Nonopapa, Niihau Island Sea Conditions and Tide Table

Nonopapa, Niihau Island 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 06:00 PM.

Days 1–4 Weather Summary

Moderate rain (total 15mm), heaviest on Thu night. Warm air temperatures (max 24°C on Thu night, min 23°C on Sun morning). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 9mm), mostly falling on Mon night. Warm air temperatures (max 24°C on Sun night, min 23°C on Tue night). Mainly fresh winds.

Days 8–10 Weather Summary

Mostly dry. Warm (max 24°C on Thu night, min 23°C on Wed night). Winds decreasing (fresh winds from the ESE on Thu morning, light winds from the S by Sat afternoon).

Days 11–13 Weather Summary

Mostly dry. Warm (max 24°C on Sat night, min 23°C on Sat night). Winds increasing (light winds from the ESE on Sat night, fresh winds from the ESE by Tue night).

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
3:39AM0.51m
3:11PM0.12m
4:12AM0.51m
3:49PM0.12m
4:47AM0.51m
4:29PM0.12m
5:23AM0.51m
5:17PM0.12m
6:00AM0.49m
6:16PM0.13m
6:37AM0.47m
7:29PM0.15m
7:16AM0.43m
8:53PM0.20m
7:57AM0.38m
10:13PM0.26m
8:43AM0.32m
11:17PM0.34m
9:37AM0.26m
00:11AM0.42m
10:44AM0.20m
00:59AM0.49m
11:57AM0.16m
Low Tide
8:02PM-0.02m
11:14AM0.05m
8:35PM-0.03m
11:49AM0.05m
9:09PM-0.03m
12:26PM0.04m
9:44PM-0.02m
1:05PM0.04m
10:22PM-0.00m
1:42PM0.04m
11:04PM0.03m
2:19PM0.03m
11:57PM0.08m
2:54PM0.02m
1:13AM0.13m
3:28PM0.00m
3:02AM0.18m
4:02PM-0.01m
5:12AM0.19m
4:40PM-0.03m
7:03AM0.15m
5:20PM-0.05m
8:21AM0.10m
Wave
height (m) 
direction
period (s) 
1.8
N
12
1.6
N
11
1.6
N
11
1.5
N
11
1.6
N
12
1.6
N
13
1.6
N
12
1.5
N
12
1.4
NNW
12
1.7
NNE
9
1.8
NNE
9
1.6
NNE
9
1.4
NE
9
1.9
E
7
1.9
E
7
1.8
NE
9
1.8
NE
8
1.7
ENE
8
1.7
NNE
11
1.5
NNE
10
1.3
NNE
10
1.4
NNE
13
1.4
NNE
12
1.4
N
12
1.2
NNW
11
1.3
NNW
10
1.3
N
14
1.3
NNW
13
1.3
NNW
12
1.2
NNW
11
1.3
NNW
11
1.6
NNW
11
1.7
N
16
2
N
14
2
N
14
1.9
N
13
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
light rain
thunderstorm
cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
part cloud
risk tstorm
risk tstorm
risk tstorm
some clouds
some clouds
some clouds
light rain
risk tstorm
cloudy
some clouds
some clouds
risk tstorm
risk tstorm
risk tstorm
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
cloudy
some clouds
 km/h
15
S
15
S
5
WSW
0
ESE
10
E
15
NE
20
E
10
E
10
NE
25
E
30
ESE
25
E
20
ESE
35
E
30
E
30
ESE
30
E
25
E
25
E
25
ESE
20
ESE
15
SE
15
SSE
15
S
15
S
15
S
5
S
10
ESE
10
E
15
NE
15
NE
20
E
15
E
20
E
25
E
30
ESE
 mm 
8
1
1
2
3
1
7
1
max°C
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
23
24
23
23
23
24
24
24
24
23
24
24
23
24
24
23
24
24
24
24
Moonrise
7:10
8:01
8:49
9:33
10:13
10:50
11:24
11:58
12:32
1:09
1:50
2:37
Moonset
5:52
6:47
7:43
8:39
9:35
10:30
11:25
12:21
1:18
2:19
3:24
Sunrise
7:13
7:13
7:13
7:15
7:15
7:16
7:16
7:16
7:16
7:18
7:18
7:18
Sunset
6:00
6:01
6:01
6:01
6:02
6:02
6:04
6:05
6:05
6:06
6:06
6:07
6:07
Today's sea temperature in Nonopapa, Niihau Island is
26.0° C
(Statistics for 18 Dec 1981-2005 – mean: 25.1 max: 26.5 min: 24.4°C)
Issued (local time): 7 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest