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 09:07 AM and sunset is at 08:38 PM.

Days 1–3 Weather Summary

Moderate rain (total 13mm), heaviest on Sat afternoon. Low air temperatures (max 9°C on Sat morning, min 7°C on Fri morning). Winds increasing (light winds from the NNW on Fri night, strong winds from the SW by Sat night).

Days 4–6 Weather Summary

Light rain (total 8mm), mostly falling on Wed night. Low air temperatures (max 9°C on Mon morning, min 6°C on Mon night). Winds increasing (calm on Wed morning, strong winds from the SSE by Wed night).

Days 7–9 Weather Summary

Heavy rain (total 71mm), heaviest during Thu morning. Very mild (max 11°C on Thu morning, min 5°C on Sat night). Winds decreasing (severe gales from the WSW on Thu afternoon, moderate winds from the WNW by Sat night).

Days 10–12 Weather Summary

Heavy rain (total 30mm), heaviest during Tue night. Mild temperatures (max 9°C on Mon night, min 5°C on Sun morning). Mainly near gales.

Days 13–16 Weather Summary

Light rain (total 6mm), mostly falling on Wed morning. Mild temperatures (max 8°C on Wed morning, min 5°C on Wed night). Mainly gales.

Friday
2
Saturday
3
Sunday
4
Monday
5
Tuesday
6
Wednesday
7
Thursday
8
Friday
9
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Sat
17
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
10:16AM1.45m
7:01PM1.53m
10:58AM1.45m
8:09PM1.54m
11:36AM1.43m
9:17PM1.50m
12:12PM1.39m
10:27PM1.41m
12:45PM1.35m
11:42PM1.29m
1:16PM1.31m
1:04AM1.18m
1:45PM1.28m
2:36AM1.12m
2:12PM1.25m
4:14AM1.13m
2:38PM1.22m
5:48AM1.23m
3:03PM1.19m
7:06AM1.35m
3:28PM1.17m
8:05AM1.47m
3:58PM1.16m
8:54AM1.55m
4:42PM1.15m
9:36AM1.58m
5:42PM1.16m
10:16AM1.58m
Low Tide
2:13PM1.23m
2:50AM-0.42m
3:09PM1.16m
3:45AM-0.38m
4:07PM1.04m
4:37AM-0.28m
5:05PM0.89m
5:27AM-0.12m
6:06PM0.71m
6:16AM0.08m
7:08PM0.51m
7:05AM0.31m
8:08PM0.32m
7:58AM0.55m
9:05PM0.16m
9:00AM0.78m
9:58PM0.03m
10:19AM0.97m
10:48PM-0.06m
11:55AM1.09m
11:36PM-0.10m
1:33PM1.13m
00:23AM-0.11m
2:47PM1.14m
1:09AM-0.10m
3:30PM1.14m
1:55AM-0.08m
3:58PM1.12m
Wave
Height (m)
Direction
Period (s)
1.6
E
6
1.3
E
4
1
E
4
0.8
SE
4
1.1
SE
6
1
S
4
1.5
SSW
5
1.6
SW
5
1.2
SSW
4
1.1
WSW
5
1.1
WSW
5
0.9
WSW
5
0.8
WSW
5
0.8
W
5
0.6
W
4
0.4
SW
3
0.4
S
5
0.9
S
4
1.7
SSE
5
3
SSE
8
4
SW
8
3.5
SW
6
3
WSW
7
2.3
WSW
6
2
WSW
6
1.7
WSW
7
1.1
WSW
4
1.1
WSW
5
1.1
WSW
5
1
WSW
6
0.9
WSW
6
0.9
WSW
5
0.8
SW
5
1.7
SSW
5
1.6
SSW
5
1.7
S
6
1.9
SE
7
1.9
WSW
6
1.3
SW
6
0.8
ESE
3
1.2
ENE
6
1.4
WSW
6
1.4
WSW
7
1.1
WSW
6
0.8
WSW
6
0.5
WSW
4
0.5
W
4
light rain
cloud
part cloud
cloud
rain showers
light rain
rain showers
part cloud
rain showers
part cloud
cloud
rain showers
part cloud
part cloud
clear
cloud
cloud
mod rain
heavy rain
mod rain
mod rain
light rain
mod rain
mod rain
mod rain
light rain
light rain
cloud
part cloud
part cloud
part cloud
cloud
rain showers
light rain
light rain
heavy rain
light rain
light rain
rain showers
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
light rain
cloudy
some clouds
cloudy
rain shwrs
light rain
rain shwrs
some clouds
rain shwrs
some clouds
cloudy
rain shwrs
some clouds
some clouds
clear
cloudy
cloudy
mod rain
heavy rain
mod rain
mod rain
light rain
mod rain
mod rain
mod rain
light rain
light rain
cloudy
some clouds
some clouds
some clouds
cloudy
rain shwrs
light rain
light rain
heavy rain
light rain
light rain
rain shwrs
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
km/h
25
NE
15
N
10
N
20
S
35
SSE
25
SSW
20
SW
40
WSW
25
W
20
W
35
NW
30
WNW
35
NW
40
NW
25
NW
5
W
20
S
35
SSE
50
SSE
55
S
80
SW
60
W
70
W
55
W
50
W
40
W
35
NW
45
WNW
40
WNW
35
W
30
W
30
WNW
30
SSW
45
SSW
40
S
40
SSE
15
E
50
NNW
40
WNW
10
NNE
50
NNW
55
NW
60
NW
50
NW
35
NW
15
WNW
10
NW
 mm
2
—
—
—
7
1
2
—
1
—
—
1
—
—
—
—
—
7
20
8
9
5
6
9
7
3
4
—
—
—
—
—
3
3
2
20
4
3
1
—
—
—
—
—
—
—
—
max °C
8
8
7
9
9
9
9
9
8
9
9
7
7
8
7
6
8
9
11
10
8
8
8
8
7
6
6
6
6
6
7
7
9
9
9
9
8
8
6
5
5
5
6
6
5
5
6
Moonrise
—
—
11:50
—
—
—
1:15
—
—
2:46
—
—
4:16
—
—
5:43
—
—
7:07
—
—
8:29
—
—
9:50
—
—
11:12
—
—
12:33
—
—
1:51
—
—
—
3:03
—
—
4:04
—
—
4:49
—
—
5:21
Moonset
—
5:34
—
—
6:15
—
—
6:42
—
—
7:00
—
—
7:13
—
—
7:23
—
—
7:32
—
—
7:42
—
—
7:52
—
—
8:04
—
—
8:21
—
—
8:44
—
—
—
9:17
—
—
10:04
—
—
11:04
—
—
Sunrise
9:07
—
—
9:08
—
—
9:11
—
—
9:12
—
—
9:15
—
—
9:17
—
—
9:18
—
—
9:19
—
—
9:22
—
—
9:23
—
—
9:26
—
—
9:27
—
—
9:30
—
—
9:32
—
—
9:33
—
—
9:34
—
Sunset
—
8:38
—
—
8:36
—
—
8:34
—
—
8:31
—
—
8:29
—
—
8:27
—
—
8:23
—
—
8:22
—
—
8:20
—
—
8:16
—
—
8:15
—
—
8:12
—
—
8:09
—
—
8:07
—
—
8:05
—
—
8:02
Today's sea temperature in Udamat Bay, Sedanka Island, Unalaska Island is
7.9°C
(Statistics for 02 Oct 1981-2005 – mean: 8.8 max: 9.7 min: 7.9°C)
Issued (local time): 3 am Friday 02 Oct 2026
Forecast update inUpdates in  hr  min  sUpdate imminent 
Nearest locationNearest