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 07:50 AM and sunset is at 08:16 PM.

Days 1–3 Weather Summary

Moderate rain (total 16mm), heaviest on Sun morning. Low air temperatures (max 9°C on Sun afternoon, min 4°C on Tue night). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 23mm), heaviest during Thu night. Cool air temperatures (max 11°C on Fri afternoon, min 4°C on Wed night). Winds increasing (calm on Wed afternoon, fresh winds from the ESE by Thu night).

Days 7–9 Weather Summary

Some drizzle, heaviest during Sun afternoon. Very mild (max 13°C on Sat afternoon, min 5°C on Sat night). Wind will be generally light.

Days 10–12 Weather Summary

Some drizzle, heaviest during Fri morning. Very mild (max 10°C on Tue afternoon, min 3°C on Tue night). Wind will be generally light.

Days 13–16 Weather Summary

Heavy rain (total 42mm), heaviest during Fri afternoon. Mild temperatures (max 9°C on Fri morning, min 7°C on Fri night). Winds decreasing (fresh winds from the E on Fri afternoon, calm by Sat morning).

Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
Mon
5
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
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
11:39AM2.61m
10:28PM3.05m
12:44PM2.89m
00:01AM3.25m
1:22PM3.22m
00:57AM3.56m
1:53PM3.57m
1:41AM3.86m
2:19PM3.90m
2:19AM4.13m
2:45PM4.21m
2:54AM4.33m
3:10PM4.48m
3:30AM4.45m
3:35PM4.69m
4:06AM4.45m
4:03PM4.81m
4:44AM4.32m
4:34PM4.83m
5:25AM4.07m
5:09PM4.73m
6:13AM3.72m
5:49PM4.50m
7:11AM3.33m
6:38PM4.17m
8:35AM3.03m
7:46PM3.79m
10:19AM2.99m
Low Tide
5:00PM2.19m
5:58AM0.91m
6:16PM1.90m
6:50AM0.66m
7:05PM1.51m
7:30AM0.41m
7:44PM1.09m
8:04AM0.22m
8:19PM0.65m
8:36AM0.10m
8:52PM0.24m
9:05AM0.06m
9:24PM-0.13m
9:34AM0.11m
9:58PM-0.41m
10:04AM0.25m
10:33PM-0.57m
10:35AM0.46m
11:11PM-0.58m
11:07AM0.75m
11:54PM-0.42m
11:44AM1.09m
00:45AM-0.13m
12:27PM1.46m
1:53AM0.22m
1:31PM1.83m
3:27AM0.47m
3:45PM1.98m
Wave
Height (m)
Direction
Period (s)
light rain
cloud
light rain
light rain
light rain
part cloud
light rain
part cloud
clear
clear
part cloud
part cloud
part cloud
light rain
heavy rain
cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
light rain
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
light rain
heavy rain
mod rain
cloud
cloud
mod rain
light rain
light rain
light rain
cloud
cloud
light rain
cloudy
light rain
light rain
light rain
some clouds
light rain
some clouds
clear
clear
some clouds
some clouds
some clouds
light rain
heavy rain
cloudy
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
light rain
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
light rain
heavy rain
mod rain
cloudy
cloudy
mod rain
light rain
light rain
light rain
cloudy
cloudy
km/h
10
WNW
5
W
5
WNW
5
WSW
0
W
5
NNE
5
WNW
5
WNW
5
W
5
W
5
W
0
SE
5
ESE
20
ESE
40
ESE
10
ESE
5
SE
5
WSW
5
E
10
W
5
SSE
5
E
10
ESE
5
E
5
NE
10
N
5
W
5
WNW
10
NW
5
WNW
5
W
10
WNW
5
W
0
E
10
E
10
E
25
E
35
E
25
N
5
W
0
NNE
5
NNE
5
W
10
NW
5
WSW
0
NW
5
N
 mm
5
2
4
2
3
1
22
1
4
19
10
6
1
2
1
max °C
8
9
8
7
8
6
7
7
6
9
10
7
9
9
10
10
11
10
12
13
7
10
9
8
10
10
6
9
10
5
8
8
3
9
9
8
9
8
8
7
7
7
9
9
8
8
9
Moonrise
7:01
7:12
7:19
7:24
7:27
7:31
7:34
7:39
7:46
7:57
8:18
8:58
10:09
11:43
1:24
Moonset
1:04
2:31
3:58
5:26
6:53
8:22
9:54
11:31
1:13
2:54
4:23
5:24
5:58
6:15
6:24
Sunrise
7:50
7:52
7:54
7:58
8:00
8:02
8:03
8:06
8:07
8:11
8:12
8:15
8:17
8:18
8:21
8:23
Sunset
8:16
8:14
8:10
8:07
8:06
8:02
8:00
7:57
7:53
7:51
7:49
7:45
7:43
7:39
7:37
7:35
Today's sea temperature in Nachalni Island, Kupreanof Strait is
11.8°C
(Statistics for 20 Sep 1981-2005 – mean: 10.2 max: 11.6 min: 9.4°C)
Issued (local time): 3 am Sunday 20 Sep 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest