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 09:53 PM.

Days 1–4 Weather Summary

A dusting of snow turning to light rain (total 9mm) on Wed night. Air temperatures will be slightly above freezing (max 3°C on Wed night, min 1°C on Tue afternoon). Winds increasing (calm on Tue night, strong winds from the SSE by Wed night).

Days 5–7 Weather Summary

Moderate rain (total 14mm), heaviest on Sat morning. Air temperatures will be slightly above freezing (max 4°C on Sat morning, min 2°C on Thu afternoon). Winds increasing (calm on Thu night, near gales from the SE by Fri night).

Days 8–10 Weather Summary

Light rain (total 7mm), mostly falling on Tue night. Temperatures will be slightly above freezing (max 4°C on Sun afternoon, min 2°C on Tue morning). Winds increasing (light winds from the E on Sun afternoon, gales from the SSE by Tue night).

Days 11–13 Weather Summary

Light rain (total 9mm), mostly falling on Fri night. Mild temperatures (max 5°C on Sat morning, min 2°C on Wed afternoon). Winds decreasing (gales from the SSW on Wed afternoon, moderate winds from the SSW by Fri afternoon).

Mon
30
Tuesday
31
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
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
High Tide
4:21PM0.74m
5:50AM0.78m
6:02PM0.72m
6:14AM0.79m
7:29PM0.74m
6:36AM0.80m
8:43PM0.79m
6:57AM0.81m
9:47PM0.82m
7:16AM0.82m
10:45PM0.85m
7:36AM0.83m
11:41PM0.85m
7:57AM0.85m
00:37AM0.84m
8:22AM0.87m
1:39AM0.81m
8:51AM0.88m
2:50AM0.79m
9:26AM0.89m
4:03AM0.77m
10:07AM0.87m
4:30AM0.75m
10:59AM0.82m
4:35AM0.72m
12:14PM0.75m
4:36AM0.70m
2:02PM0.67m
Low Tide
11:05PM0.16m
11:58AM0.29m
00:00AM0.29m
12:50PM0.14m
00:52AM0.41m
1:35PM0.01m
1:43AM0.52m
2:14PM-0.09m
2:30AM0.61m
2:52PM-0.15m
3:12AM0.68m
3:30PM-0.19m
3:46AM0.73m
4:08PM-0.20m
4:11AM0.77m
4:49PM-0.20m
4:27AM0.78m
5:32PM-0.18m
4:38AM0.78m
6:17PM-0.15m
7:03PM-0.10m
6:19AM0.74m
7:50PM-0.04m
8:03AM0.68m
8:38PM0.05m
9:29AM0.56m
Wave
height (m) 
direction
period (s) 
0.9
ESE
8
1
ENE
6
1.1
ENE
6
1.2
ENE
7
1
ENE
7
0.8
E
8
1
E
6
1.3
ESE
6
1.4
ESE
8
1.2
SE
9
1
SE
10
0.9
SE
9
0.8
ESE
8
1.7
ESE
6
2
ESE
9
1.6
ESE
9
1.4
ESE
8
1.3
E
8
1.3
E
8
1.3
E
8
1.2
E
9
1.2
E
9
1.1
E
8
1.3
ESE
7
1.6
SE
6
2.2
SE
8
1.7
SE
8
1.7
S
8
1.5
SSW
12
1.3
WSW
11
1.1
SW
10
0.9
WSW
10
0.8
WSW
8
0.8
S
12
0.6
SSE
13
1
S
4
1.5
S
6
1.4
SSE
7
1.7
SSE
8
1.5
SSE
11
1.2
SSE
12
1.2
SSE
11
1.1
SSE
10
1.3
SSE
10
1.1
SE
10
1.1
SE
10
1.4
SE
7
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
light snow
rain showers
cloud
light rain
part cloud
cloud
light rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
mod rain
cloud
cloud
part cloud
clear
part cloud
clear
part cloud
cloud
light rain
light rain
light rain
mod rain
light rain
cloud
cloud
cloud
rain showers
part cloud
cloud
cloud
mod rain
cloudy
cloudy
cloudy
cloudy
some clouds
cloudy
cloudy
light snow
rain shwrs
cloudy
light rain
some clouds
cloudy
light rain
light rain
light rain
light rain
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
mod rain
cloudy
cloudy
some clouds
clear
some clouds
clear
some clouds
cloudy
light rain
light rain
light rain
mod rain
light rain
cloudy
cloudy
cloudy
rain shwrs
some clouds
cloudy
cloudy
mod rain
 km/h
25
NE
30
NNE
30
N
30
N
20
NNW
10
SE
35
SSE
45
SE
30
SW
30
SSW
20
SW
15
ESE
25
SE
60
ESE
50
SE
30
SE
15
SE
20
ESE
20
E
20
ESE
20
ESE
25
SSE
30
SSE
40
SSE
50
SE
65
SSE
55
SSW
60
SSW
50
SSW
40
SSW
35
SSW
35
SSW
30
SW
30
SW
30
S
40
S
55
SSW
50
S
55
S
40
SSW
25
SSW
20
SSE
20
SW
40
SW
25
S
30
SE
50
S
 mm 
6
3
1
2
4
4
3
7
3
4
3
10
1
4
6
max°C
2
2
2
2
1
1
2
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
3
3
4
3
3
3
3
3
3
3
2
4
5
4
5
5
4
4
4
4
4
3
4
5
Moonrise
7:44
9:02
10:19
11:35
12:52
2:09
3:22
4:28
5:21
6:00
6:29
6:49
7:04
7:17
7:27
Moonset
8:29
8:38
8:48
9:00
9:15
9:35
10:03
10:42
11:36
12:42
1:57
3:16
4:36
5:58
7:21
Sunrise
9:00
8:57
8:55
8:52
8:51
8:48
8:45
8:44
8:41
8:38
8:37
8:33
8:32
8:30
8:27
Sunset
9:53
9:55
9:58
9:59
10:00
10:02
10:05
10:06
10:07
10:09
10:12
10:13
10:15
10:16
10:19
10:21
Today's sea temperature in Alcan Harbor, Shemya Island is
3.5° C
(Statistics for 30 Mar 1981-2005 – mean: 3.2 max: 3.9 min: 2.6°C)
Issued (local time): 2 pm Monday 30 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest