Alcan Harbor, Shemya Island Sea Conditions and Tide Table

Alcan Harbor, Shemya 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

Heavy rain (total 30mm), heaviest during Wed morning. Cool air temperatures (max 11°C on Mon afternoon, min 10°C on Sun afternoon). Winds increasing (light winds from the SSW on Mon night, strong winds from the S by Wed morning).

Days 5–7 Weather Summary

Light rain (total 3mm), mostly falling on Sat morning. Cool air temperatures (max 12°C on Fri afternoon, min 9°C on Fri night). Winds decreasing (near gales from the WSW on Wed night, calm by Fri afternoon).

Days 8–10 Weather Summary

Light rain (total 3mm), mostly falling on Sat afternoon. Very mild (max 11°C on Sun morning, min 9°C on Sat afternoon). Winds decreasing (strong winds from the SSE on Sat afternoon, calm by Tue morning).

Days 11–13 Weather Summary

Light rain (total 7mm), mostly falling on Tue night. Very mild (max 10°C on Tue afternoon, min 7°C on Wed night). Winds increasing (calm on Wed night, fresh winds from the WSW by Fri afternoon).

Days 14–17 Weather Summary

Light rain (total 7mm), mostly falling on Sat night. Very mild (max 10°C on Fri afternoon, min 9°C on Sat afternoon). Winds increasing (light winds from the SW on Fri night, strong winds from the E by Sat night).

Sun
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
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
1:01AM1.00m
1:50AM0.97m
2:53AM0.91m
8:49PM0.81m
8:38PM0.79m
8:33PM0.78m
6:58AM0.77m
8:31PM0.79m
8:17AM0.75m
8:31PM0.81m
9:32AM0.75m
8:36PM0.87m
10:47AM0.76m
8:49PM0.95m
12:05PM0.76m
9:11PM1.04m
1:35PM0.76m
9:43PM1.11m
10:25PM1.16m
11:15PM1.17m
Low Tide
10:24AM-0.10m
11:13AM-0.09m
11:58AM-0.05m
11:55PM0.77m
12:37PM0.00m
1:00AM0.67m
1:13PM0.09m
1:45AM0.53m
1:46PM0.20m
2:24AM0.38m
2:17PM0.32m
3:02AM0.21m
2:44PM0.45m
3:42AM0.05m
3:07PM0.58m
4:25AM-0.09m
3:23PM0.68m
5:13AM-0.20m
3:27PM0.74m
6:05AM-0.27m
7:02AM-0.30m
8:02AM-0.28m
Wave
Height (m)
Direction
Period (s)
0.9
SE
10
0.8
SE
18
0.9
SE
15
0.9
SE
14
0.9
SE
13
0.8
SE
13
0.9
SE
12
1.1
SE
12
1.4
SE
9
1.4
SSE
8
1.5
SSE
8
1.4
SSE
8
1.9
W
8
2
N
10
1.6
NNE
10
1.5
NE
10
1.3
ENE
10
1.2
ESE
10
1.5
ESE
8
1.1
ESE
9
1.1
SSE
8
0.9
SSE
10
0.9
SSE
10
0.7
SSE
11
0.7
ESE
9
0.6
ESE
9
0.5
NNE
8
0.5
ESE
10
0.5
ESE
9
0.7
NE
5
0.8
NE
5
1
NE
8
0.9
NE
8
0.9
NE
8
0.7
NE
8
0.8
NNE
7
0.9
NNE
6
0.7
NW
7
0.6
WNW
8
0.7
SSE
11
1.3
ESE
5
1.5
ESE
7
1.5
SE
8
1.2
SE
8
1.1
SE
9
1
SSE
9
0.9
SE
9
cloud
cloud
cloud
cloud
cloud
cloud
light rain
heavy rain
heavy rain
cloud
cloud
cloud
part cloud
clear
clear
part cloud
rain showers
light rain
light rain
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
cloud
mod rain
cloud
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
light rain
light rain
cloud
cloud
cloud
cloud
cloud
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
light rain
heavy rain
heavy rain
cloudy
cloudy
cloudy
some clouds
clear
clear
some clouds
rain shwrs
light rain
light rain
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
clear
cloudy
mod rain
cloudy
clear
clear
clear
some clouds
some clouds
clear
clear
some clouds
cloudy
cloudy
light rain
light rain
cloudy
cloudy
cloudy
cloudy
cloudy
km/h
25
SW
20
WSW
20
WSW
15
WSW
15
SSW
15
S
25
SSE
40
S
50
S
40
SSW
50
SW
50
WSW
50
WNW
25
NW
15
NNW
0
S
20
SSE
40
SE
45
SSE
30
SSW
35
WSW
25
SW
30
WSW
10
WNW
15
NW
10
NW
5
NNE
15
ESE
15
NE
25
NNE
20
NE
5
ENE
25
WSW
20
WSW
15
W
25
WSW
35
WSW
15
WSW
15
SE
30
ESE
45
E
40
E
30
ENE
25
NE
20
NE
20
ENE
10
SE
 mm
1
18
11
1
2
3
7
3
4
max °C
10
10
10
11
11
11
11
11
11
11
10
11
10
11
11
12
11
9
9
10
11
10
11
11
10
10
10
10
10
10
8
8
8
9
10
10
10
10
10
9
10
10
9
9
9
9
10
Moonrise
9:07
9:32
9:50
10:04
10:16
10:26
10:36
10:47
11:00
11:18
11:43
12:21
1:17
2:33
4:02
Moonset
4:06
5:22
6:40
7:58
9:17
10:36
11:56
1:19
2:46
4:15
5:40
6:54
7:49
8:27
8:52
Sunrise
8:19
8:22
8:22
8:25
8:26
8:27
8:30
8:32
8:33
8:34
8:37
8:38
8:40
8:41
8:44
Sunset
10:31
10:30
10:28
10:25
10:22
10:21
10:19
10:15
10:14
10:12
10:09
10:07
10:05
10:02
10:00
9:58
Today's sea temperature in Alcan Harbor, Shemya Island is
11.0°C
(Statistics for 23 Aug 1981-2005 – mean: 9.7 max: 11.4 min: 8.5°C)
Issued (local time): 2 pm Sunday 23 Aug 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest