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 05:39 AM and sunset is at 10:37 PM.

Days 1–3 Weather Summary

Heavy rain (total 23mm), heaviest during Wed night. Low air temperatures (max 9°C on Mon morning, min 4°C on Mon night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 9mm), mostly falling on Thu morning. Cool air temperatures (max 14°C on Sat afternoon, min 5°C on Fri night). Wind will be generally light.

Days 7–9 Weather Summary

Heavy rain (total 37mm), heaviest during Tue night. Very mild (max 10°C on Sun morning, min 5°C on Tue night). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 33mm), heaviest during Wed morning. Very mild (max 10°C on Fri afternoon, min 5°C on Wed afternoon). Wind will be generally light.

Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
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
8:45PM3.19m
8:01AM3.33m
9:50PM3.35m
9:33AM3.19m
10:49PM3.62m
11:07AM3.26m
11:41PM3.96m
12:23PM3.48m
00:28AM4.31m
1:26PM3.75m
1:14AM4.63m
2:20PM3.97m
1:58AM4.88m
3:10PM4.09m
2:42AM5.01m
3:59PM4.11m
3:27AM5.01m
4:47PM4.02m
4:12AM4.86m
5:36PM3.87m
4:58AM4.58m
6:28PM3.69m
5:47AM4.21m
Low Tide
1:52PM0.39m
2:17AM1.72m
3:01PM0.56m
4:01AM1.47m
4:15PM0.67m
5:18AM0.97m
5:21PM0.72m
6:18AM0.37m
6:18PM0.73m
7:10AM-0.23m
7:10PM0.74m
7:58AM-0.73m
7:58PM0.76m
8:46AM-1.08m
8:46PM0.79m
9:33AM-1.25m
9:33PM0.86m
10:20AM-1.22m
10:20PM0.96m
11:08AM-1.03m
11:08PM1.10m
11:56AM-0.72m
00:00AM1.26m
Wave
height (m) 
direction
period (s) 
part cloud
part cloud
part cloud
cloud
cloud
light rain
light rain
light rain
heavy rain
light rain
light rain
light rain
light rain
part cloud
clear
clear
clear
cloud
part cloud
part cloud
mod rain
rain showers
rain showers
light rain
light rain
mod rain
rain showers
heavy rain
mod rain
light rain
light rain
rain showers
part cloud
part cloud
cloud
light rain
some clouds
some clouds
some clouds
cloudy
cloudy
light rain
light rain
light rain
heavy rain
light rain
light rain
light rain
light rain
some clouds
clear
clear
clear
cloudy
some clouds
some clouds
mod rain
rain shwrs
rain shwrs
light rain
light rain
mod rain
rain shwrs
heavy rain
mod rain
light rain
light rain
rain shwrs
some clouds
some clouds
cloudy
light rain
 km/h
10
WNW
15
W
5
W
5
WSW
0
E
5
SE
15
E
25
ESE
25
E
20
ENE
15
E
15
E
15
ENE
10
E
5
W
5
WSW
5
WSW
5
W
10
E
15
E
15
ENE
25
ENE
20
E
15
NE
25
NNE
20
ENE
20
NE
10
WNW
5
WSW
10
E
10
E
10
ESE
10
E
10
E
15
E
5
NNE
 mm 
2
1
5
15
3
1
4
1
6
2
2
2
5
6
14
15
10
2
2
1
3
max°C
9
9
7
9
9
6
6
6
6
6
7
7
8
9
8
13
14
10
10
10
8
9
10
8
7
8
7
7
7
7
9
9
7
9
10
8
Moonrise
3:55
4:00
4:04
4:06
4:09
4:13
4:20
4:31
4:52
5:38
6:56
8:34
Moonset
11:57
1:31
3:05
4:41
6:20
8:06
9:57
11:47
1:20
2:16
2:44
Sunrise
5:39
5:37
5:35
5:33
5:31
5:31
5:28
5:26
5:26
5:24
5:22
5:20
Sunset
10:37
10:38
10:40
10:43
10:45
10:46
10:49
10:51
10:52
10:53
10:55
10:57
Today's sea temperature in Nachalni Island, Kupreanof Strait is 6.7 °C (Statistics for 19 May 1981-2005 – mean: 6.4 max: 7.3 min: 5.1°C)
Issued (local time): 9 am Monday 19 May 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest