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 04:52 AM and sunset is at 06:27 PM.

Days 1–3 Weather Summary

Heavy rain (total 124mm), heaviest during Sat morning. Warm air temperatures (max 29°C on Sun afternoon, min 26°C on Mon night). Mainly strong winds.

Days 4–6 Weather Summary

Heavy rain (total 58mm), heaviest during Tue morning. Warm air temperatures (max 28°C on Tue night, min 26°C on Tue morning). Mainly strong winds.

Days 7–9 Weather Summary

Heavy rain (total 138mm), heaviest during Sat night. Warm (max 28°C on Fri morning, min 27°C on Fri night). Mainly near gales.

Days 10–12 Weather Summary

Heavy rain (total 23mm), heaviest during Mon afternoon. Warm (max 28°C on Mon morning, min 27°C on Mon morning). Mainly strong winds.

Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
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
6:45AM1.03m
8:51PM1.10m
7:29AM1.02m
9:21PM1.10m
8:14AM1.00m
9:51PM1.08m
9:01AM0.96m
10:21PM1.07m
9:54AM0.91m
10:52PM1.05m
10:57AM0.85m
11:26PM1.03m
12:20PM0.81m
00:04AM1.01m
2:18PM0.80m
00:50AM1.00m
4:19PM0.85m
1:46AM0.99m
5:31PM0.93m
2:50AM0.99m
6:16PM1.00m
6:51PM1.05m
Low Tide
1:45PM0.14m
2:21AM0.68m
2:21PM0.18m
3:00AM0.64m
2:56PM0.24m
3:42AM0.61m
3:32PM0.32m
4:28AM0.57m
4:07PM0.42m
5:19AM0.54m
4:45PM0.52m
6:20AM0.50m
5:27PM0.63m
7:28AM0.46m
6:26PM0.72m
8:40AM0.40m
8:02PM0.80m
9:44AM0.34m
9:49PM0.83m
10:37AM0.27m
11:05PM0.82m
11:24AM0.22m
11:58PM0.79m
Wave
height (m) 
direction
period (s) 
2.2
S
7.0
2.1
SW
7.0
1.9
WSW
6.0
1.8
WSW
6.0
1.8
SSW
7.0
2
S
8.0
2.5
SW
8.0
2.5
SSW
7.0
2.2
SSE
8.0
2.3
SE
8.0
2.5
SE
8.0
2.5
SSE
8.0
2.3
SSE
8.0
2.3
SE
8.0
2.3
ESE
8.0
2.3
ESE
8.0
2.3
ESE
8.0
2.2
ESE
8.0
2.3
ESE
9.0
2.4
SE
9.0
3
SE
8.0
3
SSE
9.0
3
SSE
10.0
4
SSW
11.0
4.5
SW
12.0
4.5
SW
12.0
4
SW
12.0
4
SW
12.0
3.5
SW
12.0
3.5
SW
12.0
3
SW
11.0
3
SW
11.0
2.5
SW
10.0
2.3
SSW
9.0
2.2
S
9.0
2.1
SSE
9.0
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
rain showers
mod rain
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
mod rain
thunderstorm
thunderstorm
clear
clear
clear
clear
risk tstorm
mod rain
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
some clouds
risk tstorm
some clouds
risk tstorm
risk tstorm
risk tstorm
rain shwrs
mod rain
risk tstorm
mod rain
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
mod rain
mod rain
risk tstorm
risk tstorm
clear
clear
clear
clear
 km/h
35
SW
35
WSW
35
W
30
W
30
WSW
35
SSW
40
S
40
S
35
SSW
40
S
45
SSE
40
SE
40
SE
35
SE
40
ESE
40
ESE
40
ESE
35
ESE
40
ESE
35
ESE
45
SE
45
SE
45
SE
55
SSE
50
SSE
45
SSE
40
SSE
40
SE
35
SSE
35
SE
35
SE
40
SE
40
ESE
40
ESE
35
ESE
35
ESE
 mm 
19
9
10
4
4
11
11
16
40
23
20
6
1
3
2
3
1
1
7
11
7
37
27
35
12
3
8
8
2
2
max°C
27
28
28
28
29
28
28
27
27
27
27
28
28
28
28
28
28
28
28
28
28
27
27
27
27
27
28
28
27
28
28
28
28
28
28
28
Moonrise
7:45
8:24
8:59
9:33
10:07
10:41
11:19
12:01
12:50
1:46
2:49
Moonset
5:48
6:49
7:49
8:49
9:48
10:48
11:49
12:54
2:01
3:10
4:16
5:17
Sunrise
4:52
4:52
4:52
4:54
4:54
4:54
4:54
4:56
4:56
4:56
4:56
4:58
Sunset
6:27
6:27
6:27
6:25
6:25
6:25
6:25
6:24
6:24
6:24
6:23
6:23
Today's sea temperature in Nisi (Io Sima) is 30.0 °C (Statistics for 12 Jul 1981-2005 – mean: 29.0 max: 30.3 min: 27.3°C)
Issued (local time): 2 am Saturday 12 Jul 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest