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 11:00 PM.

Days 1–4 Weather Summary

Light rain (total 9mm), mostly falling on Fri night. Low air temperatures (max 5°C on Sat morning, min 4°C on Fri night). Winds decreasing (strong winds from the WSW on Sat afternoon, light winds from the WSW by Mon afternoon).

Days 5–7 Weather Summary

Moderate rain (total 10mm), heaviest on Wed night. Low air temperatures (max 6°C on Tue afternoon, min 3°C on Wed afternoon). Winds increasing (calm on Tue afternoon, fresh winds from the W by Thu afternoon).

Days 8–10 Weather Summary

Light rain (total 2mm), mostly falling on Sat night. Mild temperatures (max 6°C on Fri afternoon, min 3°C on Sat night). Winds decreasing (fresh winds from the WNW on Thu night, calm by Sun morning).

Days 11–13 Weather Summary

Moderate rain (total 19mm), heaviest on Sun night. Mild temperatures (max 7°C on Mon afternoon, min 3°C on Sun night). Winds decreasing (near gales from the SE on Sun night, light winds from the NW by Wed night).

Days 14–17 Weather Summary

Light rain (total 6mm), mostly falling on Fri morning. Mild temperatures (max 7°C on Wed night, min 5°C on Thu night). Winds increasing (calm on Thu morning, fresh winds from the S by Sat afternoon).

Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sun
31
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
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High Tide
00:40AM1.58m
5:55PM1.26m
1:26AM1.64m
6:52PM1.39m
2:22AM1.65m
7:36PM1.48m
8:17PM1.53m
8:57PM1.55m
9:34PM1.56m
7:36AM1.22m
10:10PM1.55m
9:05AM1.08m
10:44PM1.52m
10:37AM0.97m
11:16PM1.47m
12:12PM0.93m
11:42PM1.41m
1:50PM0.97m
00:04AM1.35m
3:27PM1.07m
00:17AM1.30m
4:56PM1.20m
00:20AM1.28m
6:09PM1.33m
00:05AM1.29m
Low Tide
8:50AM-0.57m
7:35PM1.25m
9:47AM-0.68m
9:11PM1.34m
10:46AM-0.73m
10:52PM1.35m
11:45AM-0.72m
00:24AM1.26m
12:43PM-0.65m
1:46AM1.09m
1:40PM-0.52m
2:59AM0.87m
2:34PM-0.34m
4:05AM0.61m
3:25PM-0.10m
5:06AM0.35m
4:15PM0.16m
6:01AM0.12m
5:04PM0.44m
6:50AM-0.07m
5:54PM0.71m
7:35AM-0.20m
6:48PM0.94m
8:16AM-0.27m
7:54PM1.13m
8:54AM-0.30m
9:26PM1.26m
9:30AM-0.29m
Wave
Height (m)
Direction
Period (s)
2.3
S
6
1.8
S
4
1.7
S
6
1.5
SW
5
1.3
SSW
4
1.5
SSW
5
1.3
SSW
5
1
S
5
0.9
S
5
1
S
5
1.1
S
5
0.9
S
5
1
SSW
5
0.9
S
5
1
S
4
0.9
S
4
1
S
5
1
S
4
1.1
SSW
6
0.9
SSW
5
0.9
WSW
4
0.6
S
4
0.5
S
3
0.5
S
4
0.5
W
3
0.4
WSW
3
0.4
SSE
4
1.1
SE
4
1.9
SE
6
1.5
S
5
1.5
S
6
1.6
S
6
1.5
S
5
1.5
S
4
1.2
W
5
0.9
W
4
0.6
SSW
3
0.5
S
3
0.5
S
3
0.4
SSE
4
0.5
SSE
4
0.9
SE
4
0.8
SSE
4
1
S
5
1.2
SSW
4
1.4
SSW
4
1.2
SW
4
mod rain
light rain
light rain
rain showers
part cloud
clear
part cloud
cloud
part cloud
light rain
part cloud
part cloud
part cloud
cloud
light rain
rain showers
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
rain showers
part cloud
cloud
heavy rain
light rain
clear
part cloud
light rain
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
light rain
light rain
part cloud
clear
part cloud
light rain
cloud
mod rain
light rain
light rain
rain shwrs
some clouds
clear
some clouds
cloudy
some clouds
light rain
some clouds
some clouds
some clouds
cloudy
light rain
rain shwrs
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
cloudy
cloudy
rain shwrs
some clouds
cloudy
heavy rain
light rain
clear
some clouds
light rain
cloudy
some clouds
clear
clear
clear
clear
clear
some clouds
light rain
light rain
some clouds
clear
some clouds
light rain
cloudy
km/h
35
S
15
SSW
35
WSW
30
SW
30
SSW
40
SW
30
SSW
20
S
20
SSW
25
S
20
SSW
5
W
15
SW
25
SSW
30
S
20
SSW
25
SW
25
W
20
WNW
25
WNW
25
WNW
20
WSW
10
WSW
5
W
20
NW
10
NW
15
SSE
45
SE
40
SE
20
SSW
30
SSW
30
SSW
20
S
20
NNE
30
NNW
20
NNW
10
WSW
5
NW
5
SE
15
SSE
25
SE
25
SE
10
WSW
25
SSW
40
S
35
SSW
30
SW
6
1
1
1
1
3
6
2
14
3
2
2
2
2
max °C
4
5
4
4
5
5
4
4
5
5
5
6
6
4
4
5
5
6
5
5
6
6
4
5
4
4
4
4
6
7
6
4
5
5
6
7
7
7
7
7
5
6
6
6
7
6
5
Moonrise
6:21
6:53
7:46
9:00
10:30
12:03
1:32
2:56
4:16
5:33
6:49
8:06
9:24
10:40
11:52
Moonset
10:32
12:10
1:37
2:42
3:23
3:49
4:06
4:18
4:27
4:36
4:44
4:54
5:05
5:20
5:40
6:10
Sunrise
7:01
6:58
6:58
6:56
6:54
6:52
6:52
6:50
6:48
6:48
6:47
6:46
6:43
6:43
6:41
6:41
Sunset
11:00
11:01
11:02
11:05
11:06
11:07
11:09
11:10
11:13
11:14
11:15
11:16
11:17
11:20
11:21
11:22
Today's sea temperature in Udamat Bay, Sedanka Island, Unalaska Island is
4.0° C
(Statistics for 15 May 1981-2005 – mean: 5.4 max: 6.3 min: 4.5°C)
Issued (local time): 9 pm Friday 15 May 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest