Chernofski Harbor, Unalaska Island Sea Conditions and Tide Table

Chernofski Harbor, Unalaska 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 —.

Days 1–4 Weather Summary

Mostly dry. Icy conditions (max 3°C on Mon afternoon, min -2°C on Sat night). Winds decreasing (near gales from the N on Sat night, calm by Sun night).

Days 5–7 Weather Summary

Mostly dry. Icy conditions (max 3°C on Tue night, min 0°C on Wed afternoon). Mainly fresh winds.

Days 8–10 Weather Summary

Mostly dry. Temperatures will be slightly above freezing (max 4°C on Sat night, min 1°C on Fri night). Mainly strong winds.

Days 11–13 Weather Summary

Mostly dry. Temperatures will be slightly above freezing (max 4°C on Tue afternoon, min 2°C on Mon night). Winds decreasing (strong winds from the N on Mon night, light winds from the N by Wed afternoon).

Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thu
18
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
9:41AM1.36m
5:59PM1.34m
10:19AM1.39m
7:21PM1.21m
10:56AM1.40m
8:49PM1.08m
11:32AM1.39m
10:21PM0.96m
12:05PM1.37m
11:55PM0.88m
12:35PM1.32m
1:31AM0.86m
1:00PM1.27m
3:08AM0.90m
1:18PM1.23m
4:45AM0.98m
1:27PM1.20m
6:19AM1.09m
1:27PM1.19m
7:48AM1.18m
1:16PM1.22m
8:59AM1.26m
12:54PM1.25m
Low Tide
00:57AM-0.43m
1:37PM1.26m
1:54AM-0.35m
3:06PM1.12m
2:50AM-0.23m
4:22PM0.93m
3:43AM-0.07m
5:28PM0.71m
4:33AM0.12m
6:25PM0.50m
7:16PM0.31m
6:08AM0.57m
8:02PM0.16m
6:55AM0.79m
8:42PM0.06m
7:41AM0.98m
9:20PM0.00m
8:29AM1.15m
9:55PM-0.02m
9:25AM1.27m
10:29PM-0.03m
10:42AM1.35m
Wave
height (m) 
direction
period (s) 
3
NNE
9
3.5
NNE
11
2.5
N
11
2
N
10
2
N
9
1.7
N
9
1.6
N
9
1.3
N
8
1.4
N
7
1.5
N
6
1.5
N
6
1.8
NNE
7
1.6
NNE
8
1.5
NNE
8
1.2
NNE
8
1
NNE
8
0.9
NNE
7
1
N
4
1.1
N
5
2
NNE
6
2.1
NNE
7
2.5
NNE
7
2.1
NNE
8
2
NNE
8
2.1
NNE
8
2.1
N
7
2.4
NNE
7
2.5
NNE
7
1.9
NNE
8
1.6
NNE
8
1.3
NNE
8
0.9
NNE
7
0.7
NNE
7
0.8
NNW
9
0.8
NW
7
0.8
NW
8
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
some clouds
some clouds
clear
clear
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
some clouds
some clouds
 km/h
55
N
35
NNE
10
N
10
NE
25
NNE
20
NNE
35
N
35
N
35
N
35
N
35
N
35
N
25
NNE
20
N
25
N
25
NNW
20
N
30
N
35
N
50
N
35
NNE
50
N
35
NNE
30
NNE
40
N
45
N
45
N
45
N
30
NNW
25
NNW
25
NNW
15
NNW
15
N
20
NNW
25
NNW
25
NNW
 mm 
max°C
1
-2
-1
1
2
3
3
2
3
3
2
1
1
2
2
2
2
3
3
1
2
4
3
3
3
3
3
3
3
4
4
4
4
3
3
4
Moonrise
9:03
10:34
11:59
1:19
2:35
3:50
5:04
6:18
7:34
8:49
10:00
Moonset
1:30
1:52
2:07
2:18
2:27
2:36
2:44
2:53
3:05
3:21
3:43
4:15
Sunrise
10:11
10:11
10:12
10:14
10:15
10:15
10:17
10:18
10:18
10:19
10:21
10:21
Sunset
5:52
5:51
5:51
5:51
5:51
5:51
5:51
5:51
5:51
5:51
5:51
5:51
Today's sea temperature in Chernofski Harbor, Unalaska Island is
6.5° C
(Statistics for 06 Dec 1981-2005 – mean: 5.4 max: 6.0 min: 4.9°C)
Issued (local time): 8 pm Saturday 06 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest