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 06:57 PM.

Days 1–4 Weather Summary

Light rain (total 2mm) on Mon afternoon. Becoming colder with heavy fall of snow, heaviest during Mon night. Icy conditions (max 2°C on Mon afternoon, min -1°C on Tue night). Wind will be generally light.

Days 5–7 Weather Summary

A moderate fall of snow, heaviest on Sat morning. Icy conditions (max 2°C on Fri afternoon, min -3°C on Thu night). Wind will be generally light.

Days 8–10 Weather Summary

A light covering of new snow, mostly falling on Sun night. Freeze-thaw conditions (max 1°C on Sun afternoon, min -13°C on Mon night). Wind will be generally light.

Days 11–13 Weather Summary

A dusting of new snow. Temperatures will be below freezing (max -3°C on Fri afternoon, min -14°C on Thu night). Wind will be generally light.

Mon
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
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
00:55AM4.40m
12:49PM4.74m
1:24AM4.75m
1:28PM4.93m
1:53AM5.04m
2:08PM4.99m
2:25AM5.23m
2:48PM4.92m
2:58AM5.31m
3:31PM4.71m
3:34AM5.26m
4:18PM4.37m
4:15AM5.07m
5:10PM3.96m
5:02AM4.77m
6:15PM3.55m
6:01AM4.40m
7:38PM3.30m
7:20AM4.09m
9:13PM3.35m
8:54AM4.00m
10:30PM3.65m
10:17AM4.15m
11:24PM4.04m
11:21AM4.39m
00:06AM4.42m
12:13PM4.60m
Low Tide
6:32PM-0.06m
6:45AM0.52m
7:05PM-0.25m
7:22AM0.06m
7:37PM-0.32m
7:59AM-0.31m
8:11PM-0.27m
8:38AM-0.57m
8:45PM-0.10m
9:19AM-0.68m
9:22PM0.19m
10:03AM-0.61m
10:01PM0.56m
10:52AM-0.39m
10:45PM0.99m
11:50AM-0.07m
11:40PM1.42m
1:03PM0.23m
00:58AM1.75m
2:29PM0.37m
2:42AM1.80m
3:50PM0.29m
4:12AM1.49m
4:53PM0.11m
5:17AM1.03m
5:43PM-0.06m
6:06AM0.56m
Wave
height (m) 
direction
period (s) 
light rain
snow showers
light snow
light snow
light snow
light snow
light snow
light snow
light snow
light snow
light snow
part cloud
cloud
light snow
mod snow
light snow
light snow
light snow
light snow
snow showers
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
light snow
cloud
cloud
cloud
cloud
light snow
light snow
part cloud
cloud
cloud
cloud
light rain
snow shwrs
light snow
light snow
light snow
light snow
light snow
light snow
light snow
light snow
light snow
some clouds
cloudy
light snow
mod snow
light snow
light snow
light snow
light snow
snow shwrs
some clouds
some clouds
clear
clear
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
clear
some clouds
some clouds
cloudy
light snow
cloudy
cloudy
cloudy
cloudy
light snow
light snow
some clouds
cloudy
cloudy
cloudy
 km/h
5
SSE
10
S
10
SSW
20
SSW
5
SSE
10
S
15
SSW
10
SSW
10
SSW
10
S
10
SW
10
ESE
20
SE
20
E
20
E
10
SE
15
WSW
10
ESE
10
ESE
15
SSE
5
E
5
NNW
10
NNE
10
NNE
15
NNE
10
NNE
10
NE
10
ENE
10
NE
10
ENE
10
ENE
10
NE
10
ENE
10
E
10
NE
15
ENE
15
ENE
15
ENE
10
ENE
10
NNE
5
NE
5
E
5
SSE
10
ESE
10
E
10
E
10
ENE
 mm 
2
max°C
2
1
2
2
0
1
2
0
2
1
-1
1
2
0
0
1
0
0
1
-1
1
1
-8
-3
-3
-10
-7
-6
-10
-8
-6
-12
-6
-3
-9
-5
-5
-4
0
1
-1
1
2
2
2
2
2
Moonrise
6:45
6:50
6:55
7:01
7:09
7:22
7:43
8:20
9:23
10:50
12:25
2:00
3:31
4:57
6:20
Moonset
4:08
5:38
7:08
8:41
10:18
11:59
1:40
3:12
4:21
5:02
5:25
5:38
5:46
5:52
5:57
Sunrise
7:03
7:00
6:56
6:54
6:52
6:48
6:47
6:43
6:41
6:39
6:35
6:33
6:30
6:28
6:24
Sunset
6:57
6:59
7:00
7:02
7:05
7:07
7:08
7:10
7:14
7:15
7:17
7:20
7:22
7:23
7:25
7:28
Today's sea temperature in Duncan Canal, Kupreanof Island is
4.4° C
(Statistics for 16 Mar 1981-2005 – mean: 6.1 max: 7.5 min: 5.0°C)
Issued (local time): 3 pm Monday 16 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest