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 07:58 AM and sunset is at 10:15 PM.

Days 1–3 Weather Summary

Heavy rain (total 30mm), heaviest during Tue morning. Low air temperatures (max 5°C on Mon night, min 3°C on Sun morning). Winds decreasing (near gales from the SW on Sun morning, light winds from the SSE by Mon afternoon).

Days 4–6 Weather Summary

Heavy rain (total 24mm), heaviest during Fri night. Air temperatures will be slightly above freezing (max 4°C on Wed morning, min 1°C on Thu night). Winds decreasing (near gales from the S on Wed afternoon, light winds from the SW by Fri morning).

Days 7–9 Weather Summary

Mild with moderate rain (total 13mm) on Sat morning. Becoming colder with a light covering of snow, mostly falling on Sat night. Freeze-thaw conditions (max 3°C on Sat morning, min 0°C on Sun night). Wind will be generally light.

Days 10–12 Weather Summary

A light fall of snow, heaviest on Tue night. Turning milder with light rain (total 8mm) on Thu afternoon. Mild temperatures (max 5°C on Thu night, min 1°C on Tue night). Winds decreasing (near gales from the W on Wed afternoon, light winds from the SSW by Thu night).

Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Mon
4
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
High Tide
7:27PM1.58m
8:23PM1.67m
9:11PM1.73m
9:55PM1.73m
7:21AM1.62m
10:35PM1.71m
8:37AM1.51m
11:13PM1.67m
9:54AM1.37m
11:48PM1.62m
11:16AM1.23m
00:19AM1.55m
12:43PM1.13m
00:45AM1.47m
2:16PM1.12m
1:06AM1.40m
3:53PM1.19m
1:19AM1.34m
5:23PM1.32m
1:24AM1.31m
6:35PM1.46m
1:11AM1.31m
7:27PM1.57m
Low Tide
10:46AM-0.45m
10:50PM1.09m
11:47AM-0.51m
00:12AM1.10m
12:48PM-0.52m
1:27AM1.04m
1:47PM-0.49m
2:35AM0.93m
2:44PM-0.41m
3:40AM0.79m
3:38PM-0.28m
4:42AM0.61m
4:28PM-0.11m
5:42AM0.43m
5:17PM0.10m
6:38AM0.25m
6:05PM0.32m
7:30AM0.10m
6:55PM0.54m
8:16AM-0.02m
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
Wave
height (m) 
direction
period (s) 
part cloud
cloud
cloud
cloud
cloud
rain showers
heavy rain
mod rain
light rain
light rain
light rain
light rain
rain showers
light rain
part cloud
cloud
light rain
heavy rain
mod rain
light rain
light snow
light snow
light rain
part cloud
clear
clear
cloud
cloud
cloud
light snow
light snow
snow showers
part cloud
cloud
light rain
light rain
cloud
heavy rain
heavy rain
light rain
light rain
heavy rain
light rain
light rain
light rain
light rain
cloud
some clouds
cloudy
cloudy
cloudy
cloudy
rain shwrs
heavy rain
mod rain
light rain
light rain
light rain
light rain
rain shwrs
light rain
some clouds
cloudy
light rain
heavy rain
mod rain
light rain
light snow
light snow
light rain
some clouds
clear
clear
cloudy
cloudy
cloudy
light snow
light snow
snow shwrs
some clouds
cloudy
light rain
light rain
cloudy
heavy rain
heavy rain
light rain
light rain
heavy rain
light rain
light rain
light rain
light rain
cloudy
 km/h
55
SW
50
SW
35
WSW
20
SW
15
SSW
15
ENE
30
E
30
SE
45
S
40
S
50
S
45
SSW
25
SSW
15
SW
15
WNW
10
SW
20
SSE
30
SE
20
E
10
ENE
5
WSW
15
WNW
20
WNW
20
W
5
WSW
10
WSW
10
N
15
N
25
NNW
30
WNW
35
WNW
50
WNW
35
W
10
WSW
15
ESE
10
SSW
10
SSW
20
NE
15
S
35
SW
25
WSW
45
W
30
W
20
W
15
WNW
10
WNW
15
NW
 mm 
5
12
10
3
2
2
5
2
1
1
11
8
3
1
1
1
4
3
16
14
2
4
11
2
2
4
1
max°C
4
4
4
4
4
5
5
5
4
4
3
3
3
3
3
3
3
3
3
2
2
2
3
2
3
3
3
3
3
1
1
2
2
3
3
5
5
6
5
3
3
3
3
3
4
3
3
Moonrise
8:27
9:07
10:07
11:26
12:55
2:24
3:49
5:10
6:29
7:45
9:02
10:19
11:37
12:53
2:02
Moonset
1:11
2:43
3:59
4:51
5:25
5:46
6:01
6:12
6:21
6:30
6:38
6:48
7:01
7:18
7:41
8:15
Sunrise
7:58
7:56
7:54
7:52
7:48
7:47
7:45
7:43
7:41
7:39
7:35
7:33
7:31
7:30
7:28
7:26
Sunset
10:15
10:16
10:17
10:20
10:22
10:23
10:25
10:27
10:29
10:30
10:32
10:35
10:36
10:37
10:39
10:42
Today's sea temperature in Usof Bay, Unalaska Island is
3.4° C
(Statistics for 19 Apr 1981-2005 – mean: 4.3 max: 5.1 min: 3.3°C)
Issued (local time): 9 am Sunday 19 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest