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 07:30 PM.

Days 1–4 Weather Summary

A dusting of snow giving way to moderate rain (total 10mm) heaviest on Fri morning. Icy conditions (max 6°C on Wed afternoon, min -4°C on Wed night). Wind will be generally light.

Days 5–7 Weather Summary

Mild with heavy rain (total 22mm), heaviest during Sun night. Becoming colder with a moderate fall of snow, heaviest on Sun night. Icy conditions (max 4°C on Sat afternoon, min -1°C on Mon night). Wind will be generally light.

Days 8–10 Weather Summary

A dusting of snow turning to light rain (total 9mm) on Fri morning. Freeze-thaw conditions (max 6°C on Wed afternoon, min -2°C on Tue night). Wind will be generally light.

Days 11–13 Weather Summary

Heavy rain (total 38mm), heaviest during Fri night. Mild temperatures (max 7°C on Mon morning, min 1°C on Sat night). Wind will be generally light.

Wed
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
Wednesday
15
Thursday
16
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
1:37PM4.75m
1:47AM5.04m
2:14PM4.68m
2:16AM5.04m
2:50PM4.52m
2:45AM4.95m
3:25PM4.29m
3:14AM4.79m
4:02PM4.00m
3:44AM4.57m
4:40PM3.68m
4:17AM4.30m
5:26PM3.35m
4:55AM4.02m
6:24PM3.08m
5:45AM3.73m
7:45PM2.95m
9:12PM3.07m
8:24AM3.46m
10:13PM3.36m
9:44AM3.62m
10:57PM3.74m
10:46AM3.90m
11:33PM4.15m
11:37AM4.21m
00:06AM4.56m
12:23PM4.50m
Low Tide
7:35PM-0.06m
8:00AM-0.32m
8:07PM0.11m
8:33AM-0.38m
8:38PM0.34m
9:06AM-0.33m
9:08PM0.62m
9:40AM-0.17m
9:39PM0.93m
10:16AM0.06m
10:12PM1.25m
10:56AM0.35m
10:49PM1.57m
11:46AM0.65m
11:38PM1.86m
12:50PM0.88m
00:53AM2.05m
2:09PM0.96m
2:30AM2.01m
3:24PM0.86m
3:51AM1.70m
4:21PM0.66m
4:47AM1.22m
5:06PM0.44m
5:33AM0.67m
5:46PM0.25m
6:15AM0.11m
Wave
height (m) 
direction
period (s) 
clear
clear
cloud
cloud
light snow
light rain
light rain
light rain
light rain
light rain
light rain
light snow
mod snow
light snow
rain showers
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
cloud
light snow
mod rain
heavy rain
heavy rain
light rain
light rain
cloud
cloud
part cloud
part cloud
cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
cloudy
cloudy
light snow
light rain
light rain
light rain
light rain
light rain
light rain
light snow
mod snow
light snow
rain shwrs
clear
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
clear
cloudy
light snow
mod rain
heavy rain
heavy rain
light rain
light rain
cloudy
cloudy
some clouds
some clouds
cloudy
some clouds
clear
some clouds
some clouds
clear
some clouds
clear
some clouds
some clouds
some clouds
clear
 km/h
5
NNW
5
NE
10
E
5
E
15
E
10
E
10
ESE
10
E
10
E
5
E
5
ENE
10
ENE
10
E
10
E
10
SSW
15
WSW
0
NW
5
NNW
15
NW
5
N
5
N
5
WNW
5
N
0
W
5
SSW
5
E
15
E
10
E
10
SE
10
ESE
5
E
0
NNW
0
SW
0
ESE
0
S
5
SSE
5
SW
5
W
0
SSW
0
SSW
5
NNW
5
NNW
5
WNW
5
NNW
10
NNW
15
NNW
10
NNW
 mm 
4
2
1
3
3
1
16
2
2
7
14
17
5
2
max°C
6
-1
3
5
2
3
3
3
3
4
3
1
2
3
4
4
1
4
5
0
4
6
2
5
5
4
3
3
3
3
3
3
4
5
5
7
7
5
5
7
5
7
8
4
7
8
3
Moonrise
7:43
9:05
10:29
11:52
1:14
2:26
3:22
3:59
4:23
4:37
4:46
4:53
4:59
5:04
5:10
Moonset
6:06
6:12
6:21
6:33
6:53
7:25
8:16
9:25
10:46
12:12
1:39
3:07
4:36
6:07
7:43
Sunrise
6:20
6:16
6:13
6:11
6:09
6:05
6:03
6:01
5:58
5:56
5:52
5:50
5:48
5:46
5:43
Sunset
7:30
7:31
7:34
7:37
7:38
7:40
7:43
7:45
7:46
7:49
7:51
7:52
7:54
7:57
8:00
8:01
Today's sea temperature in Duncan Canal, Kupreanof Island is
4.8° C
(Statistics for 01 Apr 1981-2005 – mean: 6.3 max: 7.5 min: 5.4°C)
Issued (local time): 3 pm Wednesday 01 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest