Hamilton Bay, Kupreanof Island Sea Conditions and Tide Table

Hamilton Bay, Kupreanof Island 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 08:21 AM and sunset is at 03:14 PM.

Days 1–3 Weather Summary

A dusting of new snow. Air temperatures will be well below freezing (max -7°C on Fri night, min -14°C on Fri night). Wind will be generally light.

Days 4–6 Weather Summary

A heavy fall of snow, heaviest during Sat morning. Becoming milder with moderate rain (total 11mm) on Mon night. Icy conditions (max 3°C on Mon night, min -6°C on Sat morning). Wind will be generally light.

Days 7–9 Weather Summary

A heavy fall of snow, heaviest during Tue morning. Temperatures will be below freezing (max -3°C on Tue morning, min -14°C on Thu night). Mainly fresh winds.

Days 10–12 Weather Summary

Mostly dry. Extremely cold (max -12°C on Fri morning, min -17°C on Sat night). Wind will be generally light.

Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
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
4:40PM3.83m
5:48AM3.83m
5:48PM3.40m
6:44AM3.79m
7:03PM3.12m
7:40AM3.81m
8:21PM3.01m
8:31AM3.88m
9:31PM3.05m
9:18AM3.97m
10:28PM3.19m
10:01AM4.08m
11:16PM3.34m
10:41AM4.20m
11:57PM3.49m
11:18AM4.31m
00:34AM3.61m
11:55AM4.40m
1:10AM3.70m
12:30PM4.46m
1:44AM3.75m
1:05PM4.46m
2:19AM3.78m
Low Tide
10:40AM1.45m
11:10PM0.36m
11:51AM1.50m
00:06AM0.78m
1:06PM1.42m
1:05AM1.13m
2:17PM1.21m
2:04AM1.38m
3:17PM0.93m
3:00AM1.54m
4:06PM0.63m
3:50AM1.60m
4:48PM0.36m
4:35AM1.61m
5:26PM0.13m
5:16AM1.57m
6:02PM-0.05m
6:36PM-0.19m
6:31AM1.47m
7:10PM-0.26m
7:08AM1.44m
7:45PM-0.28m
Wave
height (m) 
direction
period (s) 
light snow
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
heavy snow
mod snow
heavy snow
heavy snow
heavy snow
heavy snow
light snow
light snow
heavy snow
heavy snow
heavy snow
mod snow
cloud
light snow
heavy snow
light snow
snow showers
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
light snow
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
some clouds
heavy snow
mod snow
heavy snow
heavy snow
heavy snow
heavy snow
light snow
light snow
heavy snow
heavy snow
heavy snow
mod snow
cloudy
light snow
heavy snow
light snow
snow shwrs
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
 km/h
25
N
20
N
15
NNE
10
NNE
15
NNE
15
NNE
15
NNE
10
NNE
5
E
15
NNE
15
NE
15
NNE
15
NE
15
ENE
5
NE
10
ESE
15
SE
20
SE
20
N
15
NNE
25
N
25
N
25
N
25
N
25
NNE
30
NNE
25
NNE
25
NNE
25
NNE
20
NNE
15
NNE
15
NNE
10
NNE
15
NNE
15
NNE
15
NE
 mm 
11
max°C
-8
-9
-11
-10
-10
-10
-9
-9
-7
-6
-5
-4
-2
1
0
1
1
3
-3
-6
-8
-10
-11
-12
-12
-12
-13
-12
-13
-13
-12
-13
-16
-12
-13
-15
Moonrise
10:52
12:13
1:33
2:52
4:12
5:34
6:56
8:14
9:19
10:05
10:34
Moonset
12:10
12:14
12:18
12:22
12:26
12:32
12:42
12:56
1:21
2:03
3:06
4:25
Sunrise
8:21
8:22
8:23
8:25
8:26
8:26
8:27
8:27
8:29
8:30
8:30
8:30
Sunset
3:14
3:14
3:14
3:12
3:12
3:12
3:14
3:14
3:14
3:14
3:15
3:15
Today's sea temperature in Hamilton Bay, Kupreanof Island is
6.9° C
(Statistics for 10 Dec 1981-2005 – mean: 7.3 max: 9.0 min: 5.5°C)
Issued (local time): 8 am Wednesday 10 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest