Usof Bay, Unalaska Island Sea Conditions and Tide Table

Usof Bay, 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 10:11 AM and sunset is at 05:46 PM.

Days 1–3 Weather Summary

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

Days 4–6 Weather Summary

Mostly dry. Icy conditions (max 2°C on Sun morning, min -2°C on Sun night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 3°C on Tue morning, min -3°C on Wed morning). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Temperatures will be slightly above freezing (max 4°C on Sun night, min 1°C on Fri morning). Wind will be generally light.

Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
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
High Tide
8:12AM2.11m
7:01PM1.45m
8:45AM2.07m
8:35PM1.34m
9:15AM2.01m
10:11PM1.30m
9:40AM1.94m
11:48PM1.37m
9:58AM1.87m
1:25AM1.49m
10:07AM1.82m
2:59AM1.65m
10:07AM1.81m
4:28AM1.80m
9:56AM1.85m
5:39AM1.91m
9:34AM1.91m
6:26AM1.98m
6:54AM2.01m
7:14AM2.01m
Low Tide
2:12PM0.77m
1:17AM0.13m
3:09PM0.54m
2:06AM0.37m
4:00PM0.34m
2:52AM0.61m
4:46PM0.18m
3:39AM0.85m
5:26PM0.07m
4:25AM1.06m
6:04PM0.00m
6:39PM-0.02m
6:09AM1.37m
7:13PM-0.03m
7:26AM1.46m
7:49PM-0.03m
8:25PM-0.03m
9:03PM-0.03m
9:41PM-0.02m
Wave
height (m) 
direction
period (s) 
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
part cloud
part cloud
cloud
part cloud
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
some clouds
clear
clear
some clouds
some clouds
clear
clear
clear
clear
some clouds
clear
some clouds
clear
clear
clear
some clouds
some clouds
cloudy
some clouds
 km/h
15
N
10
NNW
15
N
5
N
5
NNE
15
N
20
N
15
NNE
35
N
25
N
25
N
15
NW
15
NW
25
N
20
NNW
20
NNW
25
NNW
30
NW
25
NW
15
NNW
15
NNW
15
NNW
10
N
10
N
10
NNW
10
NNW
10
NW
15
NNW
10
NNW
5
NNW
5
NE
5
SE
10
SE
15
SE
15
ESE
20
ESE
 mm 
max°C
-1
0
1
1
3
5
4
2
2
0
1
0
2
2
-2
-1
0
2
3
0
0
-2
-2
-1
0
1
2
1
2
1
1
1
2
2
3
4
Moonrise
1:16
2:32
3:47
5:01
6:16
7:31
8:47
9:58
10:59
11:45
12:19
Moonset
2:16
2:24
2:33
2:41
2:50
3:01
3:17
3:39
4:11
4:57
5:59
7:12
Sunrise
10:11
10:12
10:14
10:15
10:15
10:17
10:18
10:18
10:18
10:19
10:19
10:21
Sunset
5:46
5:46
5:46
5:46
5:46
5:46
5:46
5:47
5:47
5:47
5:49
5:49
Today's sea temperature in Usof Bay, Unalaska Island is
6.3° C
(Statistics for 10 Dec 1981-2005 – mean: 5.3 max: 6.0 min: 4.5°C)
Issued (local time): 8 am Wednesday 10 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest