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 08:30 PM.

Days 1–4 Weather Summary

Moderate rain (total 14mm), heaviest on Wed afternoon. Cool air temperatures (max 12°C on Fri morning, min 8°C on Tue night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Cool air temperatures (max 16°C on Sun afternoon, min 7°C on Fri night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Very mild (max 16°C on Wed afternoon, min 5°C on Mon night). Wind will be generally light.

Days 11–13 Weather Summary

Moderate rain (total 19mm), heaviest on Sun morning. Very mild (max 12°C on Sat morning, min 8°C on Fri night). Wind will be generally light.

Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thu
14
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
night
AM
Wave Height Map
High Tide
11:54PM4.27m
12:29PM3.83m
00:27AM4.40m
1:09PM3.86m
00:59AM4.46m
1:47PM3.85m
1:30AM4.45m
2:23PM3.77m
2:00AM4.38m
2:59PM3.64m
2:31AM4.26m
3:36PM3.46m
3:04AM4.08m
4:16PM3.26m
3:39AM3.87m
5:00PM3.07m
4:19AM3.64m
5:51PM2.93m
5:08AM3.39m
6:51PM2.89m
6:09AM3.16m
7:53PM2.98m
7:24AM3.03m
8:50PM3.21m
8:42AM3.06m
9:39PM3.52m
9:52AM3.23m
10:23PM3.89m
10:53AM3.49m
Low Tide
6:15AM0.04m
6:16PM0.50m
6:51AM-0.21m
6:52PM0.59m
7:25AM-0.35m
7:25PM0.72m
7:58AM-0.40m
7:57PM0.87m
8:32AM-0.36m
8:30PM1.04m
9:06AM-0.24m
9:04PM1.23m
9:43AM-0.06m
9:40PM1.43m
10:23AM0.16m
10:22PM1.63m
11:08AM0.40m
11:13PM1.80m
12:00PM0.60m
00:19AM1.88m
12:59PM0.75m
1:38AM1.78m
2:03PM0.82m
2:52AM1.46m
3:03PM0.80m
3:53AM0.98m
3:57PM0.75m
4:45AM0.42m
Wave
height (m) 
direction
period (s) 
cloud
light rain
light rain
mod rain
light rain
light rain
cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
light rain
light rain
light rain
light rain
part cloud
cloud
part cloud
mod rain
light rain
part cloud
part cloud
rain showers
part cloud
part cloud
part cloud
part cloud
cloud
light rain
rain showers
part cloud
cloudy
light rain
light rain
mod rain
light rain
light rain
cloudy
some clouds
clear
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
light rain
light rain
light rain
light rain
some clouds
cloudy
some clouds
mod rain
light rain
some clouds
some clouds
rain shwrs
some clouds
some clouds
some clouds
some clouds
cloudy
light rain
rain shwrs
some clouds
 km/h
5
S
5
SSE
10
SE
10
SSE
10
SSE
5
SSE
0
SE
5
NW
5
NW
5
SSE
0
SW
5
NW
5
NW
5
NNW
5
NW
5
WSW
10
WNW
15
NW
5
WNW
10
N
10
NNW
0
NW
5
N
5
N
0
ENE
5
SSE
10
SSW
20
SSE
10
SSE
5
ESE
5
NE
10
NNE
5
NW
5
S
10
SE
5
ESE
5
ESE
5
N
0
N
5
SE
15
SSE
10
S
5
S
5
WSW
0
SW
5
S
10
S
 mm 
1
4
7
1
1
3
4
1
3
7
1
1
1
7
max°C
9
9
8
8
9
9
8
12
12
10
10
13
9
15
16
12
13
14
7
10
12
10
14
16
12
16
16
11
9
9
9
12
11
11
10
10
8
12
13
10
13
13
9
12
11
9
12
Moonrise
6:53
8:15
9:39
11:02
12:19
1:21
2:05
2:31
2:47
2:58
3:05
3:10
3:15
3:20
3:26
Moonset
4:19
4:24
4:31
4:41
4:58
5:25
6:09
7:12
8:29
9:52
11:18
12:43
2:09
3:38
5:10
Sunrise
5:11
5:09
5:07
5:05
5:03
5:01
4:58
4:56
4:54
4:52
4:50
4:48
4:46
4:43
4:41
4:39
Sunset
8:30
8:32
8:35
8:37
8:39
8:42
8:44
8:45
8:47
8:50
8:52
8:53
8:55
8:58
9:00
9:01
Today's sea temperature in Hamilton Bay, Kupreanof Island is
6.4° C
(Statistics for 28 Apr 1981-2005 – mean: 7.2 max: 8.7 min: 6.0°C)
Issued (local time): 9 pm Tuesday 28 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest