Io Sima (Nagasaki) Sea Conditions and Tide Table

Io Sima (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 — and sunset is at 05:21 PM.

Days 1–4 Weather Summary

Mostly dry. Cool air temperatures (max 14°C on Mon morning, min 3°C on Fri afternoon). Winds decreasing (fresh winds from the N on Fri afternoon, calm by Sun morning).

Days 5–7 Weather Summary

Mostly dry. Cool air temperatures (max 15°C on Mon afternoon, min 5°C on Wed morning). Mainly fresh winds.

Days 8–10 Weather Summary

Mostly dry. Very mild (max 11°C on Sat morning, min 6°C on Thu afternoon). Mainly fresh winds.

Days 11–13 Weather Summary

Light rain (total 3mm), mostly falling on Wed morning. Very mild (max 12°C on Wed afternoon, min 7°C on Sun night). Winds decreasing (fresh winds from the NW on Sun afternoon, light winds from the NW by Wed morning).

Fri
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tuesday
6
Wed
7
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
12:42PM2.40m
00:45AM2.13m
1:27PM2.31m
1:58AM2.04m
2:17PM2.24m
3:22AM2.01m
3:12PM2.19m
4:47AM2.08m
4:10PM2.18m
5:59AM2.21m
5:08PM2.21m
6:56AM2.35m
6:00PM2.26m
7:45AM2.49m
6:50PM2.34m
8:26AM2.59m
7:36PM2.41m
9:04AM2.66m
8:20PM2.47m
9:39AM2.69m
9:02PM2.51m
10:14AM2.69m
9:44PM2.50m
10:47AM2.65m
Low Tide
6:53PM0.93m
6:57AM0.76m
7:52PM0.87m
7:56AM0.97m
8:57PM0.78m
9:07AM1.15m
10:03PM0.65m
10:23AM1.26m
11:05PM0.49m
11:35AM1.29m
00:00AM0.31m
12:35PM1.27m
00:49AM0.16m
1:26PM1.20m
1:34AM0.03m
2:10PM1.12m
2:16AM-0.06m
2:49PM1.03m
2:56AM-0.08m
3:27PM0.94m
3:35AM-0.05m
4:05PM0.86m
4:13AM0.04m
Wave
height (m) 
direction
period (s) 
1
NW
5
0.4
NW
4
0.2
WNW
3
0.3
WNW
3
0.1
W
4
0.1
NW
3
0.1
W
2
0.1
S
2
0.3
WSW
3
0.4
WSW
3
0.3
WSW
3
0.4
WNW
3
0.4
NW
4
0.6
NW
4
0.7
NNW
4
0.8
NNW
4
0.2
NNW
3
0.3
N
2
0.4
NNW
3
0.3
NNW
3
0.2
WNW
3
0.7
NW
4
0.4
NW
4
0.5
NW
4
0.5
NW
4
0.9
WNW
4
0.9
NW
5
1.2
NW
5
1.4
NW
6
0.9
NW
5
0.9
WNW
4
1.1
NW
5
0.4
NW
4
0.4
NW
3
0.2
WNW
3
0.3
WNW
3
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
cloud
clear
cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
clear
part cloud
cloud
part cloud
cloud
light rain
clear
some clouds
some clouds
clear
some clouds
some clouds
clear
some clouds
cloudy
clear
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
clear
some clouds
cloudy
some clouds
cloudy
light rain
 km/h
30
N
15
NE
10
NNE
15
NNW
10
NNE
10
ENE
5
SSW
10
SSE
10
SW
15
WSW
15
WSW
20
N
20
NNW
20
NNW
30
N
25
N
15
NNE
20
NNE
25
N
15
NNE
10
N
25
NW
15
NNW
15
NNW
20
NW
25
NW
25
NW
35
NW
35
NW
20
NNW
30
NW
30
NNW
15
NNE
15
NW
5
WNW
5
NW
 mm 
2
max°C
3
4
6
8
7
9
10
12
14
15
15
12
12
10
6
6
6
7
7
6
8
8
9
11
11
11
10
10
9
8
9
9
9
10
11
11
Moonrise
11:44
12:13
12:43
1:19
2:01
2:53
3:55
5:05
6:19
7:31
8:39
Moonset
11:13
12:15
1:20
2:28
3:40
4:55
6:08
7:14
8:11
8:57
9:35
10:06
Sunrise
7:20
7:20
7:20
7:22
7:22
7:22
7:22
7:22
7:22
7:22
7:22
7:22
Sunset
5:21
5:21
5:22
5:22
5:22
5:23
5:24
5:24
5:25
5:27
5:28
5:29
Today's sea temperature in Io Sima (Nagasaki) is
18.9° C
(Statistics for 26 Dec 1981-2005 – mean: 19.7 max: 20.8 min: 18.5°C)
Issued (local time): 2 pm Friday 26 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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