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 —.

Days 1–4 Weather Summary

Heavy rain (total 39mm), heaviest during Wed night. Later becoming colder with a dusting of snow on Fri afternoon. Icy conditions (max 6°C on Thu night, min -1°C on Fri afternoon). Mainly fresh winds.

Days 5–7 Weather Summary

A dusting of new snow. Air temperatures will be below freezing (max 0°C on Mon morning, min -4°C on Sat morning). Winds decreasing (near gales from the N on Sat morning, light winds from the NNW by Mon afternoon).

Days 8–10 Weather Summary

Mostly dry. Freeze-thaw conditions (max 4°C on Wed night, min -2°C on Mon night). Wind will be generally light.

Days 11–13 Weather Summary

Some drizzle, heaviest during Thu night. Mild temperatures (max 7°C on Thu night, min 1°C on Fri night). Wind will be generally light.

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sun
4
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
Wave Height Map
High Tide
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
9:33AM2.39m
10:16AM2.44m
4:17AM1.84m
11:09AM2.41m
4:35AM1.90m
12:09PM2.30m
5:07AM1.95m
1:17PM2.12m
Low Tide
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
4:54PM-0.21m
5:41PM-0.34m
6:34PM-0.40m
7:29PM-0.41m
6:35AM1.43m
8:25PM-0.37m
8:26AM1.37m
Wave
height (m) 
direction
period (s) 
cloud
cloud
cloud
heavy rain
mod rain
light rain
light rain
light rain
light snow
snow showers
part cloud
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
cloud
rain showers
clear
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloudy
cloudy
cloudy
heavy rain
mod rain
light rain
light rain
light rain
light snow
snow shwrs
some clouds
clear
clear
clear
clear
some clouds
clear
clear
some clouds
some clouds
clear
clear
some clouds
some clouds
cloudy
cloudy
cloudy
rain shwrs
clear
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
 km/h
10
ESE
10
ESE
15
ESE
20
E
10
SE
15
SSE
5
SSE
10
NNE
35
N
45
N
45
N
45
N
35
N
25
N
25
N
25
NNW
30
NNW
15
NNW
20
N
15
N
10
N
5
N
10
SW
15
SW
15
W
15
WNW
20
WSW
15
W
15
WSW
20
W
10
NW
10
WSW
10
WSW
15
WSW
10
WSW
10
SSE
 mm 
24
7
3
1
4
1
max°C
2
2
3
5
5
5
6
6
1
-2
-4
-4
-4
-3
-2
-2
0
0
-1
1
1
0
1
2
4
3
4
7
6
6
2
4
5
5
4
5
Moonrise
1:10
1:20
1:29
1:38
1:49
2:03
2:22
2:52
3:41
4:53
6:22
7:56
Moonset
9:53
11:14
12:35
1:57
3:22
4:51
6:25
8:01
9:29
10:37
11:22
11:50
Sunrise
10:22
10:22
10:22
10:22
10:22
10:22
10:22
10:22
10:22
10:22
10:22
10:22
Sunset
5:51
5:52
5:52
5:52
5:53
5:54
5:55
5:57
5:58
6:00
6:00
6:01
Today's sea temperature in Usof Bay, Unalaska Island is
5.5° C
(Statistics for 23 Dec 1981-2005 – mean: 5.0 max: 5.8 min: 3.9°C)
Issued (local time): 8 pm Tuesday 23 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest