Nisi (Io Sima) Sea Conditions and Tide Table

Nisi (Io Sima) 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 05:29 PM.

Days 1–4 Weather Summary

Light rain (total 2mm), mostly falling on Wed afternoon. Warm air temperatures (max 21°C on Tue morning, min 19°C on Wed night). Winds increasing (calm on Mon afternoon, fresh winds from the W by Wed afternoon).

Days 5–7 Weather Summary

Mostly dry. Cool air temperatures (max 19°C on Thu afternoon, min 17°C on Fri night). Mainly fresh winds.

Days 8–10 Weather Summary

Light rain (total 2mm), mostly falling on Mon night. Warm (max 22°C on Mon night, min 18°C on Sun afternoon). Mainly strong winds.

Days 11–13 Weather Summary

Moderate rain (total 11mm), heaviest on Thu night. Warm (max 22°C on Wed afternoon, min 17°C on Fri night). Mainly fresh winds.

Mon
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
1
Monday
2
Tuesday
3
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
night
Wave Height Map
High Tide
5:55PM0.85m
7:25AM0.93m
6:38PM0.88m
7:49AM0.94m
7:20PM0.89m
8:12AM0.94m
8:01PM0.88m
8:36AM0.93m
8:42PM0.86m
9:00AM0.92m
9:26PM0.81m
9:24AM0.90m
10:16PM0.75m
9:50AM0.87m
11:22PM0.69m
10:18AM0.84m
1:10AM0.65m
10:52AM0.80m
4:08AM0.69m
11:51AM0.75m
5:08AM0.76m
1:51PM0.72m
5:37AM0.82m
3:33PM0.74m
6:03AM0.87m
4:41PM0.79m
6:27AM0.90m
5:32PM0.84m
6:51AM0.93m
Low Tide
12:36PM0.47m
00:38AM0.03m
1:07PM0.40m
1:12AM0.05m
1:39PM0.34m
1:44AM0.09m
2:11PM0.29m
2:15AM0.15m
2:44PM0.25m
2:45AM0.23m
3:20PM0.22m
3:14AM0.32m
4:00PM0.21m
3:43AM0.41m
4:48PM0.22m
4:12AM0.51m
5:48PM0.23m
4:47AM0.60m
7:09PM0.24m
6:37AM0.68m
8:40PM0.22m
9:57AM0.67m
9:53PM0.17m
11:01AM0.60m
10:48PM0.13m
11:38AM0.53m
11:31PM0.10m
12:09PM0.46m
00:09AM0.09m
Wave
height (m) 
direction
period (s) 
1
E
11
1
E
11
1
E
11
1
E
11
1
E
11
1
E
11
1.3
NE
10
1.9
NNW
7
1.8
NW
7
1.9
NW
7
1.7
NNW
7
1.7
NNW
9
1.6
NNW
9
1.5
NNW
8
1.4
ENE
12
1.3
ENE
12
1.4
ENE
12
1.5
ENE
12
1.6
ENE
12
1.7
ENE
12
1.6
ENE
11
1.6
ENE
11
1.9
ENE
6
3
E
8
3
E
10
3
E
10
3
E
10
2.5
E
10
2.4
E
10
2.3
E
11
2.2
E
11
2.3
ENE
11
2.2
ENE
12
2.5
ENE
12
2.5
NE
12
3
ENE
15
2.5
ENE
14
2.3
NE
14
1.9
NE
14
1.8
NE
14
1.6
NE
13
1.5
ENE
13
2.2
NNW
7
2.3
NNW
9
2.1
NNW
9
1.8
NNW
8
1.3
N
8
clear
clear
clear
clear
clear
clear
rain showers
rain showers
part cloud
part cloud
clear
part cloud
cloud
cloud
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
rain showers
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
part cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
part cloud
rain showers
light rain
clear
clear
clear
cloud
part cloud
clear
clear
clear
clear
clear
clear
rain shwrs
rain shwrs
some clouds
some clouds
clear
some clouds
cloudy
cloudy
clear
clear
some clouds
clear
clear
some clouds
some clouds
clear
rain shwrs
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
risk tstorm
risk tstorm
some clouds
cloudy
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
rain shwrs
light rain
clear
clear
clear
cloudy
some clouds
 km/h
0
S
5
W
15
W
20
WNW
10
NW
15
WSW
30
WSW
35
WNW
35
N
30
N
25
NNE
20
ENE
15
NE
20
ENE
15
ENE
10
NNW
25
NNE
25
NNE
30
NE
30
NE
25
NE
30
ENE
35
E
45
ESE
40
ESE
40
ESE
35
ESE
30
ESE
30
SE
30
S
30
SSW
35
WSW
30
NNW
35
NNW
25
N
25
NE
30
NE
25
ENE
25
ENE
30
E
20
SE
35
W
40
NNW
25
NNE
25
NNE
20
NE
15
ENE
 mm 
1
1
2
2
9
1
2
max°C
20
20
21
21
21
21
21
21
19
19
18
19
19
18
19
19
19
18
18
19
20
20
22
22
22
22
22
22
22
22
22
22
20
19
18
17
18
18
18
19
21
21
19
18
18
19
19
Moonrise
5:52
6:27
7:01
7:34
8:08
8:44
9:25
10:13
11:07
12:08
1:13
2:20
3:25
4:28
5:27
Moonset
4:17
5:16
6:14
7:13
8:12
9:12
10:16
11:22
12:29
1:35
2:37
3:32
4:19
5:00
5:36
Sunrise
6:07
6:07
6:05
6:05
6:05
6:03
6:03
6:01
6:01
6:01
6:00
5:58
5:58
5:56
5:56
Sunset
5:29
5:29
5:30
5:30
5:30
5:31
5:31
5:32
5:32
5:34
5:34
5:35
5:36
5:36
5:37
5:37
Today's sea temperature in Nisi (Io Sima) is
23.4° C
(Statistics for 16 Feb 1981-2005 – mean: 22.8 max: 24.5 min: 21.2°C)
Issued (local time): 2 pm Monday 16 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest