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 10:22 AM and sunset is at 05:46 PM.

Days 1–3 Weather Summary

Mild with light rain (total 4mm) on Thu morning. Becoming colder with a light covering of snow, mostly falling on Fri afternoon. Icy conditions (max 6°C on Thu morning, min -3°C on Fri night). Winds increasing (calm on Fri morning, severe gales from the N by Fri night).

Days 4–6 Weather Summary

Mostly dry. Icy conditions (max 2°C on Tue night, min -1°C on Sun morning). Winds decreasing (gales from the N on Sun night, calm by Tue night).

Days 7–9 Weather Summary

Light rain (total 2mm), mostly falling on Wed night. Mild temperatures (max 6°C on Thu night, min 2°C on Wed morning). Winds increasing (light winds from the S on Wed morning, fresh winds from the SW by Fri morning).

Days 10–12 Weather Summary

A dusting of snow giving way to moderate rain (total 18mm) heaviest on Sat night. Mild temperatures (max 5°C on Sun morning, min 2°C on Sat morning). Winds increasing (calm on Sat afternoon, strong winds from the SSW by Mon morning).

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
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
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
2:51PM1.63m
Low Tide
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
10:32PM-0.16m
Wave
height (m) 
direction
period (s) 
1.7
S
5
1.7
S
6
1.4
S
5
1.3
SSE
4
1.7
E
6
2.2
E
7
2.3
NE
7
2.3
NE
6
1.8
NE
6
1.8
NE
6
1.8
NE
6
1.8
NNE
5
1.6
NNE
5
1.5
N
4
1
ENE
6
0.8
ENE
4
0.6
ENE
4
0.4
SE
4
0.3
SE
3
0.4
SE
5
0.7
SSW
4
0.8
S
4
0.9
SSW
4
0.7
S
4
0.8
S
4
1.2
SSW
4
1
S
4
0.8
W
3
0.7
SSW
4
0.8
SSE
4
1
ESE
5
0.9
SSE
3
0.9
SSW
3
1.4
SSW
4
1.7
SSW
5
2
S
5
light rain
cloud
cloud
cloud
light snow
light snow
cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
cloud
cloud
light rain
cloud
part cloud
cloud
cloud
light rain
part cloud
part cloud
cloud
light snow
cloud
cloud
rain showers
part cloud
part cloud
rain showers
light rain
cloudy
cloudy
cloudy
light snow
light snow
cloudy
some clouds
some clouds
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
cloudy
cloudy
light rain
cloudy
some clouds
cloudy
cloudy
light rain
some clouds
some clouds
cloudy
light snow
cloudy
cloudy
rain shwrs
some clouds
some clouds
rain shwrs
 km/h
35
S
30
S
15
S
0
WSW
55
N
80
N
80
N
75
N
60
N
60
N
65
N
65
N
60
N
60
N
40
N
25
NNW
20
NNW
15
NNW
10
S
20
S
30
S
20
SSW
20
SSW
10
SW
25
SSW
30
SSW
15
WSW
15
NW
5
NE
30
ESE
10
ESE
20
S
15
WSW
40
SW
45
SSW
40
SSW
 mm 
4
1
1
12
5
1
max°C
6
6
6
6
0
-2
-3
-2
-1
-1
-1
0
0
0
0
1
1
2
3
4
5
4
4
6
6
6
6
2
2
4
5
5
4
4
4
4
Moonrise
1:18
1:27
1:36
1:46
1:59
2:18
2:48
3:36
4:47
6:17
7:52
9:24
Moonset
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
5:47
5:49
5:50
5:51
5:52
5:52
5:53
5:55
5:57
5:58
5:59
Today's sea temperature in Udamat Bay, Sedanka Island, Unalaska Island is
5.4° C
(Statistics for 25 Dec 1981-2005 – mean: 5.0 max: 5.9 min: 3.9°C)
Issued (local time): 8 am Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest