Nachalni Island, Kupreanof Strait Sea Conditions and Tide Table

Nachalni Island, Kupreanof Strait 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 04:22 PM.

Days 1–4 Weather Summary

Mostly dry. Air temperatures will be below freezing (max -1°C on Fri afternoon, min -5°C on Thu night). Winds increasing (calm on Thu night, fresh winds from the N by Sun morning).

Days 5–7 Weather Summary

Mostly dry. Air temperatures will be below freezing (max -4°C on Sun night, min -9°C on Mon night). Winds decreasing (strong winds from the N on Sun night, light winds from the WNW by Mon night).

Days 8–10 Weather Summary

Mostly dry. Temperatures will be well below freezing (max -7°C on Thu afternoon, min -10°C on Fri morning). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Freeze-thaw conditions (max 2°C on Mon night, min -6°C on Sat afternoon). Wind will be generally light.

Thu
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tue
23
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
7:33PM3.32m
8:43AM3.66m
8:57PM3.06m
9:38AM3.71m
10:17PM2.99m
10:28AM3.78m
11:27PM3.07m
11:13AM3.88m
00:23AM3.22m
11:54AM4.00m
1:08AM3.38m
12:32PM4.11m
1:47AM3.52m
1:06PM4.22m
2:24AM3.62m
1:39PM4.31m
2:58AM3.69m
2:11PM4.37m
3:31AM3.72m
2:43PM4.40m
4:05AM3.73m
3:16PM4.36m
4:38AM3.73m
Low Tide
1:53PM1.52m
2:06AM0.87m
3:10PM1.38m
3:09AM1.18m
4:17PM1.13m
4:10AM1.40m
5:13PM0.83m
5:04AM1.52m
6:00PM0.53m
5:53AM1.58m
6:42PM0.27m
6:36AM1.58m
7:21PM0.06m
7:15AM1.56m
7:57PM-0.09m
7:52AM1.53m
8:33PM-0.19m
8:26AM1.50m
9:07PM-0.24m
8:59AM1.48m
9:40PM-0.25m
9:32AM1.48m
10:12PM-0.20m
10:06AM1.47m
Wave
height (m) 
direction
period (s) 
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
 km/h
5
NW
5
NW
5
W
15
W
15
NW
30
N
20
NNW
25
N
35
N
35
N
35
NNW
10
W
10
WNW
10
WNW
10
WNW
10
WNW
10
WNW
10
W
10
WNW
10
WNW
10
WNW
5
W
5
NW
5
WNW
10
WNW
10
W
10
WNW
10
W
10
WNW
10
WNW
5
W
5
WNW
10
WNW
10
W
10
W
20
W
 mm 
max°C
-3
-4
-3
-1
-2
-4
-4
-5
-5
-5
-4
-5
-5
-8
-8
-7
-8
-8
-8
-9
-8
-7
-8
-9
-8
-8
-7
-6
-4
-3
-2
-1
-2
-3
2
1
Moonrise
1:34
2:55
4:16
5:38
7:02
8:27
9:48
10:54
11:38
12:02
12:16
12:23
Moonset
1:34
1:36
1:39
1:43
1:50
2:03
2:26
3:07
4:12
5:35
7:04
Sunrise
9:48
9:48
9:49
9:51
9:52
9:52
9:53
9:53
9:55
9:56
9:56
9:56
Sunset
4:22
4:22
4:22
4:22
4:22
4:22
4:22
4:22
4:22
4:22
4:22
4:23
Today's sea temperature in Nachalni Island, Kupreanof Strait is
5.9° C
(Statistics for 11 Dec 1981-2005 – mean: 5.3 max: 6.4 min: 4.7°C)
Issued (local time): 2 pm Thursday 11 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest