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 10:04 PM.

Days 1–4 Weather Summary

Mostly dry. Low air temperatures (max 6°C on Wed afternoon, min 3°C on Wed night). Winds decreasing (fresh winds from the SSW on Tue afternoon, calm by Wed morning).

Days 5–7 Weather Summary

A dusting of snow. Milder later with heavy rain (total 30mm) on Fri night. Low air temperatures (max 6°C on Sat morning, min 1°C on Fri night). Winds increasing (moderate winds from the S on Sat night, gales from the WSW by Sun afternoon).

Days 8–10 Weather Summary

Mostly dry. Freeze-thaw conditions (max 2°C on Mon afternoon, min -3°C on Wed night). Winds increasing (light winds from the WNW on Mon night, near gales from the N by Thu morning).

Days 11–13 Weather Summary

Mostly dry. Freeze-thaw conditions (max 1°C on Sat afternoon, min -3°C on Thu afternoon). Winds decreasing (gales from the NNW on Thu night, light winds from the SSW by Sun morning).

Tue
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
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
1:04AM1.15m
1:56PM0.99m
1:18AM1.21m
3:29PM1.03m
1:40AM1.30m
5:06PM1.12m
2:14AM1.40m
6:34PM1.25m
2:59AM1.47m
7:44PM1.37m
8:40PM1.45m
9:28PM1.50m
10:12PM1.51m
7:37AM1.41m
10:52PM1.49m
8:54AM1.31m
11:30PM1.45m
10:12AM1.19m
00:05AM1.41m
11:34AM1.08m
00:35AM1.35m
1:01PM1.00m
1:02AM1.29m
2:33PM0.98m
Low Tide
6:27PM0.38m
7:26AM0.27m
7:02PM0.58m
8:15AM0.03m
7:43PM0.79m
9:08AM-0.19m
8:35PM0.98m
10:05AM-0.37m
9:45PM1.15m
11:04AM-0.50m
11:08PM1.24m
12:06PM-0.57m
00:31AM1.25m
1:06PM-0.59m
1:47AM1.19m
2:06PM-0.55m
2:56AM1.07m
3:03PM-0.46m
4:01AM0.90m
3:57PM-0.31m
5:03AM0.70m
4:48PM-0.12m
6:03AM0.49m
5:37PM0.12m
6:59AM0.29m
6:26PM0.37m
7:50AM0.11m
Wave
height (m) 
direction
period (s) 
0.9
SSE
6
0.9
SSE
6
0.6
SSE
4
0.8
SSE
3
0.7
SSE
4
0.7
SSE
4
0.7
S
4
0.6
S
4
0.5
S
3
0.6
SSE
4
1.5
S
4
2.2
SSW
5
2
SSW
5
1.6
SSW
5
1.7
SSE
6
2.5
SSE
7
2.5
SW
6
1.8
S
7
1.4
S
7
0.9
S
6
0.7
S
4
0.7
SSE
5
0.6
E
4
0.7
NE
4
0.8
NE
4
1.1
NE
5
1.5
ENE
6
1.4
NE
6
1.2
NE
6
1.3
NNW
4
1.2
NNW
4
0.9
NNW
4
0.4
NNE
4
0.5
ENE
5
0.5
SW
5
0.2
SSE
3
0.3
SSE
3
0.4
SSE
3
0.5
S
4
0.5
S
4
0.6
SSE
4
0.5
SE
3
0.6
SSE
5
1.1
SE
4
2
SE
6
2.1
SE
7
2.2
SE
7
cloud
cloud
part cloud
part cloud
clear
cloud
cloud
clear
part cloud
cloud
light snow
rain showers
clear
light rain
mod rain
rain showers
part cloud
part cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
snow showers
cloud
cloud
cloud
light rain
light rain
mod rain
heavy rain
cloudy
cloudy
some clouds
some clouds
clear
cloudy
cloudy
clear
some clouds
cloudy
light snow
rain shwrs
clear
light rain
mod rain
rain shwrs
some clouds
some clouds
cloudy
some clouds
cloudy
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
cloudy
cloudy
some clouds
cloudy
cloudy
some clouds
some clouds
snow shwrs
cloudy
cloudy
cloudy
light rain
light rain
mod rain
heavy rain
 km/h
25
S
25
SSW
5
W
20
SSW
10
S
15
SSW
15
W
10
W
5
WSW
25
S
40
S
45
SSW
35
SSW
30
SSW
30
S
50
SSE
50
WSW
40
W
35
W
15
WNW
15
NNW
20
N
20
N
30
NNE
35
NNE
50
N
60
N
55
N
55
NNW
60
NNW
55
NNW
45
NNW
35
NW
30
NW
30
NW
5
SSW
20
S
15
SSW
5
NNW
5
N
10
N
10
ESE
20
SE
40
ESE
45
ESE
45
ESE
50
ESE
 mm 
17
1
1
9
2
4
4
6
11
max°C
5
4
5
6
4
4
5
4
4
4
5
6
6
5
6
5
2
1
2
2
0
0
-1
-1
-1
-2
-3
-3
-3
-3
-2
-1
0
1
0
0
2
3
4
3
1
2
4
3
3
4
4
Moonrise
7:18
7:28
7:41
7:57
8:23
9:02
10:02
11:21
12:51
2:20
3:46
5:07
6:26
7:43
9:00
Moonset
6:57
8:25
9:56
11:32
1:10
2:43
3:59
4:51
5:24
5:45
5:59
6:10
6:19
6:27
6:35
Sunrise
8:03
8:02
8:00
7:56
7:54
7:52
7:50
7:48
7:46
7:43
7:41
7:39
7:37
7:35
7:33
Sunset
10:04
10:06
10:07
10:08
10:10
10:13
10:15
10:16
10:19
10:21
10:22
10:23
10:25
10:28
10:30
10:31
Today's sea temperature in Udamat Bay, Sedanka Island, Unalaska Island is
2.7° C
(Statistics for 14 Apr 1981-2005 – mean: 4.1 max: 5.1 min: 3.0°C)
Issued (local time): 3 pm Tuesday 14 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest