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 — and sunset is at 03:15 PM.

Days 1–4 Weather Summary

Mostly dry. Air temperatures will be well below freezing (max -9°C on Wed morning, min -15°C on Wed night). Wind will be generally light.

Days 5–7 Weather Summary

A heavy fall of snow, heaviest during Sat afternoon. Becoming milder with heavy rain (total 47mm) on Sun morning. Icy conditions (max 4°C on Sat night, min -13°C on Thu afternoon). Winds increasing (light winds from the ESE on Thu afternoon, fresh winds from the SE by Sat night).

Days 8–10 Weather Summary

Mild with heavy rain (total 159mm), heaviest during Sun night. Becoming colder with a moderate fall of snow, heaviest on Tue night. Mild temperatures (max 7°C on Mon night, min 1°C on Tue night). Winds decreasing (strong winds from the SE on Sun night, calm by Tue night).

Days 11–13 Weather Summary

Heavy rain (total 25mm) on Wed afternoon. Becoming colder with heavy fall of snow, heaviest during Fri night. Freeze-thaw conditions (max 5°C on Wed night, min -5°C on Fri afternoon). Wind will be generally light.

Mon
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Sat
3
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
Wave Height Map
High Tide
1:40PM4.41m
2:54AM3.80m
2:18PM4.29m
3:30AM3.81m
2:58PM4.09m
4:08AM3.83m
3:44PM3.84m
4:50AM3.87m
4:39PM3.54m
5:36AM3.93m
5:45PM3.26m
6:29AM4.03m
7:04PM3.08m
7:27AM4.17m
8:29PM3.10m
8:28AM4.37m
9:46PM3.29m
9:29AM4.62m
10:51PM3.58m
10:27AM4.84m
11:46PM3.89m
11:21AM5.08m
00:35AM4.16m
Low Tide
8:19PM-0.23m
8:24AM1.44m
8:54PM-0.12m
9:06AM1.44m
9:31PM0.06m
9:54AM1.42m
10:12PM0.31m
10:50AM1.36m
10:57PM0.62m
11:54AM1.22m
11:50PM0.95m
1:05PM0.96m
00:52AM1.24m
2:17PM0.58m
2:01AM1.43m
3:23PM0.12m
3:10AM1.47m
4:22PM-0.32m
4:15AM1.41m
5:16PM-0.72m
5:12AM1.22m
6:06PM-1.00m
6:05AM1.02m
Wave
height (m) 
direction
period (s) 
part cloud
part cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
cloud
mod snow
heavy snow
heavy snow
heavy rain
heavy rain
heavy rain
heavy rain
light rain
heavy rain
heavy rain
light rain
cloud
mod snow
light snow
heavy rain
light snow
cloud
cloud
cloud
cloud
light snow
heavy snow
mod snow
some clouds
some clouds
cloudy
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
mod snow
heavy snow
heavy snow
heavy rain
heavy rain
heavy rain
heavy rain
light rain
heavy rain
heavy rain
light rain
cloudy
mod snow
light snow
heavy rain
light snow
cloudy
cloudy
cloudy
cloudy
light snow
heavy snow
mod snow
 km/h
25
N
15
NNE
15
NNE
15
NNE
20
NNE
20
NNE
15
NNE
10
NE
10
SE
5
ESE
10
NNE
10
NNE
10
NE
10
E
10
ESE
20
ESE
30
SE
25
SE
25
SE
35
SE
15
SE
20
SE
25
SE
10
S
5
S
5
NNE
10
NE
5
SE
10
ENE
10
SSE
10
SE
10
N
10
NNE
15
NNE
15
NNE
15
NNE
 mm 
32
15
40
71
5
11
28
1
3
11
14
max°C
-13
-12
-11
-11
-11
-9
-9
-10
-10
-11
-6
-6
-7
-6
-1
1
4
3
4
6
4
4
7
3
3
1
2
4
5
3
2
0
-3
-4
-4
-3
Moonrise
11:01
11:08
11:13
11:18
11:22
11:27
11:35
11:47
12:08
12:48
1:58
Moonset
5:51
7:19
8:45
10:11
11:38
1:08
2:43
4:25
6:09
7:46
8:57
9:37
Sunrise
8:32
8:32
8:32
8:33
8:33
8:33
8:33
8:33
8:32
8:32
8:32
8:30
Sunset
3:15
3:15
3:17
3:18
3:18
3:18
3:19
3:21
3:22
3:23
3:25
3:26
Today's sea temperature in Hamilton Bay, Kupreanof Island is
5.1° C
(Statistics for 22 Dec 1981-2005 – mean: 7.0 max: 8.5 min: 5.5°C)
Issued (local time): 2 pm Monday 22 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest