Duncan Canal, Kupreanof Island Sea Conditions and Tide Table

Duncan Canal, Kupreanof 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 —.

Days 1–4 Weather Summary

A light covering of new snow, mostly falling on Thu night. Air temperatures will be well below freezing (max -7°C on Thu afternoon, min -16°C on Tue night). Wind will be generally light.

Days 5–7 Weather Summary

A heavy fall of snow, heaviest during Sat night. Becoming milder with heavy rain (total 160mm) on Mon morning. Icy conditions (max 4°C on Mon afternoon, min -14°C on Fri night). Wind will be generally light.

Days 8–10 Weather Summary

Heavy rain (total 89mm), mainly falling on Mon night. Becoming colder with a light covering of snow, mostly falling on Thu morning. Freeze-thaw conditions (max 6°C on Mon night, min -4°C on Thu afternoon). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Temperatures will be below freezing (max -5°C on Thu night, min -17°C on Fri night). Wind will be generally light.

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sun
4
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
High Tide
3:42AM4.24m
3:10PM4.52m
4:20AM4.26m
3:56PM4.26m
5:02AM4.30m
4:51PM3.97m
5:48AM4.36m
5:57PM3.69m
6:41AM4.45m
7:16PM3.51m
7:39AM4.59m
8:41PM3.52m
8:40AM4.79m
9:58PM3.72m
9:41AM5.04m
11:03PM4.01m
10:39AM5.27m
11:58PM4.32m
11:33AM5.50m
00:47AM4.58m
12:25PM5.64m
1:32AM4.78m
1:13PM5.64m
Low Tide
9:06PM-0.15m
9:18AM1.41m
9:43PM0.03m
10:06AM1.39m
10:24PM0.28m
11:02AM1.33m
11:09PM0.59m
12:06PM1.19m
00:02AM0.92m
1:17PM0.93m
1:04AM1.21m
2:29PM0.55m
2:13AM1.40m
3:35PM0.09m
3:22AM1.44m
4:34PM-0.35m
4:27AM1.38m
5:28PM-0.75m
5:24AM1.19m
6:18PM-1.03m
6:17AM0.99m
7:05PM-1.16m
7:07AM0.83m
Wave
height (m) 
direction
period (s) 
clear
part cloud
clear
clear
part cloud
light snow
snow showers
part cloud
part cloud
light snow
mod snow
mod snow
heavy snow
light snow
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
light rain
mod rain
mod rain
heavy rain
light snow
light snow
light snow
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
clear
some clouds
clear
clear
some clouds
light snow
snow shwrs
some clouds
some clouds
light snow
mod snow
mod snow
heavy snow
light snow
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
light rain
mod rain
mod rain
heavy rain
light snow
light snow
light snow
some clouds
some clouds
clear
clear
some clouds
cloudy
cloudy
some clouds
some clouds
 km/h
10
NE
10
NE
10
NE
10
ENE
10
ENE
10
E
10
NE
10
NNE
10
NE
10
E
15
E
15
E
20
E
20
ESE
20
E
20
ESE
15
E
15
E
15
SE
15
SE
15
ESE
15
E
10
E
10
E
5
ENE
10
N
10
N
10
N
10
NNE
10
NNE
10
NE
10
ENE
10
E
10
ENE
15
ENE
10
ENE
 mm 
4
16
76
40
24
32
12
2
9
10
11
13
max°C
-15
-12
-13
-14
-8
-7
-7
-10
-11
-10
-6
-3
1
2
2
3
3
4
6
5
4
4
4
4
4
-2
-2
-5
-8
-9
-15
-14
-14
-13
-11
-12
Moonrise
11:04
11:09
11:14
11:19
11:25
11:34
11:46
12:08
12:49
1:59
3:33
5:15
Moonset
8:43
10:09
11:35
1:04
2:39
4:19
6:03
7:38
8:49
9:30
9:52
Sunrise
8:26
8:26
8:26
8:26
8:26
8:26
8:26
8:26
8:26
8:26
8:26
8:25
Sunset
3:15
3:17
3:18
3:18
3:19
3:21
3:22
3:22
3:25
3:26
3:26
3:29
Today's sea temperature in Duncan Canal, Kupreanof Island is
5.2° C
(Statistics for 23 Dec 1981-2005 – mean: 7.1 max: 8.7 min: 5.4°C)
Issued (local time): 8 pm Tuesday 23 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest