzle, heaviest during Mon night. Very mild (max 14°C on Mon afternoon, min 6°C on Tue night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 8mm), mostly falling on Thu morning. Very mild (max 12°C on Fri morning, min 3°C on Fri night). Winds decreasing (fresh winds from the NW on Fri night, light winds from the NNW by Sun morning).

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
10:42AM2.65m
10:00PM2.43m
11:20AM2.57m
10:46PM2.33m
12:00PM2.48m
11:39PM2.21m
12:43PM2.38m
00:41AM2.08m
1:30PM2.29m
1:58AM1.99m
2:22PM2.22m
3:27AM1.98m
3:19PM2.18m
4:54AM2.07m
4:18PM2.19m
6:04AM2.22m
5:13PM2.23m
6:59AM2.38m
6:03PM2.29m
7:45AM2.52m
6:50PM2.37m
8:25AM2.63m
7:34PM2.44m
Low Tide
4:29PM1.07m
4:36AM0.12m
5:12PM1.05m
5:18AM0.31m
5:59PM1.03m
6:04AM0.53m
6:53PM0.99m
6:55AM0.76m
7:55PM0.93m
7:57AM0.98m
9:04PM0.82m
9:11AM1.16m
10:11PM0.67m
10:30AM1.25m
11:12PM0.48m
11:40AM1.27m
00:04AM0.28m
12:38PM1.26m
00:51AM0.11m
1:26PM1.19m
1:34AM-0.03m
2:08PM1.11m
2:15AM-0.11m
Wave
height (m) 
direction
period (s) 
0.2
ESE
2
0.2
SSE
2
0.6
S
5
0.7
SSW
6
0.6
SSW
6
0.8
WNW
4
1.4
NW
5
2
NW
6
2.2
NW
7
1.5
NW
6
0.9
NW
5
0.3
NW
4
0.1
W
6
0.2
W
3
0.5
NW
4
0.2
WNW
4
0.1
W
3
0.1
W
4
0.1
SE
2
0.2
SSW
2
0.7
W
4
0.6
NW
4
0.4
NW
4
0.2
NNW
4
0.1
N
3
0
W
3
0.1
NE
2
0.2
NNW
3
0.3
NNE
2
0.5
N
4
0.6
N
3
1
NW
5
1.7
NW
6
1.4
NW
6
1
WNW
5
0.9
WNW
4
clear
part cloud
mod rain
rain showers
cloud
rain showers
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
part cloud
clear
part cloud
cloud
part cloud
cloud
part cloud
rain showers
part cloud
clear
clear
cloud
clear
part cloud
light rain
rain showers
part cloud
clear
clear
part cloud
cloud
cloud
rain showers
clear
some clouds
mod rain
rain shwrs
cloudy
rain shwrs
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
cloudy
some clouds
clear
some clouds
cloudy
some clouds
cloudy
some clouds
rain shwrs
some clouds
clear
clear
cloudy
clear
some clouds
light rain
rain shwrs
some clouds
clear
clear
some clouds
cloudy
cloudy
rain shwrs
 km/h
10
E
10
SSE
15
SE
15
SE
10
NW
20
WNW
35
NW
40
NW
40
NW
30
N
25
N
10
NNE
10
NE
10
NW
10
N
10
NNE
5
N
5
ESE
10
SE
10
SSW
20
NW
15
NNW
15
NNE
15
NNE
10
NE
10
NE
15
NNE
15
NNE
20
NNE
20
NNE
20
N
30
NNW
35
NW
30
NW
25
NW
25
NW
 mm 
10
1
2
1
4
3
1
max°C
14
15
15
16
15
15
11
10
6
4
5
4
7
9
8
9
10
10
12
14
14
11
12
8
9
12
11
8
9
10
12
11
7
5
5
5
Moonrise
9:44
10:18
10:48
11:17
11:44
12:12
12:43
1:19
2:01
2:53
3:55
5:05
Moonset
8:08
9:10
10:11
11:12
12:15
1:19
2:28
3:40
4:54
6:08
7:14
Sunrise
7:18
7:18
7:20
7:20
7:20
7:20
7:20
7:22
7:22
7:22
7:22
7:22
Sunset
5:19
5:19
5:20
5:20
5:21
5:22
5:22
5:22
5:23
5:23
5:24
5:25
Today's sea temperature in Nagasaki is
19.2° C
(Statistics for 23 Dec 1981-2005 – mean: 20.0 max: 21.4 min: 18.7°C)
Issued (local time): 2 am Tuesday 23 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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