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 08:32 AM and sunset is at 09:28 PM.

Days 1–3 Weather Summary

Moderate rain (total 18mm), heaviest on Mon morning. Cool air temperatures (max 13°C on Sat afternoon, min 10°C on Mon night). Winds decreasing (fresh winds from the S on Sun night, light winds from the SW by Mon night).

Days 4–6 Weather Summary

Some drizzle, heaviest during Tue morning. Cool air temperatures (max 12°C on Tue afternoon, min 9°C on Wed night). Wind will be generally light.

Days 7–9 Weather Summary

Moderate rain (total 13mm), heaviest on Fri afternoon. Very mild (max 10°C on Fri morning, min 9°C on Fri afternoon). Winds decreasing (near gales from the ESE on Fri afternoon, calm by Sun night).

Days 10–12 Weather Summary

Light rain (total 4mm), mostly falling on Mon night. Very mild (max 10°C on Mon morning, min 8°C on Tue afternoon). Winds increasing (calm on Mon morning, strong winds from the NNW by Wed morning).

Days 13–16 Weather Summary

Light rain (total 5mm), mostly falling on Thu afternoon. Very mild (max 12°C on Fri afternoon, min 8°C on Sat morning). Winds decreasing (gales from the SW on Thu afternoon, light winds from the W by Sun night).

Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sun
27
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
PM
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
4:39PM1.16m
6:18AM1.13m
5:16PM1.16m
7:43AM1.21m
5:54PM1.15m
8:53AM1.31m
6:34PM1.15m
9:52AM1.39m
7:16PM1.17m
10:43AM1.43m
7:58PM1.20m
11:30AM1.43m
8:39PM1.23m
12:14PM1.39m
9:18PM1.26m
12:54PM1.33m
9:56PM1.26m
1:29PM1.25m
10:36PM1.25m
1:55PM1.18m
11:21PM1.20m
2:13PM1.11m
00:14AM1.13m
2:23PM1.07m
1:20AM1.06m
2:31PM1.06m
2:42AM1.01m
2:41PM1.09m
Low Tide
10:22AM0.47m
11:18PM0.17m
11:30AM0.66m
00:15AM0.03m
12:44PM0.80m
1:08AM-0.06m
1:56PM0.90m
1:57AM-0.11m
2:58PM0.97m
2:44AM-0.13m
3:47PM1.01m
3:30AM-0.12m
4:26PM1.04m
4:15AM-0.10m
4:57PM1.06m
4:57AM-0.07m
5:23PM1.05m
5:36AM-0.03m
5:49PM1.00m
6:12AM0.03m
6:19PM0.92m
6:45AM0.12m
6:55PM0.81m
7:16AM0.24m
7:38PM0.66m
7:48AM0.39m
8:25PM0.48m
8:22AM0.56m
Wave
Height (m)
Direction
Period (s)
0.8
SSE
5
0.9
SSE
6
0.8
SSE
6
0.7
SSE
5
0.6
SSE
5
0.9
S
4
1.1
S
5
1.5
SSE
5
1.1
S
4
1
WSW
4
0.9
WSW
4
0.7
SSE
4
0.6
SE
4
0.6
SE
3
0.6
SSE
4
0.5
SSE
4
0.5
SSE
4
0.4
SSE
3
0.5
SSE
3
1.3
SE
4
1.4
SE
5
1.2
SSE
3
1.1
ESE
4
0.8
SE
3
0.5
ESE
3
0.5
SE
3
0.4
SSE
4
0.3
SSE
3
0.4
SE
3
0.4
SE
3
0.5
E
3
0.7
E
4
0.8
ENE
6
0.8
WSW
6
0.6
WSW
5
0.3
SSE
4
0.9
SSW
3
2.1
SSW
5
2.5
SW
6
2.1
SW
6
1.6
SW
6
1.1
S
5
1.6
WSW
6
1.3
WSW
5
0.6
SW
4
0.5
SSW
4
0.6
SSW
4
light rain
cloud
cloud
cloud
light rain
light rain
heavy rain
light rain
light rain
rain showers
part cloud
cloud
part cloud
clear
part cloud
part cloud
cloud
part cloud
cloud
mod rain
rain showers
part cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
light rain
light rain
part cloud
clear
clear
part cloud
cloud
light rain
light rain
clear
clear
clear
rain showers
clear
clear
part cloud
cloud
part cloud
light rain
cloudy
cloudy
cloudy
light rain
light rain
heavy rain
light rain
light rain
rain shwrs
some clouds
cloudy
some clouds
clear
some clouds
some clouds
cloudy
some clouds
cloudy
mod rain
rain shwrs
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
cloudy
cloudy
light rain
light rain
some clouds
clear
clear
some clouds
cloudy
light rain
light rain
clear
clear
clear
rain shwrs
clear
clear
some clouds
cloudy
some clouds
km/h
15
SSW
20
SSW
25
S
20
S
25
S
25
S
30
SSE
25
S
15
SSW
25
NW
25
NW
10
WNW
0
NNE
10
SE
10
SW
10
SW
15
SSW
15
S
25
SSE
45
SE
20
SSE
15
N
20
NE
5
W
5
NNW
5
SE
5
SSW
5
N
5
SE
10
NE
20
NNE
30
N
40
NNW
40
NNW
35
NW
10
SW
40
SSW
65
SSW
65
WSW
50
WSW
35
SW
15
SSW
55
WNW
45
WNW
15
WSW
15
SW
20
W
 mm
1
1
1
11
2
2
1
7
6
2
1
2
3
1
max °C
12
13
13
13
13
12
11
11
11
11
12
11
10
10
10
11
12
10
10
9
10
10
10
10
10
10
10
10
10
10
9
9
8
8
10
9
9
11
11
11
12
11
9
9
9
10
10
Moonrise
10:52
12:14
1:35
2:56
4:12
5:19
6:14
6:54
7:21
7:41
7:55
8:06
8:16
8:25
8:34
8:45
Moonset
9:33
9:44
9:58
10:17
10:43
11:21
12:13
1:18
2:33
3:51
5:11
6:31
7:52
9:14
10:39
Sunrise
8:32
8:33
8:34
8:37
8:38
8:41
8:42
8:44
8:45
8:48
8:49
8:51
8:52
8:55
8:56
8:59
Sunset
9:28
9:25
9:22
9:21
9:17
9:15
9:13
9:10
9:07
9:06
9:02
9:00
8:59
8:55
8:53
8:51
Today's sea temperature in Udamat Bay, Sedanka Island, Unalaska Island is
8.1°C
(Statistics for 12 Sep 1981-2005 – mean: 9.8 max: 11.0 min: 9.2°C)
Issued (local time): 3 am Saturday 12 Sep 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest