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 — and sunset is at 07:19 PM.

Days 1–4 Weather Summary

Light rain (total 2mm), mostly falling on Sat afternoon. Low air temperatures (max 8°C on Thu morning, min 2°C on Thu night). Wind will be generally light.

Days 5–7 Weather Summary

Moderate rain (total 14mm), heaviest on Tue morning. Low air temperatures (max 8°C on Sun morning, min 2°C on Sun night). Wind will be generally light.

Days 8–10 Weather Summary

Moderate rain (total 10mm) heaviest on Wed afternoon, then becoming colder with a dusting of snow on Wed night. Mild temperatures (max 5°C on Thu afternoon, min 1°C on Wed night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Freeze-thaw conditions (max 7°C on Sun morning, min -2°C on Fri night). Wind will be generally light.

Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Mon
7
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
High Tide
00:11AM4.59m
12:10PM4.91m
00:45AM5.08m
12:56PM5.21m
1:20AM5.49m
1:41PM5.35m
1:55AM5.75m
2:25PM5.32m
2:32AM5.84m
3:11PM5.09m
3:11AM5.73m
3:59PM4.72m
3:53AM5.43m
4:51PM4.25m
4:40AM4.98m
5:53PM3.78m
5:38AM4.47m
7:12PM3.44m
8:47PM3.39m
8:29AM3.79m
10:09PM3.63m
9:56AM3.86m
Low Tide
6:09AM0.36m
6:30PM-0.46m
6:52AM-0.28m
7:08PM-0.59m
7:33AM-0.81m
7:47PM-0.56m
8:15AM-1.15m
8:25PM-0.37m
8:58AM-1.26m
9:05PM-0.04m
9:43AM-1.12m
9:46PM0.41m
10:32AM-0.77m
10:32PM0.91m
11:27AM-0.29m
11:26PM1.43m
12:35PM0.20m
00:42AM1.84m
1:59PM0.52m
2:26AM1.95m
3:24PM0.56m
3:59AM1.68m
4:30PM0.44m
Wave
height (m) 
direction
period (s) 
clear
cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
light rain
light rain
part cloud
part cloud
clear
clear
clear
part cloud
mod rain
light rain
light rain
light rain
mod rain
light snow
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
clear
cloudy
cloudy
some clouds
clear
some clouds
some clouds
some clouds
light rain
light rain
some clouds
some clouds
clear
clear
clear
some clouds
mod rain
light rain
light rain
light rain
mod rain
light snow
some clouds
some clouds
cloudy
some clouds
clear
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
 km/h
5
NE
5
NE
5
WNW
5
NNE
5
N
10
WNW
5
N
5
NNW
0
S
5
E
5
NW
10
WNW
5
NW
5
NW
5
WNW
0
NW
5
SE
5
ESE
5
NE
0
ESE
0
E
5
NW
10
N
10
NNW
5
WNW
5
NW
10
NW
5
N
5
NNW
10
WNW
5
E
5
E
0
N
5
E
5
W
10
NW
 mm 
2.0
3
7
4
2.0
1.0
6
1.0
max°C
4
8
8
5
7
7
4
7
8
5
8
8
4
7
8
5
3
3
2
3
3
3
4
5
2
2
3
-1
2
2
1
7
7
4
7
7
Moonrise
6:15
6:21
6:25
6:30
6:35
6:43
6:55
7:18
7:59
9:07
10:34
12:06
1:35
Moonset
3:32
5:11
6:51
8:32
10:18
12:05
1:50
3:19
4:19
4:51
5:08
5:18
Sunrise
6:37
6:33
6:31
6:28
6:26
6:22
6:20
6:16
6:15
6:11
6:09
6:07
Sunset
7:19
7:21
7:22
7:24
7:28
7:30
7:31
7:34
7:36
7:37
7:39
7:42
7:45
Today's sea temperature in Portage Bay, Kupreanof Island is 4.9 °C (Statistics for 26 Mar 1981-2005 – mean: 6.1 max: 7.4 min: 5.1°C)
Issued (local time): 9 pm Wednesday 26 Mar 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest