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 06:58 AM and sunset is at 11:47 PM.

Days 1–3 Weather Summary

Mostly dry. Low air temperatures (max 6°C on Sat afternoon, min 4°C on Sun night). Winds decreasing (fresh winds from the NE on Sat morning, light winds from the WSW by Mon morning).

Days 4–6 Weather Summary

Mostly dry. Low air temperatures (max 8°C on Wed morning, min 5°C on Thu morning). Winds increasing (light winds from the SSW on Tue night, strong winds from the ESE by Thu morning).

Days 7–9 Weather Summary

Heavy rain (total 71mm), heaviest during Sun night. Mild temperatures (max 7°C on Fri morning, min 5°C on Sun afternoon). Winds increasing (fresh winds from the SE on Fri night, gales from the ESE by Sun night).

Days 10–12 Weather Summary

Light rain (total 9mm), mostly falling on Mon afternoon. Mild temperatures (max 8°C on Wed night, min 6°C on Mon morning). Winds decreasing (strong winds from the ESE on Mon morning, light winds from the ESE by Mon night).

Days 13–16 Weather Summary

Light rain (total 2mm), mostly falling on Fri night. Mild temperatures (max 8°C on Sun night, min 6°C on Thu afternoon). Mainly fresh winds.

Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sun
28
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
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High Tide
2:46AM1.32m
3:39AM1.34m
4:40AM1.31m
11:21PM1.05m
11:12PM1.04m
6:59AM1.13m
11:24PM1.04m
8:16AM0.98m
11:43PM1.05m
9:41AM0.83m
00:04AM1.08m
11:17AM0.70m
00:26AM1.11m
1:07PM0.62m
00:49AM1.12m
3:15PM0.63m
1:12AM1.13m
1:34AM1.13m
1:55AM1.12m
2:15AM1.12m
Low Tide
11:12AM-0.40m
12:03PM-0.50m
12:54PM-0.55m
1:45PM-0.53m
00:37AM1.05m
2:33PM-0.46m
2:30AM0.95m
3:19PM-0.34m
3:59AM0.81m
4:01PM-0.18m
5:16AM0.63m
4:41PM0.01m
6:26AM0.45m
5:17PM0.20m
7:28AM0.26m
5:49PM0.40m
8:23AM0.10m
6:13PM0.58m
9:15AM-0.02m
10:03AM-0.12m
10:49AM-0.18m
11:34AM-0.22m
Wave
Height (m)
Direction
Period (s)
1.6
ESE
9
1.5
E
9
1.3
ESE
9
1
E
8
0.8
E
7
0.7
E
7
0.7
E
7
0.6
ENE
7
0.8
ENE
9
0.6
ENE
8
0.6
ESE
9
0.4
SE
16
0.4
SE
18
0.4
SE
18
0.8
ESE
4
1.3
ESE
6
1.4
SE
7
1.4
SSE
10
1.3
SSE
9
1.3
SE
8
1.3
SE
7
1.4
SE
7
1.5
SE
6
1.5
SE
8
1.5
SE
6
1.6
ESE
6
2.5
ESE
8
2.3
ESE
10
2
ESE
10
1.7
ESE
10
1.7
E
10
1.7
E
10
1.5
E
9
1.4
ENE
8
1.2
ENE
8
1.1
ENE
8
1
ENE
7
0.9
SSW
20
0.9
SW
18
0.8
SSW
16
1
S
15
1.2
ENE
8
1.2
NE
7
1.2
ENE
8
1.2
ENE
9
0.9
ENE
8
0.9
ENE
9
cloud
cloud
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
light rain
light rain
light rain
light rain
mod rain
heavy rain
light rain
mod rain
heavy rain
light rain
light rain
light rain
cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
clear
cloud
cloud
light rain
cloud
cloud
part cloud
part cloud
cloud
cloudy
cloudy
clear
clear
clear
some clouds
some clouds
clear
clear
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
cloudy
light rain
light rain
light rain
light rain
mod rain
heavy rain
light rain
mod rain
heavy rain
light rain
light rain
light rain
cloudy
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
clear
clear
cloudy
cloudy
light rain
cloudy
cloudy
some clouds
some clouds
cloudy
km/h
35
NE
30
NE
25
NNE
20
N
15
N
15
NNW
15
WNW
15
WSW
25
SW
20
SW
20
SW
20
SW
20
S
20
SE
35
ESE
40
ESE
40
ESE
40
ESE
35
ESE
40
SE
40
SE
45
SE
45
SE
40
SE
45
SE
50
ESE
65
ESE
45
ESE
30
ESE
15
ESE
30
ENE
30
E
25
NE
20
NE
25
NE
25
NE
20
NE
20
N
20
N
25
NNE
30
N
25
NNE
25
NNW
20
N
15
NNE
15
N
15
NW
1
2
5
2
6
13
4
7
31
1
3
5
2
max °C
5
6
6
5
5
5
5
5
6
6
7
7
8
8
7
5
6
7
7
6
6
6
6
6
6
6
7
7
6
7
7
7
7
7
6
8
7
7
6
6
6
6
6
7
7
7
7
Moonrise
5:14
5:59
7:05
8:31
10:05
11:37
1:04
2:25
3:43
4:59
6:14
7:30
8:45
9:57
11:01
Moonset
11:20
12:36
1:29
2:03
2:25
2:41
2:53
3:03
3:13
3:24
3:36
3:51
4:12
4:41
5:21
Sunrise
6:58
6:58
6:58
6:58
6:58
6:58
6:58
6:58
6:58
6:58
6:58
7:00
7:00
7:00
7:01
7:01
Sunset
11:47
11:49
11:49
11:50
11:50
11:51
11:51
11:51
11:51
11:52
11:52
11:52
11:52
11:52
11:52
11:51
Today's sea temperature in Alcan Harbor, Shemya Island is
5.6° C
(Statistics for 13 Jun 1981-2005 – mean: 5.7 max: 7.1 min: 4.7°C)
Issued (local time): 2 am Saturday 13 Jun 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest