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 04:45 PM.

Days 1–4 Weather Summary

Heavy rain (total 31mm), heaviest during Sat night. Warm air temperatures (max 25°C on Sun night, min 20°C on Sat night). Mainly strong winds.

Days 5–7 Weather Summary

Mostly dry. Warm air temperatures (max 24°C on Mon afternoon, min 22°C on Mon night). Mainly fresh winds.

Days 8–10 Weather Summary

Some drizzle, heaviest during Sat morning. Warm (max 24°C on Sun morning, min 21°C on Thu night). Winds increasing (moderate winds from the NNE on Thu night, strong winds from the ENE by Sat morning).

Days 11–13 Weather Summary

Heavy rain (total 42mm), heaviest during Mon morning. Warm (max 25°C on Sun afternoon, min 21°C on Mon night). Mainly strong winds.

Fri
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wed
17
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
5:42PM0.93m
8:03AM0.94m
6:17PM0.93m
8:44AM0.94m
6:53PM0.91m
9:25AM0.93m
7:32PM0.87m
10:07AM0.92m
8:15PM0.82m
10:49AM0.90m
9:06PM0.77m
11:33AM0.88m
10:11PM0.70m
12:18PM0.87m
11:41PM0.65m
1:03PM0.86m
1:30AM0.64m
1:47PM0.85m
3:13AM0.67m
2:31PM0.86m
4:31AM0.73m
3:13PM0.87m
5:30AM0.79m
Low Tide
12:31PM0.59m
00:52AM-0.02m
1:12PM0.61m
1:29AM-0.02m
1:54PM0.62m
2:06AM-0.01m
2:39PM0.62m
2:45AM0.03m
3:29PM0.61m
3:26AM0.10m
4:26PM0.59m
4:10AM0.17m
5:33PM0.55m
4:58AM0.26m
6:46PM0.50m
7:56PM0.42m
7:00AM0.43m
8:54PM0.33m
8:13AM0.49m
9:44PM0.23m
9:23AM0.54m
10:28PM0.15m
10:25AM0.57m
Wave
height (m) 
direction
period (s) 
2.3
NNW
9
2.4
NNE
7
2.5
NE
7
3
ENE
7
2.5
E
8
2.3
E
8
2.1
E
8
2.1
NE
8
2.5
ENE
8
2.5
E
9
2
E
9
1.7
E
9
1.7
E
8
1.8
ENE
7
1.9
E
10
1.9
E
9
2.2
ENE
11
2
E
11
1.9
E
11
1.7
ENE
10
2.1
NE
7
2.4
NNE
7
2.5
NE
8
3
NE
8
3
NE
8
3
NE
10
2.5
NE
10
2.4
NE
10
2.2
E
8
1.9
ESE
8
2.5
NNE
7
3
NNW
9
3
NW
9
2.5
NNE
9
2.5
ENE
8
3
ENE
8
light rain
light rain
light rain
mod rain
heavy rain
cloud
part cloud
part cloud
rain showers
cloud
clear
clear
clear
part cloud
clear
clear
cloud
cloud
part cloud
part cloud
clear
clear
clear
rain showers
part cloud
part cloud
part cloud
cloud
mod rain
heavy rain
light rain
part cloud
clear
clear
cloud
part cloud
light rain
light rain
light rain
mod rain
heavy rain
cloudy
some clouds
some clouds
rain shwrs
cloudy
clear
clear
clear
some clouds
clear
clear
cloudy
cloudy
some clouds
some clouds
clear
clear
clear
rain shwrs
some clouds
some clouds
some clouds
cloudy
mod rain
heavy rain
light rain
some clouds
clear
clear
cloudy
some clouds
 km/h
40
NE
45
NE
45
ENE
50
NE
45
NNE
35
NNE
35
NNE
40
ENE
45
ENE
40
ENE
35
ENE
35
NE
35
NE
35
NE
35
NE
35
NE
30
ENE
25
ENE
30
NE
25
NNE
40
NNE
45
NE
40
ENE
50
ENE
50
ENE
40
ESE
40
ESE
35
SE
35
SSE
30
N
45
NNE
45
NNE
45
NE
45
NE
40
ENE
45
E
 mm 
2
3
2
6
17
1
1
9
32
1
max°C
22
22
22
21
22
23
24
25
24
24
23
22
23
23
23
24
23
23
23
23
22
23
23
21
21
23
24
25
25
22
22
21
22
22
22
23
Moonrise
4:49
5:57
7:06
8:15
9:19
10:18
11:13
12:06
12:58
1:50
2:42
3:36
Moonset
7:21
8:24
9:18
10:04
10:42
11:16
11:47
12:16
12:45
1:16
1:50
2:27
Sunrise
6:05
6:05
6:05
6:07
6:07
6:07
6:09
6:09
6:09
6:09
6:11
6:11
Sunset
4:45
4:45
4:45
4:45
4:45
4:45
4:45
4:45
4:46
4:46
4:46
4:47
Today's sea temperature in Nisi (Io Sima) is
27.7° C
(Statistics for 05 Dec 1981-2005 – mean: 25.4 max: 27.1 min: 24.0°C)
Issued (local time): 2 pm Friday 05 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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