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 11:42 PM.

Days 1–4 Weather Summary

Heavy rain (total 20mm), heaviest during Tue night. Low air temperatures (max 9°C on Tue afternoon, min 7°C on Thu night). Winds decreasing (fresh winds from the ESE on Wed morning, light winds from the SW by Wed night).

Days 5–7 Weather Summary

Mostly dry. Low air temperatures (max 9°C on Fri afternoon, min 7°C on Fri night). Winds decreasing (fresh winds from the SSW on Sat night, light winds from the SSW by Sun night).

Days 8–10 Weather Summary

Moderate rain (total 17mm), heaviest on Mon night. Very mild (max 11°C on Tue afternoon, min 7°C on Mon night). Winds decreasing (fresh winds from the ESE on Mon night, light winds from the SSW by Tue night).

Days 11–13 Weather Summary

Light rain (total 6mm), mostly falling on Thu afternoon. Very mild (max 10°C on Fri night, min 8°C on Thu night). Wind will be generally light.

Days 14–17 Weather Summary

Mostly dry. Very mild (max 10°C on Tue afternoon, min 7°C on Sun afternoon). Wind will be generally light.

Tue
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
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
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
3:44PM0.76m
1:57AM1.09m
5:16PM0.84m
2:18AM1.06m
6:40PM0.93m
2:31AM1.04m
7:55PM1.01m
9:03PM1.06m
10:00PM1.08m
10:40PM1.09m
11:04PM1.08m
11:18PM1.06m
11:29PM1.04m
11:37PM1.01m
11:42PM0.99m
9:00AM0.65m
11:46PM0.98m
10:53AM0.58m
11:49PM1.00m
12:43PM0.58m
Low Tide
7:38PM0.60m
9:20AM-0.20m
8:33PM0.79m
10:03AM-0.25m
9:31PM0.94m
10:42AM-0.26m
10:31PM1.04m
11:21AM-0.25m
11:30PM1.11m
11:58AM-0.23m
00:27AM1.15m
12:34PM-0.22m
1:35AM1.15m
1:10PM-0.20m
1:46PM-0.19m
2:20PM-0.16m
2:52PM-0.09m
5:32AM0.81m
3:23PM-0.00m
5:45AM0.65m
3:52PM0.13m
6:10AM0.46m
4:18PM0.29m
6:39AM0.25m
Wave
Height (m)
Direction
Period (s)
0.6
SE
3
0.4
ESE
3
0.5
NNE
4
0.6
E
3
0.3
NE
4
0.2
NNW
5
0.3
WSW
3
0.3
WSW
3
0.4
SW
3
0.4
W
5
0.5
WSW
4
0.6
SW
3
0.5
SW
3
0.8
SW
4
0.7
SW
4
0.7
WSW
4
0.4
WNW
7
0.4
WNW
6
0.4
W
4
0.6
SE
3
0.3
SW
3
0.3
WSW
3
0.3
SSW
2
0.3
SSW
2
0.4
SSW
2
0.2
SSW
3
0.3
SSW
3
0.3
SW
3
0.4
NW
8
0.6
WNW
7
0.7
NW
7
0.5
NW
6
0.4
NW
6
0.4
NW
5
0.4
NW
5
0.6
NW
7
0.7
NW
7
0.5
NW
6
0.6
NW
6
0.5
NW
6
0.4
NNW
6
0.3
NW
6
0.3
NW
6
0.2
WNW
6
0.2
WNW
7
0.2
WNW
7
0.2
WNW
7
cloud
heavy rain
light rain
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
light rain
heavy rain
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
light rain
cloud
light rain
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
clear
clear
part cloud
cloudy
heavy rain
light rain
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
cloudy
cloudy
light rain
heavy rain
some clouds
some clouds
cloudy
cloudy
cloudy
light rain
light rain
light rain
cloudy
light rain
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
cloudy
clear
clear
some clouds
km/h
30
ESE
35
E
35
E
25
SE
10
SSW
15
SSW
25
SW
25
SW
20
S
20
S
25
SSW
25
SSW
30
SSW
35
SSW
35
SW
35
SW
15
SSW
15
SSW
20
SSE
25
SE
15
SSW
15
SSW
15
SSW
15
S
20
S
15
SSW
20
S
20
S
15
S
20
WNW
15
NW
5
NNE
5
ESE
10
WSW
5
SSW
15
SSW
0
SSW
5
E
10
E
10
ESE
10
ESE
10
E
5
E
5
NW
5
NNW
5
NW
5
N
 mm
16
4
2
11
3
1
5
1
max °C
9
9
8
8
8
8
9
8
9
9
8
8
8
7
7
8
8
9
9
9
10
11
9
9
9
8
9
9
9
9
9
10
9
9
9
8
8
8
9
9
9
9
10
10
9
10
10
Moonrise
5:59
7:16
8:32
9:45
10:50
11:43
12:22
12:50
1:09
1:23
1:35
1:44
1:53
2:03
2:14
Moonset
3:19
3:33
3:53
4:20
5:00
5:53
6:59
8:13
9:31
10:49
12:06
1:24
2:43
4:05
5:33
Sunrise
6:41
6:41
6:43
6:43
6:43
6:43
6:45
6:46
6:46
6:47
6:48
6:48
6:50
6:50
6:52
Sunset
11:42
11:42
11:42
11:42
11:42
11:42
11:42
11:40
11:40
11:40
11:39
11:39
11:38
11:37
11:37
11:37
Today's sea temperature in Chernofski Harbor, Unalaska Island is
5.5° C
(Statistics for 23 Jun 1981-2005 – mean: 7.5 max: 9.1 min: 6.2°C)
Issued (local time): 3 pm Tuesday 23 Jun 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest