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 10:32 PM.

Days 1–4 Weather Summary

Heavy rain (total 25mm), heaviest during Wed afternoon. Low air temperatures (max 5°C on Wed night, min 3°C on Wed afternoon). Winds increasing (calm on Thu morning, fresh winds from the SSE by Fri night).

Days 5–7 Weather Summary

Light rain (total 5mm), mostly falling on Sat afternoon. Low air temperatures (max 6°C on Sun afternoon, min 2°C on Mon night). Wind will be generally light.

Days 8–10 Weather Summary

Heavy rain (total 27mm), heaviest during Wed afternoon. Mild temperatures (max 5°C on Tue night, min 3°C on Fri morning). Winds increasing (light winds from the ENE on Tue night, strong winds from the ENE by Thu night).

Days 11–13 Weather Summary

Light rain (total 5mm), mostly falling on Fri afternoon. Mild temperatures (max 8°C on Mon afternoon, min 3°C on Fri afternoon). Wind will be generally light.

Wed
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
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
PM
night
Wave Height Map
High Tide
3:53PM1.19m
1:19AM1.34m
5:23PM1.32m
1:24AM1.31m
6:35PM1.46m
1:11AM1.31m
7:27PM1.57m
8:09PM1.65m
8:45PM1.69m
9:20PM1.69m
9:51PM1.67m
10:20PM1.62m
10:42PM1.55m
7:19AM1.14m
10:55PM1.47m
8:34AM1.06m
11:02PM1.41m
9:53AM0.99m
11:05PM1.41m
11:20AM0.96m
11:11PM1.46m
12:54PM1.00m
Low Tide
7:52PM0.74m
8:59AM-0.11m
9:08PM0.90m
9:38AM-0.15m
10:58PM1.00m
10:17AM-0.17m
10:57AM-0.18m
11:39AM-0.18m
12:22PM-0.17m
1:05PM-0.16m
1:45PM-0.14m
3:58AM0.92m
2:22PM-0.10m
4:14AM0.83m
2:55PM-0.03m
4:34AM0.69m
3:25PM0.08m
4:58AM0.52m
3:53PM0.22m
5:28AM0.31m
4:20PM0.39m
6:05AM0.08m
Wave
height (m) 
direction
period (s) 
light rain
cloud
part cloud
cloud
mod rain
rain showers
light rain
mod rain
light rain
light rain
rain showers
part cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
mod rain
mod rain
mod rain
cloud
cloud
cloud
light rain
light rain
light rain
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
light rain
cloudy
some clouds
cloudy
mod rain
rain shwrs
light rain
mod rain
light rain
light rain
rain shwrs
some clouds
cloudy
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
mod rain
mod rain
mod rain
cloudy
cloudy
cloudy
light rain
light rain
light rain
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
 km/h
10
NE
5
ENE
5
N
10
ESE
10
SSW
30
SSW
35
S
15
SSW
10
SE
5
N
10
N
10
NNE
0
N
0
W
10
NNW
15
WNW
15
NW
5
N
15
E
15
ENE
15
NE
25
E
30
E
35
ENE
35
ENE
35
ENE
30
ENE
25
NE
15
NE
10
NNE
10
NE
5
ENE
0
ENE
0
S
0
S
10
NNW
10
WNW
15
NW
15
NW
10
WNW
10
NW
10
NW
5
WSW
5
SW
5
SSE
15
ESE
25
ENE
 mm 
5
6
1
3
8
2
3
2
7
10
8
2
3
2
max°C
4
5
5
5
3
4
4
3
4
4
4
4
6
4
5
5
4
4
4
5
5
5
5
5
5
4
3
3
3
5
6
6
6
7
6
7
8
5
6
7
5
5
7
6
4
5
4
Moonrise
9:02
10:19
11:37
12:53
2:02
3:01
3:45
4:17
4:39
4:55
5:07
5:17
5:27
5:37
5:48
Moonset
6:48
7:01
7:18
7:41
8:15
9:02
10:04
11:15
12:33
1:52
3:12
4:33
5:56
7:23
8:55
Sunrise
7:33
7:31
7:30
7:28
7:26
7:24
7:22
7:20
7:18
7:16
7:15
7:13
7:11
7:09
7:07
Sunset
10:32
10:35
10:36
10:37
10:39
10:42
10:44
10:45
10:46
10:49
10:51
10:52
10:53
10:55
10:57
10:59
Today's sea temperature in Usof Bay, Unalaska Island is
3.8° C
(Statistics for 29 Apr 1981-2005 – mean: 4.6 max: 5.1 min: 3.8°C)
Issued (local time): 3 pm Wednesday 29 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest