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 09:36 PM.

Days 1–4 Weather Summary

Mostly dry. Icy conditions (max 4°C on Sat afternoon, min 0°C on Thu night). Mainly near gales.

Days 5–7 Weather Summary

Mostly dry. Low air temperatures (max 6°C on Tue afternoon, min 1°C on Sun afternoon). Winds decreasing (strong winds from the NNW on Sun afternoon, calm by Tue afternoon).

Days 8–10 Weather Summary

Light rain (total 6mm), mostly falling on Fri afternoon. Temperatures will be slightly above freezing (max 4°C on Thu afternoon, min 2°C on Wed afternoon). Mainly near gales.

Days 11–13 Weather Summary

Mostly dry. Freeze-thaw conditions (max 5°C on Sun night, min -1°C on Sat night). Winds decreasing (near gales from the NW on Sat night, light winds from the NW by Tue afternoon).

Thu
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
Tue
8
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
3:48PM0.97m
5:16AM0.89m
5:15PM0.90m
5:40AM0.94m
6:52PM0.87m
6:13AM1.00m
8:33PM0.91m
10:07PM0.98m
7:44AM1.11m
11:25PM1.07m
8:44AM1.13m
00:30AM1.13m
9:49AM1.14m
1:26AM1.16m
10:57AM1.13m
2:17AM1.16m
12:04PM1.10m
3:04AM1.13m
1:09PM1.04m
3:48AM1.08m
2:13PM0.95m
4:26AM1.01m
Low Tide
10:23PM0.12m
10:53AM0.34m
11:08PM0.30m
11:58AM0.12m
00:00AM0.48m
1:04PM-0.09m
1:02AM0.67m
2:09PM-0.25m
2:15AM0.81m
3:13PM-0.37m
3:35AM0.90m
4:16PM-0.43m
4:51AM0.92m
5:18PM-0.43m
5:59AM0.89m
6:17PM-0.39m
7:02AM0.83m
7:14PM-0.31m
8:01AM0.75m
8:07PM-0.20m
8:58AM0.66m
8:56PM-0.06m
9:54AM0.55m
Wave
height (m) 
direction
period (s) 
1.7
NNW
6
2.1
N
7
2.5
N
8
2.5
N
8
2.5
N
8
1.9
N
7
1.6
N
7
1.5
NNW
6
1.9
NNW
7
2
NNW
8
1.9
NNW
7
1.5
NW
7
1.2
NW
7
0.8
NW
6
0.6
NW
7
0.6
WNW
8
1
NW
7
1.5
WNW
7
2.1
NW
7
3
NW
12
2.5
WNW
11
2.4
WNW
11
1.8
NW
10
1.4
WNW
9
1.8
W
7
2
WSW
7
2.1
WNW
13
2.2
WNW
13
3
NW
8
5
NW
12
4
NW
12
2.2
NW
10
3
WNW
11
3
WNW
11
2.5
WNW
11
1.6
WNW
10
cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
light rain
rain showers
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
clear
clear
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
light rain
rain shwrs
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
 km/h
40
N
45
N
50
NNW
50
NNW
50
NNW
40
NNW
40
NW
35
NW
40
NW
50
NNW
40
NNW
40
NNW
35
NNW
15
NNW
10
N
0
SSW
15
NNW
35
NW
45
WNW
40
NW
40
NW
35
W
20
W
45
SW
60
SSW
60
SW
50
SW
40
WSW
55
NW
55
NW
40
WNW
20
SW
45
W
45
W
30
NNW
25
NNW
 mm 
3
3
max°C
1
0
1
1
3
2
4
4
1
2
3
3
3
3
4
6
5
2
3
2
2
4
3
3
3
4
2
3
2
1
2
5
4
3
0
0
Moonrise
8:32
8:42
8:52
9:04
9:19
9:40
10:13
11:02
12:10
1:30
2:54
4:15
5:33
Moonset
7:42
9:15
10:50
12:28
2:07
3:42
5:02
6:01
6:39
7:03
7:19
7:30
Sunrise
8:52
8:51
8:48
8:45
8:44
8:41
8:38
8:36
8:33
8:32
8:29
8:26
Sunset
9:36
9:37
9:38
9:40
9:43
9:45
9:45
9:47
9:50
9:52
9:53
9:55
Today's sea temperature in Chernofski Harbor, Unalaska Island is 4.5 °C (Statistics for 27 Mar 1981-2005 – mean: 3.9 max: 4.9 min: 3.1°C)
Issued (local time): 3 pm Thursday 27 Mar 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest