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 10:34 PM.

Days 1–4 Weather Summary

Moderate rain (total 12mm), heaviest on Wed morning. Low air temperatures (max 5°C on Wed afternoon, min 2°C on Wed morning). Winds increasing (light winds from the ESE on Wed night, strong winds from the SSW by Fri morning).

Days 5–7 Weather Summary

Light rain (total 3mm), mostly falling on Fri night. Low air temperatures (max 5°C on Sat afternoon, min 2°C on Sun morning). Winds decreasing (fresh winds from the SE on Fri night, light winds from the NE by Sun night).

Days 8–10 Weather Summary

Mostly dry. Mild temperatures (max 5°C on Wed night, min 3°C on Mon night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Mild temperatures (max 5°C on Thu night, min 2°C on Fri night). Winds increasing (calm on Thu night, fresh winds from the N by Fri afternoon).

Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thu
14
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
AM
Wave Height Map
High Tide
4:26AM0.92m
7:13PM0.78m
8:43PM0.87m
9:55PM0.96m
10:47PM1.03m
11:29PM1.09m
00:05AM1.11m
00:40AM1.12m
1:11AM1.10m
1:40AM1.07m
9:26AM0.80m
2:02AM1.02m
10:39AM0.75m
2:15AM0.97m
11:54AM0.70m
2:22AM0.93m
1:13PM0.65m
2:25AM0.92m
2:40PM0.63m
2:31AM0.96m
Low Tide
10:11PM0.50m
11:32AM-0.02m
11:08PM0.68m
12:15PM-0.10m
00:24AM0.83m
12:54PM-0.14m
2:14AM0.92m
1:33PM-0.16m
2:13PM-0.16m
2:55PM-0.16m
3:38PM-0.16m
4:21PM-0.15m
5:01PM-0.13m
7:14AM0.85m
5:38PM-0.09m
7:30AM0.77m
6:11PM-0.03m
7:50AM0.64m
6:41PM0.07m
8:14AM0.48m
7:09PM0.20m
8:44AM0.29m
7:36PM0.36m
9:21AM0.08m
Wave
height (m) 
direction
period (s) 
1.1
WNW
9
0.9
WNW
9
0.8
WNW
8
0.6
WNW
8
0.5
NW
7
0.5
NW
7
0.4
NW
7
0.9
SW
4
0.9
SSW
4
0.4
NE
4
0.9
NW
4
0.8
NW
9
1.4
NW
8
1.3
NW
8
1.2
NW
8
0.9
NW
7
0.6
NW
7
0.6
NW
6
0.4
NW
8
0.4
NW
7
0.4
NW
7
0.5
NW
7
0.4
NW
6
0.4
NW
7
0.5
NW
7
0.5
N
5
0.5
N
6
0.5
N
6
0.6
N
6
0.7
NNW
6
1.2
NNW
7
1.2
N
7
1
N
7
0.9
N
6
0.6
N
6
0.5
N
6
0.6
N
5
0.6
N
5
1
N
5
1.3
N
5
1.5
N
6
1.7
NNW
6
1.8
NW
7
1.9
NW
7
1.8
NW
7
1.4
NW
6
0.9
NNW
6
part cloud
light rain
light rain
cloud
cloud
light rain
light rain
clear
clear
light rain
cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
cloud
light snow
cloud
light rain
cloud
cloud
some clouds
light rain
light rain
cloudy
cloudy
light rain
light rain
clear
clear
light rain
cloudy
some clouds
some clouds
some clouds
clear
some clouds
cloudy
cloudy
some clouds
cloudy
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
clear
clear
some clouds
some clouds
some clouds
clear
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
light snow
cloudy
light rain
cloudy
cloudy
 km/h
30
SW
35
ESE
15
SE
10
SSE
15
ESE
20
ESE
15
S
45
SSW
35
S
20
NE
30
NW
25
NNW
30
NW
25
NNW
20
NNW
5
NE
20
ESE
20
SE
10
E
10
NE
10
NE
5
NW
15
N
10
N
15
N
10
NNE
10
E
5
E
10
N
20
N
30
N
25
NNW
25
N
10
N
10
ENE
5
E
5
ENE
15
N
25
N
35
N
35
NNW
40
NNW
40
NW
40
NW
35
NW
30
NW
20
NW
 mm 
5
2
2
3
3
3
1
max°C
4
2
5
5
5
5
4
4
5
4
4
5
3
3
3
2
3
3
4
4
4
4
4
4
5
5
5
5
5
5
4
3
3
3
3
4
4
4
5
4
3
3
2
2
3
3
3
Moonrise
9:05
10:22
11:39
12:55
2:04
3:03
3:47
4:19
4:41
4:57
5:10
5:20
5:30
5:40
5:51
Moonset
6:42
6:52
7:04
7:21
7:45
8:19
9:07
10:08
11:19
12:37
1:56
3:15
4:36
5:59
7:26
Sunrise
7:39
7:37
7:35
7:33
7:31
7:30
7:28
7:26
7:24
7:22
7:20
7:18
7:16
7:15
7:13
7:11
Sunset
10:34
10:35
10:37
10:38
10:40
10:43
10:44
10:45
10:47
10:50
10:51
10:52
10:54
10:55
10:58
11:00
Today's sea temperature in Chernofski Harbor, Unalaska Island is
3.7° C
(Statistics for 28 Apr 1981-2005 – mean: 4.6 max: 5.2 min: 3.8°C)
Issued (local time): 9 pm Tuesday 28 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest