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 10:18 AM and sunset is at 05:47 PM.

Days 1–3 Weather Summary

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

Days 4–6 Weather Summary

Light rain (total 4mm), mostly falling on Sun afternoon. Low air temperatures (max 5°C on Sun night, min 3°C on Sun morning). Winds decreasing (fresh winds from the NW on Mon afternoon, calm by Tue night).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 3°C on Wed morning, min -5°C on Thu night). Wind will be generally light.

Days 10–12 Weather Summary

Some drizzle, heaviest during Mon morning. Freeze-thaw conditions (max 2°C on Mon morning, min -2°C on Sat morning). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
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
9:34AM1.91m
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
Low Tide
7:26AM1.46m
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
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
light rain
rain showers
rain showers
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
light rain
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
light rain
rain shwrs
rain shwrs
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
cloudy
cloudy
some clouds
clear
clear
clear
some clouds
clear
clear
clear
clear
some clouds
light rain
clear
clear
 km/h
20
NW
15
NW
15
NW
15
NW
15
NW
15
NW
15
NNW
15
NW
15
NW
10
NW
20
WNW
20
W
20
WNW
30
NW
20
NW
15
NW
10
N
5
N
5
SSE
5
NNW
0
NNE
10
N
15
NNE
20
NNE
20
NNE
15
NNE
10
N
10
NNW
10
N
15
N
10
N
5
NNW
15
NW
10
WNW
15
NNW
10
N
 mm 
1
2
1
1
max°C
1
4
4
3
3
1
1
1
2
3
4
5
4
5
3
4
4
4
3
3
3
3
2
-2
-4
-3
-2
-2
-1
-1
0
1
0
2
2
0
Moonrise
9:58
10:59
11:45
12:19
12:41
12:58
1:10
1:20
1:29
1:38
1:49
2:03
Moonset
4:11
4:57
5:59
7:12
8:32
9:53
11:14
12:35
1:57
3:22
4:51
Sunrise
10:18
10:19
10:19
10:21
10:21
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): 8 am Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest