Nikiski, Cook Inlet Sea Conditions and Tide Table

Nikiski, Cook Inlet 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 03:56 PM.

Days 1–4 Weather Summary

Mostly dry. Air temperatures will be well below freezing (max -7°C on Sun afternoon, min -10°C on Sat afternoon). Winds decreasing (gales from the NNE on Sat afternoon, calm by Mon night).

Days 5–7 Weather Summary

Mostly dry. Air temperatures will be well below freezing (max -7°C on Tue night, min -11°C on Fri morning). Winds increasing (light winds from the NE on Tue afternoon, fresh winds from the NE by Thu afternoon).

Days 8–10 Weather Summary

A dusting of new snow. Temperatures will be below freezing (max -2°C on Sun night, min -11°C on Fri night). Winds increasing (light winds from the E on Fri afternoon, gales from the NNE by Sun night).

Days 11–13 Weather Summary

Mostly dry. Temperatures will be below freezing (max -5°C on Mon afternoon, min -12°C on Wed morning). Winds decreasing (near gales from the NNE on Mon afternoon, moderate winds from the NE by Tue night).

Sat
6
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thu
18
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
4:54PM7.39m
6:15AM6.68m
5:46PM7.08m
7:08AM6.53m
6:42PM6.64m
8:02AM6.34m
7:44PM6.11m
8:59AM6.14m
8:52PM5.60m
9:56AM5.98m
10:06PM5.18m
10:54AM5.88m
11:21PM4.96m
11:50AM5.86m
00:33AM4.96m
12:41PM5.88m
1:36AM5.11m
1:26PM5.94m
2:28AM5.34m
2:06PM6.00m
3:13AM5.57m
2:42PM6.07m
3:53AM5.78m
Low Tide
11:58PM-1.40m
12:10PM1.32m
00:47AM-1.09m
1:02PM1.43m
1:36AM-0.61m
1:57PM1.59m
2:29AM-0.03m
2:58PM1.73m
3:24AM0.59m
4:06PM1.78m
4:24AM1.17m
5:18PM1.65m
5:27AM1.64m
6:27PM1.36m
6:28AM1.97m
7:26PM0.98m
7:24AM2.18m
8:16PM0.61m
8:13AM2.29m
8:58PM0.29m
8:57AM2.32m
9:37PM0.04m
9:37AM2.28m
Wave
height (m) 
direction
period (s) 
2.1
NNE
6
1.5
NE
5
0.9
NE
4
0.8
NE
4
1.1
NE
4
0.5
NE
3
0.3
NE
3
0
E
2
0
E
2
0
E
1
0.2
NNE
2
0.2
NNE
2
0.3
NE
2
0.3
NE
2
0.3
NE
2
0.8
NE
4
0.8
NE
4
0.4
NE
3
0.2
ENE
3
0
E
3
0.2
NNE
2
0.4
NE
3
0.3
NE
3
0.6
NE
3
1.3
NE
4
1.8
NE
5
2
NNE
6
1.7
NNE
5
1
NE
4
0.9
NNE
4
0.8
NE
4
0.6
NE
3
0.5
NE
3
0.4
NE
3
0.4
NE
3
0.6
NE
3
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
light snow
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
cloudy
some clouds
clear
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
some clouds
light snow
cloudy
cloudy
cloudy
some clouds
clear
clear
clear
clear
some clouds
 km/h
65
NNE
50
NE
35
NE
35
NE
40
NE
20
ENE
15
ENE
5
SE
10
E
10
NE
15
NNE
15
NE
20
NE
15
NE
20
NE
35
NE
35
NE
20
ENE
10
ENE
5
SE
20
NE
25
NE
20
NE
30
NE
45
NE
65
NNE
65
NNE
55
NNE
35
NNE
35
NNE
30
NE
25
NE
20
NE
25
NE
25
NE
30
NE
 mm 
max°C
-9
-9
-8
-7
-7
-8
-8
-9
-9
-8
-7
-8
-9
-9
-9
-8
-9
-10
-10
-9
-9
-9
-8
-5
-3
-2
-4
-5
-6
-8
-9
-10
-12
-11
-11
-10
Moonrise
4:54
6:53
8:45
10:26
12:00
1:28
2:53
4:19
5:47
7:19
8:55
10:29
Moonset
1:29
1:31
1:30
1:29
1:27
1:26
1:23
1:22
1:20
1:20
1:22
1:31
Sunrise
9:57
10:00
10:00
10:03
10:03
10:06
10:07
10:07
10:08
10:10
10:11
10:11
Sunset
3:56
3:55
3:53
3:53
3:52
3:52
3:52
3:52
3:52
3:51
3:51
3:52
Today's sea temperature in Nikiski, Cook Inlet is
4.2° C
(Statistics for 06 Dec 1981-2005 – mean: 5.4 max: 6.8 min: 4.2°C)
Issued (local time): 2 pm Saturday 06 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest