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 08:09 PM.

Days 1–4 Weather Summary

Heavy rain (total 20mm), heaviest during Mon night. Low air temperatures (max 8°C on Sun afternoon, min 3°C on Sat night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 6mm), mostly falling on Tue night. Cool air temperatures (max 13°C on Fri afternoon, min 4°C on Tue night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Very mild (max 13°C on Mon morning, min 6°C on Sun night). Wind will be generally light.

Days 11–13 Weather Summary

Heavy rain (total 24mm), heaviest during Wed night. Very mild (max 14°C on Tue afternoon, min 7°C on Thu afternoon). 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
Thu
1
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
5:40AM3.84m
7:42PM3.19m
8:59PM3.43m
8:30AM3.69m
9:58PM3.84m
9:49AM3.94m
10:44PM4.33m
10:53AM4.29m
11:25PM4.84m
11:48AM4.65m
00:04AM5.30m
12:38PM4.92m
00:43AM5.64m
1:26PM5.05m
1:23AM5.83m
2:14PM5.04m
2:05AM5.84m
3:02PM4.88m
2:48AM5.67m
3:52PM4.60m
3:35AM5.32m
4:46PM4.26m
Low Tide
11:46PM2.00m
12:53PM0.75m
1:12AM2.09m
2:12PM0.77m
2:47AM1.86m
3:23PM0.61m
3:59AM1.33m
4:20PM0.38m
4:55AM0.65m
5:09PM0.17m
5:43AM-0.07m
5:54PM0.02m
6:28AM-0.71m
6:37PM-0.04m
7:12AM-1.19m
7:19PM0.02m
7:56AM-1.45m
8:02PM0.17m
8:41AM-1.46m
8:45PM0.43m
9:28AM-1.25m
9:31PM0.76m
10:18AM-0.86m
Wave
height (m) 
direction
period (s) 
part cloud
part cloud
clear
part cloud
cloud
light rain
heavy rain
light rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
light rain
light rain
cloud
mod rain
rain showers
light rain
some clouds
some clouds
clear
some clouds
cloudy
light rain
heavy rain
light rain
light rain
light rain
light rain
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
light rain
light rain
cloudy
mod rain
rain shwrs
light rain
 km/h
0
NNW
5
NW
5
NNW
0
NW
5
ESE
0
SSW
10
ESE
10
SE
10
ESE
10
E
10
ESE
10
ESE
5
NE
5
NW
10
WNW
5
NW
10
NW
10
WNW
5
NW
5
NNW
5
NW
0
W
5
WNW
10
NW
5
S
5
SE
5
WSW
5
SE
5
SE
5
S
5
S
10
ESE
10
E
15
ESE
10
ESE
5
ESE
 mm 
2
11
4
3
5
1
2
2
10
3
4
max°C
4
7
8
6
6
6
4
4
4
4
7
8
8
10
11
7
11
13
9
12
12
9
11
12
9
13
13
9
13
14
10
9
9
9
9
8
Moonrise
3:59
4:14
4:23
4:29
4:34
4:39
4:44
4:50
5:00
5:18
5:51
6:50
Moonset
8:25
9:50
11:24
12:59
2:35
4:11
5:50
7:32
9:20
11:10
12:51
2:07
Sunrise
5:31
5:30
5:26
5:24
5:22
5:20
5:16
5:15
5:11
5:09
5:07
5:05
Sunset
8:09
8:12
8:14
8:16
8:19
8:21
8:22
8:24
8:27
8:29
8:31
8:34
8:36
Today's sea temperature in Portage Bay, Kupreanof Island is 5.8 °C (Statistics for 19 Apr 1981-2005 – mean: 6.8 max: 7.5 min: 5.7°C)
Issued (local time): 9 pm Saturday 19 Apr 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest