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 08:23 AM and sunset is at 03:12 PM.

Days 1–3 Weather Summary

Mostly dry. Air temperatures will be well below freezing (max -7°C on Thu morning, min -18°C on Fri night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Extremely cold air temperatures (max -13°C on Sun morning, min -20°C on Mon morning). Wind will be generally light.

Days 7–9 Weather Summary

A moderate fall of snow, heaviest on Fri night. Temperatures will be below freezing (max -1°C on Fri afternoon, min -19°C on Wed morning). Wind will be generally light.

Days 10–12 Weather Summary

A moderate fall of snow, heaviest on Sun morning. Temperatures will be below freezing (max -5°C on Sat morning, min -17°C on Mon night). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
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
11:30AM4.74m
00:46AM4.04m
12:07PM4.83m
1:22AM4.12m
12:42PM4.88m
1:56AM4.18m
1:17PM4.89m
2:31AM4.21m
1:52PM4.83m
3:06AM4.22m
2:30PM4.71m
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
Low Tide
6:14PM-0.09m
6:07AM1.49m
6:48PM-0.22m
6:43AM1.44m
7:22PM-0.29m
7:20AM1.41m
7:57PM-0.31m
7:57AM1.40m
8:31PM-0.27m
8:36AM1.41m
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
Wave
height (m) 
direction
period (s) 
part cloud
part cloud
part cloud
clear
clear
clear
clear
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
part cloud
light snow
light snow
light snow
heavy snow
light snow
light snow
part cloud
light snow
light snow
light snow
part cloud
part cloud
part cloud
some clouds
some clouds
some clouds
clear
clear
clear
clear
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
cloudy
cloudy
clear
clear
clear
clear
clear
clear
some clouds
light snow
light snow
light snow
heavy snow
light snow
light snow
some clouds
light snow
light snow
light snow
some clouds
some clouds
some clouds
 km/h
10
NE
10
NE
10
NE
10
ENE
10
ENE
10
ENE
10
ENE
10
ENE
10
ENE
10
ENE
10
ENE
10
ENE
10
ENE
10
ENE
10
ENE
10
ENE
10
ENE
15
ENE
15
ENE
10
ENE
10
ENE
10
ENE
10
E
10
E
20
E
25
ESE
10
ESE
10
E
10
ENE
10
ENE
15
N
10
ENE
10
ENE
10
NE
10
ENE
10
NE
 mm 
max°C
-7
-9
-13
-14
-15
-17
-14
-14
-15
-13
-14
-17
-17
-18
-19
-17
-17
-19
-15
-16
-19
-13
-14
-7
-3
-1
-2
-5
-6
-8
-11
-12
-13
-12
-13
-16
Moonrise
8:06
9:11
9:58
10:27
10:45
10:56
11:04
11:09
11:14
11:19
11:25
11:34
Moonset
1:22
2:05
3:07
4:25
5:50
7:17
8:43
10:09
11:35
1:04
2:39
Sunrise
8:23
8:23
8:25
8:25
8:26
8:26
8:26
8:26
8:26
8:26
8:26
8:26
Sunset
3:12
3:14
3:14
3:15
3:15
3:15
3:15
3:17
3:18
3:18
3:19
3:21
Today's sea temperature in Duncan Canal, Kupreanof Island is
5.7° C
(Statistics for 18 Dec 1981-2005 – mean: 7.3 max: 8.8 min: 5.6°C)
Issued (local time): 8 am Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest