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 09:19 AM and sunset is at 09:16 PM.

Days 1–3 Weather Summary

A dusting of new snow. Icy conditions (max 2°C on Tue afternoon, min -9°C on Thu night). Winds increasing (light winds from the WSW on Tue morning, near gales from the N by Thu night).

Days 4–6 Weather Summary

A dusting of new snow. Air temperatures will be below freezing (max -2°C on Sun night, min -8°C on Fri morning). Winds decreasing (strong winds from the NNW on Fri night, light winds from the NNW by Sun night).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 2°C on Tue afternoon, min -2°C on Mon morning). Winds increasing (calm on Mon night, strong winds from the NW by Tue night).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 1°C on Sat night, min -4°C on Thu night). Winds increasing (light winds from the ENE on Thu morning, strong winds from the N by Thu night).

Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wed
1
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
4:19PM0.91m
6:05AM0.84m
5:37PM0.85m
6:19AM0.87m
7:10PM0.82m
8:51PM0.84m
7:12AM1.00m
10:28PM0.91m
7:53AM1.07m
11:49PM0.99m
8:45AM1.13m
00:54AM1.05m
9:44AM1.18m
1:48AM1.09m
10:48AM1.20m
2:36AM1.09m
11:53AM1.19m
3:19AM1.07m
12:59PM1.15m
3:59AM1.04m
2:05PM1.07m
4:35AM1.00m
3:15PM0.97m
5:08AM0.96m
4:32PM0.87m
5:37AM0.92m
Low Tide
10:33AM0.64m
11:04PM0.22m
11:29AM0.48m
11:40PM0.36m
12:28PM0.30m
00:22AM0.52m
1:27PM0.12m
1:13AM0.69m
2:28PM-0.05m
2:14AM0.83m
3:29PM-0.19m
3:23AM0.93m
4:29PM-0.29m
4:32AM0.98m
5:28PM-0.34m
5:36AM0.98m
6:26PM-0.35m
6:37AM0.93m
7:21PM-0.32m
7:37AM0.85m
8:14PM-0.24m
8:38AM0.74m
9:04PM-0.12m
9:40AM0.62m
9:53PM0.03m
10:41AM0.48m
10:41PM0.20m
11:40AM0.34m
Wave
height (m) 
direction
period (s) 
0.9
NNW
5
0.9
NNW
5
1.3
N
5
1.2
NNW
6
1.1
NW
7
1.1
NNW
5
1.2
NW
6
1.3
NW
6
3
NNW
8
3
NNW
8
2.5
NNW
8
2.5
NNW
8
2.5
NNW
8
2.1
NNW
8
1.7
NNW
6
1.4
NNW
6
0.9
NNW
6
0.6
NNW
5
0.4
NNW
4
0.3
NNW
4
0.3
NW
6
0.3
WNW
14
0.9
NW
4
2.1
NW
7
2
NNW
7
1.4
NNW
7
0.8
NNW
6
0.5
NW
5
0.5
N
5
1.3
N
5
1.6
N
6
1.4
N
6
1
N
6
0.8
N
5
0.7
NNW
5
0.7
NNW
5
0.9
NNW
4
0.9
NNW
5
1
NNW
5
0.6
NNW
5
0.6
NNW
4
0.6
NNW
5
0.6
NNW
4
0.8
NW
5
1.1
NW
5
1.6
NNW
6
1.3
NNW
6
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
light snow
light snow
cloud
cloud
light snow
cloud
part cloud
clear
clear
clear
part cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
cloudy
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
light snow
light snow
cloudy
cloudy
light snow
cloudy
some clouds
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
some clouds
cloudy
some clouds
cloudy
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
 km/h
20
NW
30
NNW
35
N
30
N
30
NNW
30
NW
30
NNW
25
NW
50
N
50
NNW
50
NNW
45
NNW
50
N
40
N
35
N
35
N
25
NNW
15
NNW
10
NNW
5
WSW
5
NNE
15
NW
35
NNW
45
NW
40
NW
30
NNW
10
E
15
E
10
NNW
40
N
40
N
35
N
30
NNW
25
NNW
25
NNW
25
NNW
30
NW
30
NW
25
NNW
20
NNW
20
NNW
15
NW
15
WNW
25
NW
25
N
40
N
35
N
 mm 
max°C
-2
2
-3
-3
-2
-1
-1
-1
-3
-8
-7
-5
-5
-5
-5
-4
-3
-2
-2
-1
0
1
2
2
2
1
0
0
0
-2
-3
-2
-1
0
0
1
1
1
0
0
0
0
0
2
1
-4
-4
Moonrise
8:57
9:07
9:17
9:28
9:42
10:02
10:31
11:16
12:22
1:43
3:12
4:40
6:05
7:26
8:45
Moonset
8:08
9:33
11:01
12:32
2:07
3:40
5:05
6:10
6:55
7:23
7:42
7:56
8:06
8:15
8:23
Sunrise
9:19
9:17
9:15
9:12
9:10
9:07
9:04
9:03
9:00
8:57
8:56
8:52
8:51
8:48
8:45
8:44
Sunset
9:16
9:19
9:21
9:22
9:24
9:25
9:28
9:30
9:31
9:34
9:36
9:37
9:38
9:40
9:43
9:45
Today's sea temperature in Chernofski Harbor, Unalaska Island is
3.3° C
(Statistics for 17 Mar 1981-2005 – mean: 3.9 max: 4.8 min: 3.2°C)
Issued (local time): 3 am Tuesday 17 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest