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 05:46 PM.

Days 1–4 Weather Summary

Moderate rain (total 17mm), heaviest on Wed night giving way to a moderate fall of snow, heaviest on Fri afternoon. Icy conditions (max 6°C on Thu afternoon, min -3°C on Fri night). Winds increasing (light winds from the E on Fri morning, severe gales from the N by Sat morning).

Days 5–7 Weather Summary

Mostly dry. Icy conditions (max 1°C on Mon afternoon, min -3°C on Sat afternoon). Winds decreasing (severe gales from the N on Sat afternoon, moderate winds from the NNW by Tue morning).

Days 8–10 Weather Summary

A dusting of snow turning to light rain (total 3mm) on Thu night. Freeze-thaw conditions (max 6°C on Wed night, min 0°C on Tue afternoon). Winds increasing (calm on Wed morning, fresh winds from the NW by Thu night).

Days 11–13 Weather Summary

A dusting of snow turning to light rain (total 7mm) on Sun night. Mild temperatures (max 6°C on Sun night, min 1°C on Fri night). Winds decreasing (fresh winds from the W on Fri afternoon, calm by Sun afternoon).

Wed
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Mon
5
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
Wave Height Map
High Tide
8:08AM1.64m
5:00PM1.12m
8:12AM1.62m
7:04PM1.02m
8:17AM1.66m
8:57PM1.01m
8:28AM1.74m
10:45PM1.09m
8:47AM1.86m
00:31AM1.22m
9:15AM1.98m
9:52AM2.08m
10:34AM2.12m
4:38AM1.59m
11:27AM2.10m
4:54AM1.65m
12:27PM2.00m
5:26AM1.69m
1:34PM1.84m
6:00AM1.73m
Low Tide
11:46PM0.17m
2:28PM1.09m
00:17AM0.33m
2:42PM0.83m
00:47AM0.53m
3:11PM0.54m
1:16AM0.76m
3:46PM0.24m
1:45AM0.99m
4:28PM-0.03m
2:12AM1.20m
5:14PM-0.25m
6:01PM-0.39m
6:55PM-0.46m
7:49PM-0.47m
6:53AM1.62m
8:45PM-0.42m
8:46AM1.55m
9:39PM-0.31m
10:31AM1.40m
Wave
height (m) 
direction
period (s) 
0.5
S
4
1
SSE
4
1.7
S
6
1.7
S
6
1.4
S
5
1.3
SSE
3
1.5
E
5
1.9
E
7
2.4
NE
7
2.1
NE
7
1.8
NE
6
1.9
NE
6
1.7
NE
6
1.9
NE
6
1.7
NNE
5
1.3
NNE
5
1.1
ENE
6
0.8
ENE
5
0.7
ENE
4
0.5
SE
5
0.3
SE
3
0.3
SE
3
0.5
SSW
4
0.7
S
5
0.6
S
5
0.6
S
3
0.8
WSW
5
0.6
SSW
5
0.5
SSW
4
0.4
SSW
4
0.7
WSW
4
0.7
SW
3
0.7
SSW
3
0.7
SSW
3
0.7
S
4
1.2
S
5
cloud
heavy rain
light rain
cloud
cloud
light rain
light snow
mod snow
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
snow showers
clear
part cloud
part cloud
light snow
part cloud
cloud
part cloud
part cloud
mod rain
cloud
cloudy
heavy rain
light rain
cloudy
cloudy
light rain
light snow
mod snow
some clouds
some clouds
some clouds
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
some clouds
some clouds
cloudy
cloudy
cloudy
snow shwrs
clear
some clouds
some clouds
light snow
some clouds
cloudy
some clouds
some clouds
mod rain
cloudy
 km/h
20
SSE
25
SE
30
S
25
S
20
S
10
E
45
N
70
N
80
N
75
N
65
N
65
N
60
N
70
N
65
N
50
N
40
NNW
30
NNW
30
NNW
15
NNW
5
NNW
10
S
25
SSW
15
SW
5
WNW
5
SW
30
WNW
30
W
15
WSW
10
S
20
W
5
WSW
5
S
0
ESE
25
SSE
15
SW
 mm 
14
1
2
3
1
6
max°C
2
5
5
6
6
6
1
-2
-3
-3
-1
-1
-1
-1
0
1
0
0
0
1
1
2
6
5
4
3
3
3
3
4
5
3
2
3
6
5
Moonrise
1:18
1:27
1:36
1:46
1:59
2:18
2:48
3:36
4:47
6:17
7:52
Moonset
11:11
12:32
1:54
3:20
4:50
6:25
8:01
9:30
10:38
11:22
11:50
12:07
Sunrise
10:22
10:22
10:22
10:22
10:22
10:22
10:22
10:22
10:22
10:22
10:21
10:21
Sunset
5:46
5:46
5:47
5:49
5:50
5:51
5:52
5:52
5:53
5:55
5:57
5:58
Today's sea temperature in Udamat Bay, Sedanka Island, Unalaska Island is
5.6° C
(Statistics for 24 Dec 1981-2005 – mean: 5.0 max: 5.9 min: 3.9°C)
Issued (local time): 2 pm Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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