Udamat Bay, Sedanka Island, Unalaska Island Sea Conditions and Tide Table

Udamat Bay, Sedanka Island, 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

Mostly dry. Icy conditions (max 3°C on Mon morning, min -3°C on Sat night). Mainly strong winds.

Days 5–7 Weather Summary

Mostly dry. Icy conditions (max 3°C on Fri afternoon, min 0°C on Wed afternoon). Winds decreasing (strong winds from the N on Wed afternoon, moderate winds from the NNW by Thu night).

Days 8–10 Weather Summary

Mostly dry. Temperatures will be slightly above freezing (max 3°C on Fri night, min 1°C on Fri night). Mainly strong winds.

Days 11–13 Weather Summary

Mostly dry. Mild temperatures (max 5°C on Thu morning, min 1°C on Mon night). Winds decreasing (strong winds from the NNW on Mon night, light winds from the NNW by Wed afternoon).

Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thu
18
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
6:40AM1.80m
2:55PM1.77m
7:18AM1.83m
4:18PM1.60m
7:55AM1.84m
5:46PM1.42m
8:30AM1.83m
7:18PM1.26m
9:03AM1.80m
8:52PM1.16m
9:32AM1.75m
10:27PM1.14m
9:56AM1.69m
00:02AM1.19m
10:14AM1.63m
1:39AM1.30m
10:23AM1.59m
3:14AM1.43m
10:22AM1.59m
4:48AM1.55m
10:13AM1.62m
6:05AM1.66m
Low Tide
10:01PM-0.52m
10:42AM1.55m
10:58PM-0.42m
12:11PM1.38m
11:54PM-0.28m
1:28PM1.14m
00:47AM-0.08m
2:33PM0.88m
1:37AM0.16m
3:30PM0.62m
2:25AM0.42m
4:21PM0.39m
3:11AM0.69m
5:06PM0.21m
3:56AM0.96m
5:47PM0.09m
4:40AM1.20m
6:24PM0.01m
6:58PM-0.02m
6:10AM1.55m
7:32PM-0.03m
7:15AM1.65m
Wave
height (m) 
direction
period (s) 
1.1
WNW
6
0.9
WNW
6
0.5
WNW
6
0.4
WNW
3
1.2
ESE
5
0.9
WNW
6
0.9
W
5
0.8
W
5
0.7
W
4
0.7
W
4
0.7
E
5
0.8
E
5
0.8
NE
4
0.6
NE
4
0.5
NE
4
0.4
NNE
4
0.5
W
5
0.6
W
5
0.7
W
5
1
W
6
1
NNE
5
1.1
NE
5
1
W
6
1.1
W
5
1
W
5
0.8
W
5
0.9
W
5
0.9
W
5
0.7
W
5
0.6
W
4
0.6
ENE
4
0.4
WSW
4
0.3
ENE
3
0.3
W
3
0.4
W
4
0.4
WSW
4
cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
part cloud
clear
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
clear
part cloud
clear
part cloud
clear
cloudy
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
clear
some clouds
clear
clear
clear
some clouds
clear
some clouds
cloudy
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
clear
some clouds
clear
some clouds
clear
 km/h
45
NNW
30
NNE
10
NE
10
NNE
30
NNE
20
NNE
30
N
30
NNW
25
NNW
30
NNW
30
N
35
N
35
NNW
25
NNW
25
NNW
20
NNW
25
NNW
35
NNW
35
NNW
50
N
45
N
40
N
35
N
35
N
35
N
35
NNW
40
NNW
40
NNW
35
NNW
30
NNW
25
NNW
20
NNW
15
NNW
20
NW
25
NW
25
NW
 mm 
max°C
0
-1
-1
2
3
3
3
2
2
2
1
0
1
1
1
2
2
3
3
2
3
3
3
3
3
3
2
1
2
2
3
3
3
3
5
5
Moonrise
8:55
10:26
11:52
1:13
2:30
3:45
4:59
6:15
7:31
8:47
9:58
Moonset
1:28
1:49
2:03
2:14
2:22
2:30
2:38
2:47
2:58
3:13
3:34
4:06
Sunrise
10:07
10:08
10:10
10:11
10:12
10:14
10:15
10:15
10:15
10:17
10:18
10:18
Sunset
5:44
5:44
5:43
5:43
5:43
5:43
5:43
5:43
5:43
5:43
5:43
5:44
Today's sea temperature in Udamat Bay, Sedanka Island, Unalaska Island is
6.5° C
(Statistics for 06 Dec 1981-2005 – mean: 5.6 max: 6.0 min: 5.0°C)
Issued (local time): 8 pm Saturday 06 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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