Constantine Harbor, Amchitka Sea Conditions and Tide Table

Constantine Harbor, Amchitka 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 10:20 PM.

Days 1–4 Weather Summary

Mostly dry. Air temperatures will be slightly above freezing (max 3°C on Tue night, min 3°C on Tue night). Winds increasing (moderate winds from the NE on Wed night, near gales from the NW by Fri afternoon).

Days 5–7 Weather Summary

Light rain (total 4mm), mostly falling on Sun morning. Low air temperatures (max 5°C on Sun afternoon, min 2°C on Fri night). Winds increasing (light winds from the W on Sat afternoon, gales from the SE by Sun morning).

Days 8–10 Weather Summary

Some drizzle, heaviest during Mon night. Temperatures will be slightly above freezing (max 4°C on Mon night, min 3°C on Mon night). Winds increasing (light winds from the E on Tue night, fresh winds from the NNE by Thu morning).

Days 11–13 Weather Summary

Mostly dry. Temperatures will be slightly above freezing (max 4°C on Thu night, min 3°C on Thu night). Winds increasing (light winds from the N on Sat afternoon, fresh winds from the N by Sun night).

Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thu
14
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
AM
Wave Height Map
High Tide
3:04AM0.74m
6:54PM0.59m
8:51PM0.65m
3:25AM0.81m
3:41AM0.83m
4:08AM0.85m
4:46AM0.85m
5:34AM0.85m
6:26AM0.84m
7:23AM0.80m
3:55AM0.69m
8:26AM0.75m
2:38AM0.64m
9:40AM0.67m
1:34AM0.63m
11:10AM0.59m
1:08AM0.67m
1:01PM0.51m
1:10AM0.75m
Low Tide
9:04PM0.43m
10:46AM0.08m
9:41PM0.55m
11:34AM-0.01m
10:11PM0.65m
12:17PM-0.07m
12:58PM-0.10m
1:39PM-0.12m
2:20PM-0.12m
3:01PM-0.12m
3:41PM-0.10m
4:21PM-0.08m
4:58PM-0.03m
4:07AM0.69m
5:32PM0.03m
5:57AM0.61m
6:02PM0.12m
7:05AM0.48m
6:28PM0.23m
8:03AM0.33m
6:44PM0.35m
8:56AM0.16m
Wave
height (m) 
direction
period (s) 
1.7
N
9
2.3
NE
6
2.1
NE
7
1.6
NE
7
1.4
NE
7
1.5
NE
6
2.1
NNE
7
2.5
N
7
3
N
8
3
NNW
9
2
N
9
1.5
N
8
1.1
NNE
8
1.8
SE
6
2
ESE
8
1.2
SE
8
1.1
W
12
1.1
W
12
0.9
WNW
12
0.7
WNW
11
0.6
W
10
0.6
E
7
0.5
E
6
0.6
E
6
0.9
E
6
1.2
NE
5
1.1
NE
6
1.4
NNE
6
1.4
NNE
8
1.4
NNE
8
1.4
NE
8
1.1
NE
8
0.9
NE
7
0.7
NE
7
0.8
NE
6
1
NNW
5
1.7
NNW
7
1.8
N
8
1.7
N
8
1.2
N
7
0.8
N
7
0.7
N
7
0.6
NNE
7
0.5
NE
7
0.4
NNE
6
0.3
NNE
6
0.4
NNE
6
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
light rain
rain showers
cloud
cloud
cloud
light rain
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
part cloud
cloud
part cloud
light rain
cloud
cloudy
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
cloudy
light rain
rain shwrs
cloudy
cloudy
cloudy
light rain
cloudy
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
cloudy
some clouds
clear
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
clear
some clouds
cloudy
some clouds
light rain
cloudy
 km/h
45
ENE
45
NE
35
NE
30
NE
30
NNE
35
N
45
NNW
50
NNW
55
NW
50
NW
30
NW
5
W
30
SSE
55
SE
35
S
30
S
30
SSE
30
S
20
S
15
SSW
15
SSE
15
ESE
15
E
15
E
25
NE
35
NNE
20
N
30
NNE
25
NNE
25
NNE
25
NE
20
NE
10
N
15
NW
25
NNW
30
N
40
N
35
N
35
NNW
20
NW
20
W
25
WSW
15
WNW
10
NW
5
WNW
5
SSE
10
SSW
 mm 
3
1
1
2
max°C
3
3
3
3
3
3
3
3
3
3
2
2
3
3
5
5
4
4
4
4
4
4
4
4
4
3
3
4
4
4
4
3
3
3
3
3
3
2
2
3
3
4
4
3
4
4
4
Moonrise
8:55
10:09
11:24
12:37
1:44
2:41
3:26
4:00
4:24
4:43
4:58
5:10
5:22
5:35
5:49
Moonset
6:38
6:51
7:06
7:26
7:53
8:29
9:18
10:18
11:28
12:42
1:58
3:15
4:33
5:54
7:18
Sunrise
7:39
7:37
7:35
7:33
7:31
7:28
7:28
7:26
7:24
7:22
7:20
7:18
7:16
7:16
7:13
7:13
Sunset
10:20
10:22
10:23
10:24
10:27
10:28
10:30
10:31
10:32
10:35
10:36
10:37
10:39
10:40
10:43
10:44
Today's sea temperature in Constantine Harbor, Amchitka is
4.3° C
(Statistics for 28 Apr 1981-2005 – mean: 4.0 max: 4.6 min: 3.5°C)
Issued (local time): 8 pm Tuesday 28 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest