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 07:07 AM and sunset is at 06:00 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Wed morning. Cool air temperatures (max 12°C on Fri morning, min 9°C on Wed night). Winds decreasing (fresh winds from the NW on Wed morning, calm by Fri night).

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Sat night. Cool air temperatures (max 15°C on Sun afternoon, min 9°C on Mon night). Wind will be generally light.

Days 7–9 Weather Summary

Moderate rain (total 11mm), heaviest on Wed night. Very mild (max 13°C on Thu afternoon, min 6°C on Thu night). Winds increasing (calm on Wed morning, fresh winds from the WNW by Thu afternoon).

Days 10–12 Weather Summary

Light rain (total 4mm), mostly falling on Sun afternoon. Very mild (max 15°C on Sun morning, min 6°C on Fri morning). Winds increasing (calm on Sat night, strong winds from the WNW by Sun afternoon).

Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thu
26
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
PM
Wave Height Map
High Tide
1:51PM1.99m
5:02AM1.91m
3:26PM1.90m
6:24AM2.09m
5:07PM1.95m
7:12AM2.28m
6:18PM2.11m
7:48AM2.44m
7:10PM2.30m
8:19AM2.57m
7:54PM2.47m
8:48AM2.66m
8:33PM2.61m
9:15AM2.70m
9:10PM2.68m
9:42AM2.71m
9:47PM2.69m
10:09AM2.68m
10:24PM2.63m
10:36AM2.61m
11:03PM2.50m
11:04AM2.51m
11:46PM2.32m
11:33AM2.38m
00:38AM2.11m
12:06PM2.22m
1:51AM1.92m
Low Tide
8:09AM1.41m
9:25PM0.61m
10:17AM1.51m
10:57PM0.52m
12:01PM1.40m
00:07AM0.36m
12:57PM1.21m
00:59AM0.19m
1:37PM1.00m
1:41AM0.06m
2:11PM0.79m
2:19AM-0.02m
2:43PM0.60m
2:53AM-0.03m
3:13PM0.44m
3:26AM0.03m
3:44PM0.32m
3:58AM0.15m
4:16PM0.25m
4:30AM0.33m
4:50PM0.24m
5:02AM0.56m
5:26PM0.28m
5:35AM0.81m
6:08PM0.37m
6:13AM1.08m
7:01PM0.50m
7:05AM1.34m
Wave
height (m) 
direction
period (s) 
1.1
WNW
5
1.2
NW
5
0.8
WNW
5
0.7
WNW
4
0.7
WNW
4
0.3
WNW
3
0.2
WNW
3
0.2
WSW
4
0.1
W
4
0.1
SW
2
0.2
SSW
2
0.3
SSW
3
0.3
SSW
4
0.4
SW
5
0.4
WSW
4
0.3
SW
5
0.2
WNW
4
0.4
NW
3
0.2
NNW
3
0.4
NNW
3
0.2
N
2
0.1
W
5
0.1
W
5
0.2
W
3
0.7
W
4
1
W
5
1.4
WNW
6
1.3
WNW
6
0.8
WNW
5
0.4
NW
4
0.2
WSW
5
0.1
W
5
0.1
W
2
0.4
SW
3
1.3
SW
5
2
W
6
1.4
WNW
6
1
WNW
5
0.3
WSW
6
0.2
WSW
6
0.1
SW
5
0.1
NW
4
0.1
NE
2
0.1
W
3
0.1
N
2
0.3
ESE
2
1.4
S
5
rain showers
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
light rain
cloud
clear
clear
cloud
cloud
cloud
part cloud
clear
clear
part cloud
cloud
heavy rain
clear
clear
clear
part cloud
clear
part cloud
cloud
part cloud
clear
part cloud
thunderstorm
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
light rain
light rain
light rain
rain shwrs
some clouds
clear
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
light rain
cloudy
clear
clear
cloudy
cloudy
cloudy
some clouds
clear
clear
some clouds
cloudy
heavy rain
clear
clear
clear
some clouds
clear
some clouds
cloudy
some clouds
clear
some clouds
risk tstorm
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
light rain
light rain
light rain
 km/h
30
NNW
35
NW
20
NW
20
NW
20
NW
10
NNW
5
NW
10
WNW
5
WSW
10
S
15
SSE
10
E
10
ENE
15
NW
20
NNW
10
NNE
10
NNW
15
NNE
10
NNE
20
NNW
15
NE
5
ENE
10
WSW
10
W
25
WNW
30
WNW
35
NW
30
NNW
25
NW
10
NNE
5
NE
10
WNW
5
NW
20
SSW
40
SW
45
WNW
30
NW
30
NNW
15
NE
10
NE
5
N
15
NE
15
NE
5
NW
10
NNE
25
E
40
SE
 mm 
1
2
11
4
2
1
2
max°C
10
10
10
10
10
10
12
12
12
13
13
13
14
15
13
13
13
10
11
12
10
9
11
11
12
13
8
7
8
8
10
11
10
15
15
11
10
11
10
10
12
11
12
13
12
12
14
Moonrise
2:19
3:16
4:09
4:58
5:41
6:19
6:52
7:22
7:51
8:19
8:48
9:20
9:56
10:40
11:31
12:32
Moonset
12:07
12:54
1:47
2:46
3:47
4:50
5:54
6:57
8:00
9:04
10:10
11:19
12:29
1:40
2:48
Sunrise
7:07
7:07
7:05
7:05
7:03
7:03
7:01
7:01
7:00
6:58
6:58
6:56
6:56
6:54
6:54
6:52
Sunset
6:00
6:01
6:02
6:04
6:05
6:06
6:07
6:07
6:07
6:08
6:09
6:10
6:12
6:13
6:14
6:14
Today's sea temperature in Io Sima (Nagasaki) is
16.3° C
(Statistics for 11 Feb 1981-2005 – mean: 17.5 max: 18.6 min: 16.2°C)
Issued (local time): 2 am Wednesday 11 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest