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 05:46 AM and sunset is at 05:42 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Sat morning. Warm air temperatures (max 20°C on Sat afternoon, min 17°C on Sat morning). Winds decreasing (gales from the WNW on Sat afternoon, moderate winds from the NE by Mon night).

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 19°C on Wed night, min 18°C on Tue morning). Mainly fresh winds.

Days 7–9 Weather Summary

Mostly dry. Warm (max 21°C on Sun afternoon, min 19°C on Fri morning). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 4mm), mostly falling on Mon morning. Warm (max 22°C on Wed afternoon, min 19°C on Mon morning). Winds decreasing (strong winds from the NE on Mon morning, calm by Tue night).

Saturday
14
Sunday
15
Monday
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
Sun
29
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
2:52PM0.71m
5:27AM0.86m
4:12PM0.76m
5:52AM0.90m
5:08PM0.83m
6:16AM0.92m
5:54PM0.88m
6:39AM0.94m
6:35PM0.92m
7:02AM0.95m
7:15PM0.94m
7:24AM0.96m
7:54PM0.93m
7:47AM0.95m
8:34PM0.91m
8:10AM0.94m
9:18PM0.86m
8:34AM0.92m
10:08PM0.81m
8:58AM0.89m
11:13PM0.75m
9:24AM0.84m
00:56AM0.72m
9:55AM0.78m
3:13AM0.75m
11:00AM0.72m
4:13AM0.80m
Low Tide
10:35AM0.62m
10:08PM0.20m
11:11AM0.54m
10:57PM0.17m
11:41AM0.45m
11:38PM0.16m
12:11PM0.37m
00:14AM0.16m
12:40PM0.29m
00:47AM0.19m
1:09PM0.22m
1:19AM0.23m
1:40PM0.17m
1:48AM0.29m
2:12PM0.14m
2:18AM0.37m
2:47PM0.13m
2:47AM0.44m
3:24PM0.14m
3:17AM0.52m
4:08PM0.17m
3:50AM0.60m
5:03PM0.22m
4:44AM0.67m
6:20PM0.26m
7:53AM0.70m
7:57PM0.28m
Wave
height (m) 
direction
period (s) 
4.5
WNW
8
7
NW
13
5
NNW
12
5
N
12
4.5
NE
14
4
NE
14
3.5
NE
15
3
NE
15
3
NE
14
2.5
NE
14
2.5
NE
14
2.5
NE
13
2.4
NE
13
2.4
NE
13
2.4
NE
14
2.4
NE
14
2.2
NE
14
2.1
NE
14
1.9
NE
13
1.7
NE
13
1.5
NE
13
1.4
NE
12
1.3
ENE
12
1.2
NE
12
1.2
ENE
12
1.2
ENE
12
1.1
NE
12
1.7
NE
8
1.8
NNE
6
2
NNE
9
1.7
NE
9
1.5
NE
9
1.3
NE
9
1.2
NE
9
1.2
ENE
9
1.4
NE
8
1.6
NNE
8
1.7
N
8
1.7
N
8
1.7
NNE
8
1.8
NE
8
1.7
ENE
9
1.6
E
9
1.5
E
9
1.4
E
10
1.4
E
10
1.4
E
10
light rain
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
part cloud
part cloud
clear
clear
clear
clear
rain showers
rain showers
part cloud
part cloud
part cloud
cloud
cloud
light rain
clear
clear
clear
clear
clear
light rain
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
cloudy
clear
clear
some clouds
cloudy
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain shwrs
some clouds
some clouds
clear
clear
clear
clear
rain shwrs
rain shwrs
some clouds
some clouds
some clouds
cloudy
cloudy
light rain
clear
clear
clear
clear
clear
 km/h
55
WNW
65
WNW
45
NNE
45
N
40
N
30
N
30
N
35
NNE
30
NE
25
NE
30
NE
25
NE
25
ENE
25
ENE
25
ENE
20
E
15
E
15
E
15
E
10
ENE
15
E
15
ESE
10
ENE
10
E
10
ESE
5
NNW
15
NNW
45
NE
30
ENE
25
ENE
15
SE
5
SSW
5
SW
15
SW
20
WSW
25
NNW
35
NNE
30
NE
25
ENE
25
E
25
E
20
ESE
15
ESE
15
ESE
15
E
15
E
15
ENE
 mm 
1
2
1
1
1
max°C
17
20
19
18
18
18
18
18
18
18
18
18
18
18
19
19
19
19
19
19
19
20
20
20
20
21
21
20
20
20
21
21
21
21
22
21
20
19
20
20
21
21
22
22
22
21
22
Moonrise
2:26
3:09
3:48
4:24
4:58
5:32
6:06
6:42
7:23
8:09
9:02
10:02
11:06
12:12
1:17
2:19
Moonset
1:04
2:03
3:02
4:00
4:59
5:59
7:01
8:05
9:12
10:21
11:28
12:32
1:28
2:17
2:59
Sunrise
5:46
5:45
5:43
5:41
5:41
5:39
5:39
5:37
5:37
5:35
5:35
5:33
5:33
5:31
5:31
5:30
Sunset
5:42
5:43
5:43
5:44
5:44
5:45
5:45
5:45
5:45
5:45
5:46
5:46
5:47
5:47
5:49
5:49
Today's sea temperature in Nisi (Io Sima) is
21.7° C
(Statistics for 14 Mar 1981-2005 – mean: 23.2 max: 25.0 min: 21.6°C)
Issued (local time): 2 am Saturday 14 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest