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 08:00 AM and sunset is at 06:47 PM.

Days 1–3 Weather Summary

A light covering of new snow, mostly falling on Thu night. Becoming milder with light rain (total 9mm) on Thu night. Icy conditions (max 3°C on Thu night, min -10°C on Tue night). Wind will be generally light.

Days 4–6 Weather Summary

A dusting of new snow. Icy conditions (max 2°C on Fri morning, min -10°C on Sun night). Mainly strong winds.

Days 7–9 Weather Summary

Mostly dry. Temperatures will be well below freezing (max -6°C on Wed afternoon, min -13°C on Tue night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 2°C on Sat afternoon, min -5°C on Thu night). Wind will be generally light.

Tuesday
3
Wednesday
4
Thursday
5
Friday
6
Saturday
7
Sunday
8
Monday
9
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wed
18
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
AM
PM
Wave Height Map
High Tide
2:36PM4.61m
3:06AM4.51m
3:13PM4.55m
3:35AM4.56m
3:49PM4.38m
4:01AM4.51m
4:23PM4.12m
4:26AM4.39m
4:55PM3.80m
4:49AM4.21m
5:29PM3.45m
5:15AM3.99m
6:06PM3.07m
6:56PM2.71m
6:25AM3.47m
8:39PM2.44m
7:25AM3.22m
10:52PM2.51m
9:21AM3.10m
00:01AM2.80m
11:08AM3.29m
00:40AM3.16m
12:08PM3.61m
1:11AM3.53m
12:54PM3.95m
1:39AM3.90m
1:34PM4.25m
Low Tide
8:35AM0.27m
8:55PM-0.40m
9:13AM0.04m
9:28PM-0.22m
9:48AM-0.07m
9:57PM0.05m
10:21AM-0.06m
10:24PM0.37m
10:52AM0.05m
10:47PM0.72m
11:24AM0.25m
11:09PM1.07m
11:59AM0.52m
11:30PM1.41m
12:43PM0.82m
11:57PM1.73m
2:01PM1.08m
00:38AM2.03m
3:56PM1.11m
3:53AM2.23m
5:14PM0.89m
5:25AM1.96m
6:06PM0.59m
6:17AM1.57m
6:47PM0.29m
6:58AM1.12m
7:23PM0.05m
7:35AM0.66m
Wave
height (m) 
direction
period (s) 
clear
clear
clear
part cloud
part cloud
snow showers
part cloud
light snow
light snow
cloud
part cloud
part cloud
light snow
cloud
cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
some clouds
some clouds
snow shwrs
some clouds
light snow
light snow
cloudy
some clouds
some clouds
light snow
cloudy
cloudy
some clouds
some clouds
cloudy
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
clear
some clouds
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
 km/h
5
WNW
10
W
10
WNW
5
W
0
WSW
5
E
0
NE
5
NNW
15
E
0
ESE
40
WSW
10
WSW
15
W
30
WSW
20
WSW
20
W
20
W
5
WSW
5
W
10
WNW
10
NW
10
WNW
10
NW
10
NW
10
WNW
10
WNW
10
WSW
25
W
15
WNW
10
WSW
15
W
15
W
15
W
15
W
15
W
5
NW
5
WNW
10
NW
5
WNW
5
NW
5
NNW
0
NE
5
ESE
0
WSW
5
W
5
W
5
W
 mm 
9
max°C
-4
-3
-7
-6
-4
-5
-3
-1
3
2
-2
-6
-6
-7
-8
-8
-8
-10
-7
-7
-9
-8
-7
-10
-8
-6
-7
-3
-3
-3
-1
0
0
1
2
1
1
1
0
1
3
0
2
3
1
2
3
Moonrise
7:42
9:08
10:33
11:59
1:26
3:52
5:14
6:23
7:10
7:36
7:50
7:58
8:04
8:07
8:10
Moonset
8:03
8:06
8:08
8:11
8:15
9:22
9:33
9:53
10:31
11:33
12:54
2:24
3:56
5:28
7:00
8:33
Sunrise
8:00
7:56
7:54
7:50
7:48
8:46
7:43
7:39
7:37
7:35
7:31
7:28
7:26
7:22
7:20
7:18
Sunset
6:47
6:50
6:52
6:54
6:57
7:59
7:00
7:04
7:06
7:07
7:09
7:13
7:15
7:16
7:19
7:22
Today's sea temperature in Nachalni Island, Kupreanof Strait is
3.7° C
(Statistics for 03 Mar 1981-2005 – mean: 4.7 max: 6.6 min: 3.5°C)
Issued (local time): 8 am Tuesday 03 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest