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 09:56 AM and sunset is at 04:22 PM.

Days 1–3 Weather Summary

Mostly dry. Air temperatures will be below freezing (max -1°C on Mon night, min -11°C on Sun night). Wind will be generally light.

Days 4–6 Weather Summary

A light covering of new snow, mostly falling on Fri morning. Air temperatures will be below freezing (max -1°C on Thu night, min -12°C on Fri night). Wind will be generally light.

Days 7–9 Weather Summary

A moderate fall of snow, heaviest on Sun afternoon. Temperatures will be below freezing (max -5°C on Sun night, min -12°C on Sat morning). Mainly strong winds.

Days 10–12 Weather Summary

A light covering of new snow, mostly falling on Wed night. Temperatures will be well below freezing (max -8°C on Thu afternoon, min -16°C on Tue night). Wind will be generally light.

Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
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
2:43PM4.40m
4:05AM3.73m
3:16PM4.36m
4:38AM3.73m
3:51PM4.27m
5:13AM3.75m
4:31PM4.10m
5:50AM3.77m
5:18PM3.87m
6:31AM3.83m
6:14PM3.58m
7:16AM3.90m
7:24PM3.31m
8:07AM4.00m
8:52PM3.14m
9:06AM4.13m
10:26PM3.16m
10:08AM4.30m
11:46PM3.35m
11:11AM4.52m
00:50AM3.60m
12:11PM4.71m
1:44AM3.86m
Low Tide
8:59AM1.48m
9:40PM-0.25m
9:32AM1.48m
10:12PM-0.20m
10:06AM1.47m
10:44PM-0.09m
10:46AM1.45m
11:18PM0.09m
11:32AM1.42m
11:55PM0.32m
12:28PM1.34m
00:38AM0.62m
1:39PM1.19m
1:31AM0.96m
3:00PM0.91m
2:38AM1.26m
4:15PM0.52m
3:54AM1.46m
5:20PM0.06m
5:07AM1.51m
6:18PM-0.34m
6:13AM1.48m
7:12PM-0.69m
Wave
height (m) 
direction
period (s) 
clear
clear
clear
cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
snow showers
light snow
light snow
cloud
cloud
cloud
light snow
light snow
mod snow
light snow
snow showers
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
light snow
light snow
cloud
cloud
clear
clear
clear
cloudy
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
snow shwrs
light snow
light snow
cloudy
cloudy
cloudy
light snow
light snow
mod snow
light snow
snow shwrs
some clouds
some clouds
some clouds
clear
some clouds
some clouds
some clouds
light snow
light snow
cloudy
cloudy
 km/h
5
NW
5
W
5
W
5
W
5
W
20
WNW
5
WNW
5
NW
5
W
0
W
5
W
5
WSW
10
W
5
W
10
WSW
10
NNE
15
N
10
WNW
10
WNW
15
NW
10
WNW
5
WNW
25
NNW
25
N
10
NW
5
WNW
10
W
10
W
10
W
5
WSW
0
NE
0
N
5
WNW
10
NW
10
NW
5
WNW
 mm 
max°C
-8
-8
-10
-8
-7
-1
-5
-4
-5
-6
-5
-4
-2
-2
-1
-2
-5
-9
-11
-11
-11
-10
-8
-5
-7
-8
-10
-12
-11
-15
-14
-13
-10
-9
-8
-10
Moonrise
12:02
12:16
12:23
12:28
12:32
12:35
12:37
12:41
12:47
12:56
1:15
1:53
Moonset
5:35
7:04
8:34
10:03
11:31
1:00
2:32
4:10
5:54
7:42
9:21
Sunrise
9:56
9:56
9:56
9:56
9:56
9:56
9:56
9:56
9:56
9:56
9:56
9:56
Sunset
4:22
4:23
4:24
4:24
4:25
4:27
4:28
4:29
4:30
4:30
4:31
4:34
Today's sea temperature in Nachalni Island, Kupreanof Strait is
5.1° C
(Statistics for 21 Dec 1981-2005 – mean: 5.2 max: 6.1 min: 4.6°C)
Issued (local time): 2 am Sunday 21 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest