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 06:35 AM and sunset is at 07:00 PM.

Days 1–3 Weather Summary

Moderate rain (total 13mm), heaviest on Tue afternoon. Cool air temperatures (max 14°C on Sun morning, min 8°C on Tue afternoon). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Wed morning. Cool air temperatures (max 12°C on Thu afternoon, min 7°C on Thu night). Wind will be generally light.

Days 7–9 Weather Summary

Heavy rain (total 29mm), heaviest during Mon morning. Very mild (max 13°C on Sat morning, min 7°C on Mon night). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 34mm), heaviest during Wed night. Very mild (max 11°C on Thu morning, min 7°C on Thu night). Winds increasing (light winds from the E on Tue afternoon, fresh winds from the SE by Wed night).

Days 13–16 Weather Summary

Moderate rain (total 12mm), heaviest on Fri night. Very mild (max 14°C on Sun morning, min 8°C on Sat night). Wind will be generally light.

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
9:48AM2.60m
8:55PM3.08m
10:45AM2.90m
10:06PM3.30m
11:23AM3.25m
10:59PM3.61m
11:54AM3.61m
11:42PM3.90m
12:22PM3.95m
00:21AM4.15m
12:50PM4.27m
00:59AM4.33m
1:19PM4.53m
1:36AM4.40m
1:48PM4.71m
2:15AM4.36m
2:20PM4.79m
2:56AM4.21m
2:54PM4.76m
3:40AM3.93m
3:32PM4.61m
4:30AM3.58m
4:17PM4.35m
5:31AM3.22m
5:13PM4.02m
6:49AM2.98m
6:29PM3.70m
8:21AM3.00m
Low Tide
2:56PM2.12m
3:59AM0.87m
4:10PM1.83m
4:49AM0.61m
5:00PM1.42m
5:27AM0.35m
5:40PM0.98m
6:00AM0.14m
6:17PM0.53m
6:32AM-0.00m
6:52PM0.11m
7:03AM-0.06m
7:27PM-0.24m
7:35AM-0.02m
8:03PM-0.49m
8:09AM0.13m
8:42PM-0.60m
8:44AM0.37m
9:23PM-0.56m
9:21AM0.70m
10:10PM-0.38m
10:04AM1.08m
11:06PM-0.09m
10:57AM1.47m
00:13AM0.22m
12:10PM1.80m
1:36AM0.40m
1:50PM1.87m
Wave
Height (m)
Direction
Period (s)
thunderstorm
light rain
cloud
cloud
light rain
light rain
rain showers
light rain
cloud
light rain
part cloud
part cloud
part cloud
clear
clear
cloud
clear
cloud
part cloud
part cloud
light rain
mod rain
light rain
light rain
mod rain
cloud
mod rain
cloud
cloud
mod rain
light rain
mod rain
heavy rain
light rain
rain showers
part cloud
part cloud
light rain
heavy rain
cloud
cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
risk tstorm
light rain
cloudy
cloudy
light rain
light rain
rain shwrs
light rain
cloudy
light rain
some clouds
some clouds
some clouds
clear
clear
cloudy
clear
cloudy
some clouds
some clouds
light rain
mod rain
light rain
light rain
mod rain
cloudy
mod rain
cloudy
cloudy
mod rain
light rain
mod rain
heavy rain
light rain
rain shwrs
some clouds
some clouds
light rain
heavy rain
cloudy
cloudy
some clouds
some clouds
cloudy
some clouds
cloudy
cloudy
km/h
20
SSE
20
SSE
15
SE
15
SE
10
SE
5
SE
10
E
20
SSE
10
SE
5
ESE
10
ESE
5
ESE
5
ENE
5
N
0
NNE
5
NE
5
N
5
SSE
10
SE
15
SSE
10
SE
10
ESE
20
SE
15
SE
20
E
20
SE
10
SE
10
ESE
10
ESE
5
E
10
ENE
10
NNE
20
E
20
SE
15
SSE
10
SSE
10
SE
15
SE
15
SE
15
SE
15
SE
5
SE
5
E
0
W
10
SSE
5
SE
5
S
 mm
3
1
1
3
1
4
2
1
7
1
3
9
8
7
4
7
14
1
1
1
11
max °C
14
13
11
13
12
10
12
9
8
9
10
8
11
12
8
12
12
9
13
13
10
9
10
10
9
9
8
10
10
8
8
8
9
11
11
8
12
13
11
12
13
10
14
13
10
13
14
Moonrise
5:34
5:48
5:57
6:04
6:09
6:14
6:19
6:25
6:34
6:48
7:12
7:53
9:02
10:32
12:10
Moonset
11:52
1:17
2:42
4:07
5:33
6:59
8:30
10:04
11:43
1:21
2:49
3:52
4:29
4:50
5:02
Sunrise
6:35
6:37
6:39
6:41
6:43
6:45
6:47
6:50
6:52
6:54
6:56
6:58
7:00
7:01
7:03
7:05
Sunset
7:00
6:57
6:54
6:52
6:49
6:46
6:44
6:40
6:37
6:36
6:32
6:30
6:27
6:24
6:22
6:19
Today's sea temperature in Hamilton Bay, Kupreanof Island is
9.5°C
(Statistics for 20 Sep 1981-2005 – mean: 11.4 max: 13.8 min: 9.9°C)
Issued (local time): 3 am Sunday 20 Sep 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest