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 10:19 PM.

Days 1–4 Weather Summary

Heavy rain (total 27mm), heaviest during Tue morning. Low air temperatures (max 6°C on Mon night, min 3°C on Tue night). Winds increasing (moderate winds from the ESE on Mon night, gales from the S by Wed afternoon).

Days 5–7 Weather Summary

Moderate rain (total 15mm), heaviest on Sat afternoon. Low air temperatures (max 6°C on Sat afternoon, min 2°C on Fri morning). Winds increasing (calm on Fri night, near gales from the SSW by Sat night).

Days 8–10 Weather Summary

Light rain (total 7mm), mostly falling on Wed afternoon. Mild temperatures (max 5°C on Wed morning, min 3°C on Sun night). Winds increasing (calm on Mon night, gales from the SSE by Wed afternoon).

Days 11–13 Weather Summary

Heavy rain (total 34mm), heaviest during Wed night. Mild temperatures (max 6°C on Fri night, min 3°C on Thu night). Winds decreasing (near gales from the SSE on Wed night, moderate winds from the SSW by Thu night).

Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wed
6
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
11:43PM1.10m
8:10AM1.14m
00:31AM1.13m
9:25AM1.12m
1:15AM1.14m
10:41AM1.07m
1:55AM1.13m
11:57AM0.99m
2:33AM1.10m
1:14PM0.90m
3:08AM1.06m
2:36PM0.81m
3:39AM1.02m
4:03PM0.75m
4:05AM0.97m
5:36PM0.73m
4:26AM0.92m
7:13PM0.78m
8:43PM0.87m
9:55PM0.96m
10:47PM1.03m
11:29PM1.09m
00:05AM1.11m
Low Tide
3:28AM1.01m
4:04PM-0.48m
4:43AM0.96m
5:03PM-0.45m
5:51AM0.86m
6:00PM-0.38m
6:56AM0.73m
6:54PM-0.26m
7:58AM0.57m
7:44PM-0.10m
8:58AM0.40m
8:33PM0.09m
9:54AM0.23m
9:21PM0.30m
10:46AM0.09m
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
Wave
height (m) 
direction
period (s) 
0.8
WNW
10
1.2
SE
4
1
SE
4
1
S
4
1.1
S
4
1.6
SSW
5
1.4
SSW
5
1
SW
4
0.9
SW
4
0.6
WNW
8
0.6
WNW
9
0.6
WNW
9
0.6
WNW
8
0.8
NW
10
1.4
SE
4
1
SSW
4
1.3
SW
4
1.6
WSW
7
1.4
WSW
6
1.1
WNW
12
1
WNW
11
0.9
WNW
11
0.8
WNW
10
0.8
WNW
10
0.8
WNW
9
1.1
SSE
4
1.6
SE
4
1.1
S
4
0.8
WSW
5
1.2
WSW
6
0.9
WNW
12
0.8
WNW
7
0.7
W
6
0.8
S
4
0.7
WNW
9
0.4
WNW
8
0.4
WNW
7
0.4
NW
7
0.9
NW
4
0.9
WNW
7
0.7
NW
7
0.6
WNW
6
0.8
S
3
0.7
SE
4
0.4
ESE
3
0.4
WNW
10
0.7
WNW
10
light rain
mod rain
light rain
part cloud
light rain
light rain
rain showers
part cloud
part cloud
part cloud
light rain
part cloud
part cloud
cloud
heavy rain
rain showers
clear
clear
clear
part cloud
clear
part cloud
clear
clear
cloud
cloud
mod rain
rain showers
clear
cloud
cloud
light rain
mod rain
mod rain
light rain
light rain
cloud
light rain
part cloud
part cloud
clear
clear
light snow
light rain
light rain
part cloud
part cloud
light rain
mod rain
light rain
some clouds
light rain
light rain
rain shwrs
some clouds
some clouds
some clouds
light rain
some clouds
some clouds
cloudy
heavy rain
rain shwrs
clear
clear
clear
some clouds
clear
some clouds
clear
clear
cloudy
cloudy
mod rain
rain shwrs
clear
cloudy
cloudy
light rain
mod rain
mod rain
light rain
light rain
cloudy
light rain
some clouds
some clouds
clear
clear
light snow
light rain
light rain
some clouds
some clouds
 km/h
30
ESE
55
SE
30
S
45
S
55
S
60
S
55
SSW
45
SSW
40
SW
25
SW
15
ESE
20
NNW
10
NW
35
SSE
55
SE
50
SSW
50
SSW
55
SSW
40
SSW
20
SSW
20
SSW
10
SW
5
SW
20
SW
30
SSE
50
SSE
65
SSE
35
SSW
40
SW
40
SSW
20
SSE
30
SE
25
SSE
35
S
25
S
20
S
20
S
15
WNW
25
NW
25
NW
10
NW
20
S
40
S
35
SSE
15
SE
15
NW
20
NNW
 mm 
5
10
5
2
2
3
2
11
2
7
8
4
7
8
3
4
2
2
3
3
max°C
6
6
5
4
4
4
4
4
4
3
2
3
3
3
6
6
4
4
4
3
4
4
3
4
4
5
4
5
4
4
4
5
5
6
5
5
5
4
4
3
3
3
3
4
5
5
4
Moonrise
10:11
11:30
12:59
2:28
3:53
5:14
6:32
7:48
9:05
10:22
11:39
12:55
2:04
3:03
3:47
Moonset
4:01
4:53
5:27
5:48
6:04
6:15
6:24
6:33
6:42
6:52
7:04
7:21
7:45
8:19
9:07
10:08
Sunrise
7:56
7:54
7:52
7:50
7:48
7:46
7:43
7:41
7:39
7:37
7:35
7:33
7:31
7:30
7:28
7:26
Sunset
10:19
10:21
10:22
10:24
10:25
10:28
10:30
10:31
10:34
10:35
10:37
10:38
10:40
10:43
10:44
10:45
Today's sea temperature in Chernofski Harbor, Unalaska Island is
3.7° C
(Statistics for 20 Apr 1981-2005 – mean: 4.4 max: 5.1 min: 3.6°C)
Issued (local time): 9 pm Monday 20 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest