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 09:29 AM and sunset is at 09:00 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 2°C on Thu afternoon, min -4°C on Wed morning). Winds decreasing (strong winds from the NNW on Wed morning, light winds from the W by Thu night).

Days 4–6 Weather Summary

Mostly dry. Air temperatures will be below freezing (max -1°C on Sat morning, min -4°C on Sun night). Mainly strong winds.

Days 7–9 Weather Summary

Mostly dry. Temperatures will be below freezing (max 0°C on Thu night, min -2°C on Tue morning). Winds decreasing (strong winds from the NNW on Tue afternoon, calm by Thu afternoon).

Days 10–12 Weather Summary

A dusting of snow giving way to moderate rain (total 14mm) heaviest on Fri night. Freeze-thaw conditions (max 5°C on Sun morning, min 0°C on Fri morning). Winds decreasing (near gales from the ESE on Fri night, calm by Sun night).

Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thu
26
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
8:44AM1.35m
00:46AM1.40m
9:20AM1.39m
1:28AM1.36m
9:56AM1.41m
2:04AM1.29m
10:35AM1.41m
2:30AM1.22m
11:18AM1.37m
2:45AM1.16m
12:11PM1.30m
2:53AM1.12m
1:15PM1.21m
3:02AM1.12m
2:34PM1.13m
3:16AM1.16m
4:06PM1.09m
3:37AM1.23m
5:47PM1.12m
4:08AM1.32m
7:24PM1.20m
8:46PM1.31m
9:51PM1.39m
10:45PM1.43m
7:45AM1.58m
Low Tide
4:36PM-0.04m
4:53AM1.19m
5:17PM-0.04m
5:15AM1.19m
5:55PM-0.03m
5:38AM1.15m
6:30PM-0.01m
6:08AM1.07m
7:03PM0.05m
7:35PM0.15m
7:37AM0.79m
8:08PM0.28m
8:32AM0.59m
8:44PM0.45m
9:30AM0.37m
9:26PM0.65m
10:30AM0.15m
10:16PM0.85m
11:30AM-0.05m
11:17PM1.02m
12:31PM-0.23m
00:26AM1.15m
1:32PM-0.35m
1:35AM1.20m
2:31PM-0.41m
2:40AM1.20m
3:29PM-0.43m
Wave
height (m) 
direction
period (s) 
0.8
N
4
0.6
WSW
5
0.3
SW
3
0.6
WSW
5
0.4
WSW
4
0.2
SSW
3
0.7
N
4
0.7
ENE
6
0.5
E
5
0.5
E
5
0.7
NE
5
1.1
NE
5
1.1
NE
6
0.9
NE
6
0.9
NNE
4
0.9
ENE
6
0.9
ENE
5
0.8
ENE
5
0.8
ENE
6
0.9
ENE
6
0.9
ENE
6
0.9
ENE
6
0.8
ENE
6
0.5
ENE
4
0.4
SE
3
0.2
SSE
3
0.2
SSE
4
0.4
SSE
5
0.9
SSE
5
2.4
SE
7
2.1
SSE
6
1.8
SSE
4
1.6
SSE
4
1.4
SSE
4
1.3
SSE
4
1.1
S
3
1
SSE
3
1.1
SSE
6
2.2
SSW
5
3
SSW
7
3
SW
7
2.5
SSW
6
2.5
SW
6
2.1
SW
6
1.6
SW
5
1.1
SSW
6
0.9
SSW
6
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
clear
clear
clear
part cloud
cloud
cloud
light snow
light rain
cloud
light rain
cloud
cloud
part cloud
part cloud
light rain
rain showers
part cloud
clear
part cloud
part cloud
clear
clear
clear
part cloud
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
cloudy
some clouds
clear
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
cloudy
some clouds
clear
clear
clear
some clouds
cloudy
cloudy
light snow
light rain
cloudy
light rain
cloudy
cloudy
some clouds
some clouds
light rain
rain shwrs
some clouds
clear
some clouds
some clouds
clear
clear
clear
some clouds
 km/h
45
NNW
35
NNW
20
W
40
NW
25
NW
15
WNW
40
NNW
40
NNW
30
NNW
30
N
35
N
50
NNE
45
N
40
N
45
N
40
N
35
NNW
40
NNW
45
NNW
45
NNW
45
NNW
45
NNW
40
NNW
25
NNW
15
NW
5
SW
15
SSE
20
SE
35
SE
55
ESE
15
SE
15
S
15
SSE
5
SW
10
NNW
10
NW
5
ESE
30
S
60
SSW
65
SW
65
SW
50
SW
55
SW
50
WSW
45
WSW
35
W
35
W
 mm 
11
1
2
1
3
max°C
-4
-2
1
1
2
2
-1
-1
-2
-1
-1
-2
-2
-1
-1
-3
-2
-2
-2
-1
-1
-1
-1
-2
-2
-1
0
1
1
4
4
4
4
5
5
4
4
4
5
3
3
3
3
3
1
2
2
Moonrise
6:28
7:16
7:50
8:14
8:30
8:43
8:53
9:02
9:11
9:21
9:35
9:54
10:22
11:07
12:12
1:34
Moonset
12:17
1:16
2:29
3:49
5:12
6:37
8:02
9:28
10:57
12:28
2:04
3:38
5:03
6:09
6:53
Sunrise
9:29
9:26
9:23
9:22
9:19
9:17
9:15
9:11
9:10
9:07
9:04
9:02
9:00
8:56
8:55
8:52
Sunset
9:00
9:01
9:04
9:06
9:07
9:09
9:12
9:14
9:15
9:16
9:19
9:21
9:22
9:24
9:27
9:29
Today's sea temperature in Udamat Bay, Sedanka Island, Unalaska Island is
3.4° C
(Statistics for 11 Mar 1981-2005 – mean: 3.9 max: 4.7 min: 2.9°C)
Issued (local time): 9 am Wednesday 11 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest