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 06:44 PM.

Days 1–4 Weather Summary

Heavy rain (total 20mm), heaviest during Thu night. Warm air temperatures (max 20°C on Thu night, min 9°C on Tue night). Winds increasing (calm on Wed morning, strong winds from the S by Thu afternoon).

Days 5–7 Weather Summary

Heavy rain (total 21mm), heaviest during Sun night. Cool air temperatures (max 19°C on Sun morning, min 14°C on Fri night). Winds increasing (light winds from the S on Sun morning, fresh winds from the SE by Sun night).

Days 8–10 Weather Summary

Heavy rain (total 28mm), heaviest during Mon night. Warm (max 20°C on Tue afternoon, min 15°C on Tue night). Wind will be generally light.

Days 11–13 Weather Summary

Moderate rain (total 14mm), heaviest on Fri afternoon. Warm (max 22°C on Sun afternoon, min 16°C on Thu night). Winds increasing (calm on Thu night, fresh winds from the NE by Sun afternoon).

Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thu
23
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
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
Wave Height Map
High Tide
11:41PM2.34m
10:55AM2.30m
00:40AM2.15m
11:36AM2.11m
2:07AM2.01m
12:47PM1.91m
3:57AM2.03m
3:02PM1.83m
5:11AM2.16m
4:51PM1.98m
5:56AM2.31m
5:55PM2.23m
6:31AM2.44m
6:42PM2.46m
7:02AM2.56m
7:23PM2.66m
7:30AM2.64m
8:01PM2.79m
7:58AM2.70m
8:37PM2.86m
8:26AM2.71m
9:13PM2.86m
8:54AM2.70m
9:50PM2.78m
9:23AM2.64m
10:29PM2.66m
9:53AM2.54m
11:12PM2.49m
Low Tide
5:17AM1.19m
5:45PM0.39m
6:07AM1.39m
6:45PM0.61m
7:36AM1.53m
8:16PM0.77m
9:58AM1.47m
10:02PM0.79m
11:17AM1.23m
11:17PM0.70m
12:03PM0.96m
00:10AM0.60m
12:38PM0.68m
00:52AM0.52m
1:11PM0.43m
1:29AM0.49m
1:42PM0.22m
2:03AM0.51m
2:14PM0.07m
2:36AM0.58m
2:46PM-0.03m
3:08AM0.69m
3:19PM-0.05m
3:40AM0.84m
3:53PM0.00m
4:14AM1.00m
4:30PM0.13m
4:51AM1.18m
Wave
height (m) 
direction
period (s) 
0.4
SSW
8
0.2
SSW
8
0.1
SW
7
0.4
SSW
4
0.8
SSW
5
2
S
6
2.3
SSW
8
1.7
SSW
8
1.2
SW
8
0.9
SW
8
0.8
SW
7
0.6
SW
7
0.4
SW
8
0.3
SW
7
0.3
SW
7
0.9
SSW
5
1.3
S
6
1
S
6
0.5
SW
6
0.4
SSW
6
0.5
W
5
0.3
SW
6
0.1
SW
6
0.1
SW
6
0.1
SW
6
0.2
SSW
6
0.2
SSW
6
0.3
SSW
4
0.2
S
17
0.2
S
17
0.2
SSW
17
0.3
SSW
17
0.3
SSW
17
0.4
SSW
17
0.3
SSW
16
0.4
SSW
16
0.2
S
14
0.2
WNW
4
0.6
NW
4
0.2
WNW
3
0.2
W
3
0.2
WSW
4
0.4
W
4
0.2
WSW
6
0.7
NW
4
0.2
WNW
3
0.1
W
4
clear
clear
clear
part cloud
cloud
cloud
heavy rain
light rain
rain showers
part cloud
part cloud
cloud
cloud
part cloud
cloud
heavy rain
light rain
light rain
heavy rain
part cloud
clear
part cloud
cloud
cloud
part cloud
light rain
mod rain
light rain
light rain
mod rain
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
clear
clear
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
heavy rain
light rain
rain shwrs
some clouds
some clouds
cloudy
cloudy
some clouds
cloudy
heavy rain
light rain
light rain
heavy rain
some clouds
clear
some clouds
cloudy
cloudy
some clouds
light rain
mod rain
light rain
light rain
mod rain
rain shwrs
some clouds
some clouds
some clouds
some clouds
some clouds
rain shwrs
clear
clear
some clouds
cloudy
some clouds
some clouds
clear
clear
clear
clear
 km/h
15
NNE
10
NE
5
SW
20
S
30
SE
45
S
45
S
25
SW
15
WNW
20
NW
20
NNW
15
NW
10
NE
10
ENE
10
SSW
25
SSE
30
SSE
15
SSW
10
W
15
NE
15
NNE
15
NE
10
ENE
5
WNW
5
ESE
10
E
5
ESE
5
NNE
10
NE
10
NNE
10
NE
5
NNE
5
NW
10
NE
15
NE
25
ENE
10
N
10
NNW
25
NW
10
NW
5
W
15
W
10
NNW
10
N
30
NW
10
N
0
NE
 mm 
13
5
2
16
3
2
15
4
9
1
2
7
3
1
max°C
11
12
13
15
17
18
20
19
16
15
16
16
16
19
19
18
17
18
18
19
20
16
19
19
20
18
17
17
17
17
16
19
20
20
21
22
17
19
20
17
19
19
17
19
19
16
17
Moonrise
11:50
12:42
1:28
2:09
2:46
3:18
3:48
4:16
4:45
5:16
5:51
6:31
7:19
8:16
9:22
10:31
Moonset
9:28
10:21
11:19
12:19
1:20
2:22
3:25
4:29
5:35
6:45
7:58
9:13
10:27
11:35
12:33
Sunrise
6:01
6:00
5:58
5:56
5:56
5:54
5:52
5:52
5:50
5:50
5:48
5:47
5:46
5:45
5:43
5:43
Sunset
6:44
6:45
6:45
6:45
6:46
6:47
6:47
6:49
6:50
6:50
6:51
6:52
6:52
6:52
6:53
6:54
Today's sea temperature in Io Sima (Nagasaki) is
17.8° C
(Statistics for 07 Apr 1981-2005 – mean: 18.6 max: 19.8 min: 16.8°C)
Issued (local time): 8 pm Tuesday 07 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest