Portage Bay, Kupreanof Island Sea Conditions and Tide Table

Portage 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 06:20 AM and sunset is at 07:15 PM.

Days 1–3 Weather Summary

Mostly dry. Cool air temperatures (max 15°C on Mon morning, min 10°C on Mon night). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 81mm), heaviest during Sat night. Cool air temperatures (max 15°C on Sat afternoon, min 10°C on Fri night). Wind will be generally light.

Days 7–9 Weather Summary

Heavy rain (total 60mm), heaviest during Sun morning. Very mild (max 13°C on Mon afternoon, min 7°C on Sun night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 7mm), mostly falling on Wed afternoon. Very mild (max 11°C on Wed morning, min 6°C on Wed night). Wind will be generally light.

Days 13–16 Weather Summary

Mostly dry. Very mild (max 12°C on Sat morning, min 7°C on Mon night). Wind will be generally light.

Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tue
29
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
3:24PM5.16m
4:01AM4.38m
3:55PM4.86m
4:42AM3.94m
4:29PM4.50m
5:30AM3.50m
5:08PM4.13m
6:35AM3.12m
6:01PM3.79m
8:12AM2.95m
7:22PM3.56m
9:50AM3.11m
8:58PM3.59m
10:50AM3.45m
10:12PM3.85m
11:29AM3.84m
11:05PM4.18m
12:00PM4.23m
11:48PM4.50m
12:27PM4.61m
00:26AM4.78m
12:54PM4.95m
1:03AM4.97m
1:22PM5.23m
1:39AM5.06m
1:50PM5.43m
2:16AM5.03m
2:21PM5.52m
Low Tide
9:17AM0.21m
9:47PM-0.20m
9:50AM0.67m
10:25PM0.11m
10:25AM1.15m
11:09PM0.49m
11:03AM1.62m
00:02AM0.87m
11:54AM2.03m
1:18AM1.15m
1:17PM2.31m
2:51AM1.17m
3:04PM2.27m
4:05AM0.94m
4:19PM1.94m
4:56AM0.63m
5:09PM1.48m
5:35AM0.33m
5:49PM0.99m
6:09AM0.08m
6:25PM0.50m
6:40AM-0.08m
7:00PM0.05m
7:12AM-0.15m
7:34PM-0.33m
7:44AM-0.10m
8:10PM-0.60m
8:17AM0.05m
Wave
Height (m)
Direction
Period (s)
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
light rain
light rain
mod rain
mod rain
heavy rain
rain showers
cloud
light rain
rain showers
heavy rain
heavy rain
rain showers
rain showers
rain showers
light rain
light rain
light rain
rain showers
rain showers
light rain
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
light rain
light rain
mod rain
mod rain
heavy rain
rain shwrs
cloudy
light rain
rain shwrs
heavy rain
heavy rain
rain shwrs
rain shwrs
rain shwrs
light rain
light rain
light rain
rain shwrs
rain shwrs
light rain
clear
clear
clear
clear
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
clear
km/h
0
NW
5
NW
0
ESE
0
SSE
5
NW
5
S
5
SSE
10
SE
5
ESE
5
ESE
5
E
10
ESE
10
ESE
15
ESE
10
SSE
10
SE
5
ESE
15
E
15
ESE
15
S
10
SE
10
SSE
10
SSE
10
ESE
15
ESE
10
SSE
10
ESE
10
SSE
5
W
5
NW
5
NNW
5
NW
5
ESE
0
NE
5
WNW
0
ESE
0
SE
5
NNW
0
SE
5
SE
0
E
5
ESE
0
NNE
5
NW
5
NW
5
NNW
5
NW
 mm
1
2
8
8
13
11
3
35
33
12
6
1
1
1
2
2
2
3
4
max °C
15
15
12
15
14
13
13
13
12
12
12
12
13
12
12
14
15
11
11
12
9
12
13
10
10
9
9
11
11
8
9
10
8
10
10
9
12
12
9
11
12
11
12
11
10
10
11
Moonrise
11:32
12:59
2:22
3:36
4:33
5:10
5:33
5:47
5:56
6:02
6:07
6:12
6:17
6:23
6:32
6:45
Moonset
7:28
7:40
7:59
8:31
9:21
10:29
11:49
1:14
2:39
4:05
5:30
6:57
8:28
10:02
11:41
Sunrise
6:20
6:22
6:24
6:26
6:28
6:31
6:33
6:35
6:37
6:39
6:41
6:43
6:45
6:47
6:50
6:52
Sunset
7:15
7:12
7:08
7:06
7:04
7:00
6:58
6:54
6:52
6:50
6:46
6:45
6:42
6:38
6:36
6:34
Today's sea temperature in Portage Bay, Kupreanof Island is
8.7°C
(Statistics for 14 Sep 1981-2005 – mean: 11.6 max: 14.5 min: 10.1°C)
Issued (local time): 3 am Monday 14 Sep 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest