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 08:48 AM and sunset is at 09:10 PM.

Days 1–3 Weather Summary

Light rain (total 3mm), mostly falling on Sun afternoon. Cool air temperatures (max 10°C on Tue night, min 6°C on Sun morning). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 69mm), heaviest during Wed night. Cool air temperatures (max 12°C on Wed night, min 8°C on Fri night). Winds increasing (light winds from the ESE on Wed morning, severe gales from the WSW by Thu afternoon).

Days 7–9 Weather Summary

Moderate rain (total 10mm), heaviest on Sat night. Very mild (max 10°C on Sat afternoon, min 6°C on Mon night). Winds decreasing (near gales from the WSW on Sat morning, light winds from the W by Sun afternoon).

Days 10–12 Weather Summary

Heavy rain (total 41mm), heaviest during Wed night. Mild temperatures (max 9°C on Tue afternoon, min 6°C on Tue morning). Mainly near gales.

Days 13–16 Weather Summary

Moderate rain (total 18mm), heaviest on Mon morning. Mild temperatures (max 9°C on Fri morning, min 5°C on Fri night). Winds increasing (calm on Sun morning, fresh winds from the SSE by Mon morning).

Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
Mon
5
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
AM
PM
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
12:39PM1.53m
9:43PM1.45m
1:13PM1.44m
10:23PM1.43m
1:39PM1.35m
11:07PM1.38m
1:56PM1.27m
00:00AM1.30m
2:06PM1.22m
1:05AM1.22m
2:13PM1.22m
2:25AM1.17m
2:23PM1.26m
3:59AM1.17m
2:40PM1.34m
5:37AM1.26m
3:07PM1.44m
7:05AM1.40m
3:45PM1.54m
8:15AM1.53m
4:36PM1.63m
9:12AM1.62m
5:38PM1.71m
9:59AM1.67m
6:44PM1.76m
10:41AM1.67m
7:52PM1.76m
11:20AM1.64m
Low Tide
5:07PM0.92m
5:17AM-0.03m
5:32PM0.88m
5:53AM0.02m
6:01PM0.81m
6:26AM0.10m
6:36PM0.71m
6:57AM0.20m
7:18PM0.58m
7:28AM0.33m
8:05PM0.42m
8:03AM0.49m
8:55PM0.25m
8:44AM0.66m
9:49PM0.08m
9:35AM0.82m
10:44PM-0.08m
10:39AM0.96m
11:40PM-0.20m
11:48AM1.05m
00:38AM-0.30m
12:54PM1.09m
1:35AM-0.35m
1:53PM1.08m
2:31AM-0.37m
2:50PM1.02m
3:25AM-0.33m
3:47PM0.92m
Wave
Height (m)
Direction
Period (s)
part cloud
rain showers
part cloud
part cloud
part cloud
clear
clear
part cloud
light rain
light rain
mod rain
heavy rain
light rain
light rain
rain showers
part cloud
light rain
rain showers
part cloud
part cloud
light rain
light rain
light rain
rain showers
clear
clear
clear
clear
clear
clear
cloud
cloud
rain showers
cloud
cloud
mod rain
rain showers
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
mod rain
rain showers
part cloud
some clouds
rain shwrs
some clouds
some clouds
some clouds
clear
clear
some clouds
light rain
light rain
mod rain
heavy rain
light rain
light rain
rain shwrs
some clouds
light rain
rain shwrs
some clouds
some clouds
light rain
light rain
light rain
rain shwrs
clear
clear
clear
clear
clear
clear
cloudy
cloudy
rain shwrs
cloudy
cloudy
mod rain
rain shwrs
some clouds
clear
some clouds
some clouds
some clouds
clear
some clouds
mod rain
rain shwrs
some clouds
km/h
15
NNW
15
WNW
10
NW
10
WNW
20
WNW
10
WNW
5
NW
10
SSE
5
SSE
15
ESE
30
SSE
35
SSE
50
SW
70
SW
60
W
25
W
30
SW
30
WSW
55
WSW
50
WSW
20
WSW
20
W
15
W
15
WNW
20
NW
15
NW
20
NW
15
NW
10
WNW
10
NNW
10
SE
20
ESE
50
ESE
15
NNE
15
N
20
N
20
N
20
N
20
NNW
10
NNW
5
W
5
NW
5
NNW
5
SW
20
SSW
35
SSE
25
SW
 mm
1
2
1
10
43
2
5
3
1
4
5
3
1
1
34
6
2
6
11
max °C
6
7
7
9
9
8
9
9
10
10
11
12
9
10
10
10
10
10
9
10
9
10
9
9
9
10
8
7
9
8
8
8
8
9
9
9
9
9
7
6
8
7
7
8
8
9
9
Moonrise
7:22
7:41
7:56
8:08
8:18
8:27
8:37
8:48
9:03
9:25
9:57
10:46
11:55
1:19
2:50
Moonset
1:23
2:37
3:55
5:14
6:34
7:54
9:16
10:41
12:10
1:41
3:12
4:32
5:34
6:15
6:42
7:01
Sunrise
8:48
8:49
8:52
8:53
8:56
8:56
8:59
9:00
9:03
9:03
9:06
9:07
9:10
9:11
9:12
9:15
Sunset
9:10
9:07
9:06
9:02
9:00
8:58
8:55
8:53
8:51
8:49
8:45
8:44
8:40
8:38
8:37
8:34
Today's sea temperature in Usof Bay, Unalaska Island is
8.3°C
(Statistics for 20 Sep 1981-2005 – mean: 9.5 max: 10.9 min: 8.5°C)
Issued (local time): 3 am Sunday 20 Sep 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest