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

Heavy rain (total 21mm), heaviest during Wed night. Later becoming colder with a dusting of snow on Fri afternoon. Icy conditions (max 6°C on Wed night, min -3°C on Fri night). Winds increasing (calm on Thu night, stormy winds from the N by Sat morning).

Days 5–7 Weather Summary

Mostly dry. Icy conditions (max 2°C on Mon night, min -1°C on Sat night). Winds decreasing (severe gales from the N on Sun afternoon, light winds from the N by Tue afternoon).

Days 8–10 Weather Summary

Light rain (total 2mm), mostly falling on Wed night. Mild temperatures (max 5°C on Wed night, min 2°C on Tue night). Winds increasing (calm on Tue night, near gales from the WNW by Thu night).

Days 11–13 Weather Summary

Light rain (total 2mm), mostly falling on Sun morning. Mild temperatures (max 6°C on Sat night, min 2°C on Fri night). Winds increasing (calm on Sun afternoon, fresh winds from the SSW by Mon night).

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Mon
5
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
11:10AM1.23m
8:03PM0.85m
11:13AM1.23m
10:05PM0.77m
11:18AM1.25m
11:59PM0.76m
11:29AM1.31m
1:48AM0.82m
11:48AM1.40m
3:36AM0.92m
12:16PM1.49m
12:53PM1.57m
1:36PM1.60m
7:37AM1.21m
2:29PM1.58m
7:55AM1.25m
3:29PM1.51m
8:27AM1.28m
4:37PM1.39m
9:01AM1.31m
5:54PM1.23m
Low Tide
2:41AM0.13m
5:21PM0.89m
3:13AM0.26m
5:37PM0.68m
3:42AM0.42m
6:06PM0.44m
6:42PM0.20m
7:23PM-0.02m
8:10PM-0.20m
8:57PM-0.31m
9:50PM-0.37m
7:48AM1.30m
10:45PM-0.38m
9:51AM1.32m
11:41PM-0.34m
11:42AM1.26m
00:35AM-0.26m
1:25PM1.13m
Wave
height (m) 
direction
period (s) 
0.9
ESE
4
0.6
SW
5
0.6
SW
5
0.4
N
7
0.5
NNE
9
5
NNW
10
6.5
N
12
7.5
N
13
7.5
N
13
7
N
12
6
N
12
5.5
N
11
5
NNE
11
5
NNE
11
4.5
NNE
11
3
NNE
10
1.7
NNE
10
1.4
NNE
9
1
NNE
8
0.8
NNE
7
0.6
NNE
7
0.6
NNE
6
0.4
NE
6
0.4
NNE
4
2.3
WNW
7
2
NW
7
2.1
NW
9
1.5
WNW
12
1.1
WNW
10
0.9
WNW
9
0.7
WNW
8
0.6
WNW
10
0.8
WNW
12
0.9
WNW
13
1.3
WNW
12
1.3
WNW
11
heavy rain
light rain
light rain
cloud
light rain
light snow
cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
light rain
cloud
rain showers
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
light rain
light rain
cloud
cloud
cloud
heavy rain
light rain
light rain
cloudy
light rain
light snow
cloudy
cloudy
cloudy
some clouds
clear
clear
clear
some clouds
some clouds
clear
clear
clear
clear
some clouds
cloudy
light rain
cloudy
rain shwrs
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
light rain
light rain
cloudy
cloudy
cloudy
 km/h
45
ESE
25
SSE
25
SSE
15
S
15
N
75
N
80
N
90
N
85
N
85
N
80
N
85
N
75
N
70
N
70
N
40
N
15
N
15
N
10
S
10
SSW
20
SSW
20
S
10
WSW
30
SW
55
WNW
40
NW
40
NW
15
SW
10
SW
5
SSW
15
SSW
5
SW
5
NNW
5
ESE
20
S
25
S
 mm 
15
3
1
2
1
1
1
1
max°C
6
6
6
6
6
0
-2
-2
-2
-1
-1
-1
0
0
0
2
2
2
3
3
3
5
4
4
3
3
3
3
4
4
6
6
5
6
6
6
Moonrise
1:23
1:32
1:41
1:52
2:06
2:26
2:56
3:45
4:57
6:26
8:00
Moonset
11:17
12:38
2:00
3:24
4:54
6:28
8:03
9:31
10:39
11:24
11:52
12:11
Sunrise
10:25
10:25
10:25
10:25
10:25
10:25
10:25
10:25
10:25
10:25
10:23
10:23
Sunset
5:54
5:55
5:57
5:58
5:59
6:00
6:00
6:01
6:02
6:04
6:06
6:07
Today's sea temperature in Chernofski Harbor, Unalaska Island is
5.5° C
(Statistics for 24 Dec 1981-2005 – mean: 4.8 max: 5.7 min: 3.9°C)
Issued (local time): 8 pm Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest