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 07:50 PM.

Days 1–4 Weather Summary

A moderate fall of snow, heaviest on Thu night. Air temperatures will be below freezing (max -2°C on Sat night, min -7°C on Fri morning). Winds increasing (moderate winds from the WNW on Fri afternoon, near gales from the NW by Sat afternoon).

Days 5–7 Weather Summary

A dusting of new snow. Icy conditions (max 2°C on Tue night, min -4°C on Tue morning). Winds decreasing (strong winds from the NNW on Mon night, moderate winds from the WNW by Tue night).

Days 8–10 Weather Summary

Mostly dry. Freeze-thaw conditions (max 3°C on Wed night, min -3°C on Fri morning). Mainly fresh winds.

Days 11–13 Weather Summary

Mostly dry. Freeze-thaw conditions (max 1°C on Sat night, min -3°C on Sun night). Winds increasing (fresh winds from the NW on Sat night, near gales from the NNW by Tue morning).

Friday
6
Saturday
7
Sunday
8
Monday
9
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Sat
21
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
night
AM
Wave Height Map
High Tide
4:55AM1.25m
7:02PM1.19m
8:17PM1.28m
9:18PM1.37m
6:33AM1.26m
10:12PM1.41m
7:09AM1.30m
11:00PM1.43m
7:44AM1.35m
11:46PM1.40m
8:20AM1.39m
00:28AM1.36m
8:56AM1.41m
1:04AM1.29m
9:35AM1.41m
1:30AM1.22m
10:18AM1.37m
1:45AM1.16m
11:11AM1.30m
1:53AM1.12m
12:15PM1.21m
2:02AM1.12m
1:34PM1.13m
2:16AM1.16m
3:06PM1.09m
2:37AM1.23m
Low Tide
10:47PM0.69m
11:50AM0.25m
11:54PM0.85m
12:39PM0.14m
1:02AM0.97m
1:25PM0.06m
3:02AM1.06m
2:10PM0.01m
2:50AM1.12m
2:54PM-0.02m
3:26AM1.17m
3:36PM-0.04m
3:53AM1.19m
4:17PM-0.04m
4:15AM1.19m
4:55PM-0.03m
4:38AM1.15m
5:30PM-0.01m
5:08AM1.07m
6:03PM0.05m
6:35PM0.15m
6:37AM0.79m
7:08PM0.28m
7:32AM0.59m
7:44PM0.45m
8:30AM0.37m
8:26PM0.65m
9:30AM0.15m
Wave
height (m) 
direction
period (s) 
1.1
W
6
0.7
WSW
5
0.6
SW
4
0.9
SW
5
1
SW
5
1.1
SW
6
0.9
WSW
5
0.7
SW
5
0.9
SW
5
0.8
SW
5
0.7
SW
5
0.5
SW
4
0.7
E
5
0.7
N
3
0.6
NNW
4
0.4
SW
4
0.5
SW
5
0.5
SW
5
0.3
SW
4
0.5
WSW
5
0.5
WSW
5
0.6
E
5
0.5
E
4
0.6
E
4
0.7
ENE
5
0.6
ENE
4
0.6
ENE
4
0.6
ENE
5
0.7
ENE
5
0.9
ENE
5
1.1
NNW
4
1.1
N
4
1.2
N
4
1.2
N
4
1.2
N
4
1.3
N
4
1
N
4
0.8
NNW
4
0.9
NNW
4
0.7
NNW
4
0.7
ENE
5
0.6
ENE
5
0.5
WSW
5
0.7
WSW
6
0.7
E
6
0.6
S
6
0.5
WSW
5
light snow
light snow
light snow
snow showers
light snow
snow showers
part cloud
light snow
cloud
cloud
cloud
cloud
snow showers
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
light snow
light snow
light snow
snow shwrs
light snow
snow shwrs
some clouds
light snow
cloudy
cloudy
cloudy
cloudy
snow shwrs
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
clear
clear
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
 km/h
45
NNW
35
NW
20
WNW
35
NW
40
NW
45
NW
45
NW
25
NNW
45
NNW
40
NNW
40
NW
30
WNW
40
NNW
35
NNW
35
NNW
30
WNW
30
NW
35
NW
20
WNW
35
NNW
35
NNW
35
NNW
25
NNW
30
NNW
30
NNW
30
NNW
30
NNW
35
NW
40
NNW
45
NNW
55
NNW
50
NNW
55
NNW
55
NNW
60
NNW
60
NNW
50
NNW
45
NW
50
NNW
40
NNW
40
NNW
35
NNW
30
NW
40
NNW
35
NNW
30
NNW
30
NNW
 mm 
max°C
-5
-7
-6
-5
-4
-4
-2
-2
-2
-3
-1
1
0
-4
-2
2
1
2
3
1
0
0
-3
-3
-1
1
1
1
0
-1
-1
-3
-3
-3
-3
-3
-2
-1
-1
-3
-3
-2
-2
-3
-4
-3
-2
Moonrise
11:18
12:36
1:55
4:13
5:25
6:28
7:16
7:50
8:14
8:30
8:43
8:53
9:02
9:11
9:21
9:35
Moonset
9:18
9:28
10:43
11:03
11:33
12:17
1:16
2:29
3:49
5:12
6:37
8:02
9:28
10:57
12:28
Sunrise
8:40
8:37
9:34
8:33
8:30
8:27
8:25
8:22
8:21
8:18
8:15
8:12
8:11
8:07
8:06
8:03
Sunset
7:50
7:52
7:53
8:55
7:58
8:00
8:01
8:02
8:05
8:07
8:08
8:10
8:13
8:15
8:16
8:19
Today's sea temperature in Udamat Bay, Sedanka Island, Unalaska Island is
3.7° C
(Statistics for 05 Mar 1981-2005 – mean: 3.8 max: 4.7 min: 2.9°C)
Issued (local time): 8 pm Thursday 05 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest