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 — and sunset is at 05:47 PM.

Days 1–4 Weather Summary

Mostly dry. Icy conditions (max 4°C on Thu night, min 0°C on Fri night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 3mm), mostly falling on Sun afternoon. Low air temperatures (max 5°C on Mon morning, min 2°C on Tue night). Wind will be generally light.

Days 8–10 Weather Summary

Drizzle at first, then turning colder with dusting of snow on Wed night. Freeze-thaw conditions (max 3°C on Wed afternoon, min -4°C on Fri night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 9mm) at first, then becoming colder with a dusting of snow on Mon night. Freeze-thaw conditions (max 5°C on Mon morning, min -3°C on Mon night). Winds increasing (calm on Sat night, fresh winds from the S by Sun night).

Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
6:26AM1.98m
6:54AM2.01m
7:14AM2.01m
7:27AM2.00m
7:38AM1.97m
7:45AM1.92m
7:50AM1.87m
4:43PM1.29m
7:53AM1.86m
6:45PM1.17m
7:58AM1.90m
8:39PM1.15m
8:09AM1.99m
10:28PM1.24m
8:28AM2.13m
00:16AM1.40m
8:56AM2.27m
Low Tide
7:49PM-0.03m
8:25PM-0.03m
9:03PM-0.03m
9:41PM-0.02m
10:18PM-0.00m
10:53PM0.05m
11:25PM0.14m
2:05PM0.96m
11:57PM0.28m
2:21PM0.73m
00:26AM0.46m
2:50PM0.48m
00:55AM0.66m
3:26PM0.22m
1:23AM0.87m
4:07PM-0.02m
1:49AM1.06m
Wave
height (m) 
direction
period (s) 
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
rain showers
light rain
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
snow showers
part cloud
part cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
mod rain
light snow
part cloud
some clouds
some clouds
clear
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
light rain
rain shwrs
light rain
some clouds
some clouds
some clouds
clear
some clouds
cloudy
cloudy
snow shwrs
some clouds
some clouds
some clouds
clear
some clouds
clear
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
light rain
mod rain
light snow
some clouds
 km/h
15
NW
10
NW
15
NW
15
NW
15
NW
15
NW
15
NW
15
NW
10
NW
20
WNW
15
W
20
W
20
WNW
20
NW
20
NW
15
NW
10
NW
10
W
10
WNW
10
N
15
NW
20
NNW
5
NNW
10
NNW
10
NNW
15
NNW
10
N
10
N
0
SW
10
WSW
20
SW
30
SSW
35
SSW
35
SSW
25
N
20
N
 mm 
1
1
1
1
1
8
max°C
3
4
3
3
2
1
1
2
3
4
4
5
5
4
3
3
3
3
3
3
1
0
0
-1
0
-2
-3
-1
-1
1
2
4
5
5
2
-3
Moonrise
10:59
11:45
12:19
12:41
12:58
1:10
1:20
1:29
1:38
1:49
2:03
2:22
Moonset
4:11
4:57
5:59
7:12
8:32
9:53
11:14
12:35
1:57
3:22
4:51
6:25
Sunrise
10:19
10:19
10:21
10:21
10:22
10:22
10:22
10:22
10:22
10:22
10:22
10:22
Sunset
5:47
5:47
5:49
5:49
5:50
5:50
5:51
5:52
5:52
5:52
5:53
5:54
Today's sea temperature in Usof Bay, Unalaska Island is
5.9° C
(Statistics for 18 Dec 1981-2005 – mean: 5.0 max: 5.8 min: 4.2°C)
Issued (local time): 2 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest