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 10:31 PM.

Days 1–4 Weather Summary

Light rain (total 4mm), mostly falling on Sun afternoon. Cool air temperatures (max 12°C on Sun afternoon, min 10°C on Mon night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Cool air temperatures (max 11°C on Wed afternoon, min 9°C on Thu night). Wind will be generally light.

Days 8–10 Weather Summary

Some drizzle, heaviest during Mon afternoon. Very mild (max 12°C on Mon morning, min 8°C on Sat night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Very mild (max 11°C on Tue afternoon, min 6°C on Thu night). Mainly fresh winds.

Days 14–17 Weather Summary

Moderate rain (total 10mm), heaviest on Sun morning. Very mild (max 12°C on Mon morning, min 7°C on Fri night). Winds increasing (calm on Fri night, fresh winds from the S by Sat night).

Sun
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
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
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
7:07PM1.30m
8:38AM1.10m
7:43PM1.30m
9:58AM1.17m
8:19PM1.30m
11:07AM1.25m
8:54PM1.30m
12:09PM1.30m
9:26PM1.32m
1:05PM1.31m
9:57PM1.34m
2:00PM1.30m
10:26PM1.37m
2:52PM1.26m
10:56PM1.38m
3:38PM1.21m
11:29PM1.36m
4:14PM1.16m
00:06AM1.31m
4:35PM1.10m
00:53AM1.23m
4:46PM1.06m
1:54AM1.12m
4:54PM1.04m
3:12AM1.02m
5:03PM1.05m
4:47AM0.95m
Low Tide
1:51AM0.10m
1:38PM0.60m
2:44AM-0.05m
2:40PM0.77m
3:33AM-0.14m
3:39PM0.90m
4:20AM-0.18m
4:30PM1.01m
5:05AM-0.19m
5:11PM1.09m
5:48AM-0.17m
5:42PM1.14m
6:29AM-0.15m
6:05PM1.16m
7:08AM-0.12m
6:29PM1.14m
7:44AM-0.09m
7:02PM1.09m
8:19AM-0.03m
7:51PM1.01m
8:51AM0.05m
8:51PM0.89m
9:25AM0.17m
9:53PM0.73m
10:00AM0.32m
10:51PM0.54m
10:38AM0.49m
Wave
Height (m)
Direction
Period (s)
1.1
S
4
1
S
4
0.9
S
3
1
S
4
0.9
S
5
0.9
S
5
0.8
S
4
0.8
S
3
0.6
S
3
0.6
S
3
0.5
S
3
0.4
SSE
3
0.4
SSE
3
0.3
SSE
3
0.4
SSE
4
0.6
S
4
0.5
S
4
0.4
SSE
3
0.4
SE
3
0.3
SSW
3
0.3
SSE
3
0.4
SE
3
0.3
SSE
3
0.4
SSE
4
0.4
SSE
3
0.6
SSE
4
0.6
S
4
0.6
S
4
0.6
S
6
0.6
WSW
4
0.7
WSW
4
0.7
WSW
4
0.6
WSW
4
0.6
W
4
0.7
W
5
0.6
W
4
0.5
W
3
0.4
W
3
0.4
S
3
0.5
S
4
0.6
S
4
1
S
4
1.2
SSE
5
1.1
S
5
1
S
3
0.8
S
3
0.7
SE
4
rain showers
clear
part cloud
cloud
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
light rain
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
mod rain
light rain
part cloud
part cloud
part cloud
part cloud
rain shwrs
clear
some clouds
cloudy
light rain
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
cloudy
light rain
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
mod rain
light rain
some clouds
some clouds
some clouds
some clouds
km/h
20
WSW
10
W
0
NNW
20
S
25
S
15
S
0
WSW
5
NNW
10
WNW
10
WNW
10
WNW
10
NW
5
NNW
5
SSW
15
SSW
25
SSW
15
NNW
10
NW
5
WNW
10
WNW
5
NW
5
NNE
10
SSE
5
SSW
10
S
15
SSW
10
WSW
25
W
20
W
20
WNW
25
WNW
30
NW
25
NW
30
NW
30
NNW
25
NNW
15
NNW
10
NW
5
SSE
25
S
30
S
25
SSE
25
SSE
25
S
10
WSW
5
SSW
15
SSW
 mm
1
3
1
7
3
max °C
12
12
11
12
10
11
12
11
11
11
10
10
10
10
11
11
11
10
11
9
9
9
11
12
12
12
12
11
10
10
10
9
9
9
8
7
9
8
9
10
10
11
11
11
12
12
10
Moonrise
2:38
3:58
5:16
6:29
7:32
8:20
8:54
9:18
9:35
9:48
9:58
10:07
10:16
10:25
10:37
Moonset
11:26
11:38
11:53
12:14
12:44
1:27
2:25
3:35
4:52
6:12
7:32
8:52
10:13
11:35
12:59
Sunrise
7:46
7:48
7:48
7:50
7:52
7:54
7:56
7:58
8:00
8:02
8:03
8:04
8:07
8:08
8:11
Sunset
10:31
10:30
10:28
10:24
10:22
10:21
10:19
10:15
10:14
10:12
10:08
10:07
10:05
10:01
10:00
9:57
Today's sea temperature in Udamat Bay, Sedanka Island, Unalaska Island is
8.3° C
(Statistics for 16 Aug 1981-2005 – mean: 10.2 max: 11.6 min: 8.6°C)
Issued (local time): 3 pm Sunday 16 Aug 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest