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 07:10 PM.

Days 1–4 Weather Summary

Heavy rain (total 23mm), heaviest during Sun night. Low air temperatures (max 6°C on Fri night, min 2°C on Sat morning). Winds decreasing (strong winds from the SSW on Fri afternoon, calm by Sat afternoon).

Days 5–7 Weather Summary

Light rain (total 4mm), mostly falling on Mon afternoon. Icy conditions (max 7°C on Tue afternoon, min -1°C on Thu morning). Winds increasing (calm on Mon night, strong winds from the N by Thu morning).

Days 8–10 Weather Summary

Mostly dry. Temperatures will be below freezing (max -1°C on Sat night, min -7°C on Thu night). Winds decreasing (severe gales from the NNW on Sat morning, fresh winds from the NNW by Sun morning).

Days 11–13 Weather Summary

Mostly dry. Freeze-thaw conditions (max 6°C on Sun night, min 0°C on Sun afternoon). Winds decreasing (fresh winds from the NNW on Sun afternoon, light winds from the SW by Tue night).

Fri
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
Thursday
26
Friday
27
Saturday
28
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
night
Wave Height Map
High Tide
3:21AM1.41m
10:27AM1.63m
3:55AM1.36m
11:04AM1.59m
4:09AM1.31m
11:50AM1.51m
4:14AM1.27m
12:49PM1.38m
4:20AM1.25m
2:05PM1.24m
4:29AM1.27m
3:41PM1.13m
4:44AM1.32m
5:30PM1.09m
5:06AM1.41m
7:18PM1.13m
8:52PM1.23m
6:15AM1.62m
10:09PM1.32m
7:02AM1.73m
11:11PM1.38m
7:54AM1.80m
00:03AM1.41m
8:49AM1.82m
00:50AM1.41m
9:47AM1.80m
Low Tide
6:21PM-0.03m
6:55PM-0.02m
7:29PM0.02m
6:38AM1.26m
8:02PM0.09m
7:48AM1.15m
8:35PM0.19m
9:01AM0.97m
9:10PM0.34m
10:08AM0.75m
9:49PM0.53m
11:10AM0.50m
10:32PM0.74m
12:08PM0.26m
11:20PM0.94m
1:04PM0.03m
00:13AM1.10m
1:58PM-0.15m
1:09AM1.22m
2:53PM-0.28m
2:06AM1.29m
3:48PM-0.35m
3:04AM1.30m
4:41PM-0.36m
4:05AM1.26m
Wave
height (m) 
direction
period (s) 
1.6
S
5
1.9
SSW
5
1.6
W
4
1.4
S
3
1.1
S
3
1
S
4
0.9
S
3
1.1
SSE
4
1.9
S
5
2.4
S
7
2.1
S
4
1.9
S
4
1.7
S
4
1.4
S
4
1.2
S
6
1.1
S
6
1
W
4
1.2
E
6
1.3
E
6
1.2
W
6
1.4
E
7
1.4
E
7
1.6
E
7
1.8
N
5
1.7
N
5
1.3
N
4
0.8
NNW
4
0.6
W
5
0.4
WSW
4
0.4
WSW
3
0.4
WSW
4
0.5
WSW
4
0.4
WSW
4
0.3
WSW
4
0.2
S
3
0.4
SSW
3
0.5
WSW
3
0.8
WNW
5
0.8
NNW
4
0.7
NE
4
0.8
NE
4
0.6
E
5
0.5
E
5
0.4
ENE
4
0.3
SW
4
0.4
SW
4
0.6
ENE
5
cloud
light rain
part cloud
clear
part cloud
light rain
cloud
mod rain
mod rain
light rain
rain showers
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
light snow
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
light snow
cloudy
light rain
some clouds
clear
some clouds
light rain
cloudy
mod rain
mod rain
light rain
rain shwrs
clear
clear
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
light snow
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
light snow
 km/h
45
SSW
40
SSW
20
NNW
5
SE
15
SSE
15
ESE
25
SSE
35
SE
40
SSE
30
S
25
NW
10
S
15
SSW
15
SW
25
SSW
15
SW
30
NNW
50
N
55
N
55
NNW
65
NNW
60
NNW
70
NNW
75
NNW
70
NNW
55
NNW
40
NNW
35
NNW
20
NW
25
NW
30
NW
30
NW
25
NW
15
NW
10
SW
10
WSW
30
W
40
N
40
N
35
N
40
NNE
30
N
25
N
25
NNW
20
WNW
25
WNW
40
N
 mm 
4
2
10
7
3
1
max°C
4
6
2
2
2
4
5
4
4
4
5
6
7
6
6
6
3
0
-2
-2
-5
-4
-3
-4
-3
-1
-1
0
6
2
2
2
0
2
2
3
4
0
-7
-7
-6
-5
-4
-2
-1
1
-1
Moonrise
8:50
9:10
9:24
9:36
9:45
9:53
10:02
10:13
10:28
10:48
11:20
12:11
1:22
2:49
4:21
Moonset
3:52
5:15
6:39
8:03
9:27
10:52
12:19
1:50
3:23
4:54
6:13
7:12
7:51
8:15
Sunrise
9:25
9:22
9:21
9:18
9:17
9:14
9:11
9:10
9:07
9:04
9:03
9:00
8:59
8:56
8:53
Sunset
7:10
7:13
7:15
7:16
7:19
7:21
7:22
7:24
7:27
7:29
7:30
7:32
7:35
7:37
7:38
7:39
Today's sea temperature in Udamat Bay, Sedanka Island, Unalaska Island is
3.6° C
(Statistics for 13 Feb 1981-2005 – mean: 3.8 max: 4.6 min: 2.9°C)
Issued (local time): 2 pm Friday 13 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
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