Onion Bay, Raspberry Island, Kupreanof Strait Sea Conditions and Tide Table

Onion Bay, Raspberry Island, Kupreanof Strait 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 —.

Days 1–4 Weather Summary

A dusting of new snow. Air temperatures will be below freezing (max 0°C on Wed afternoon, min -4°C on Thu morning). Wind will be generally light.

Days 5–7 Weather Summary

A moderate fall of snow, heaviest on Fri night. Icy conditions (max 1°C on Fri night, min -6°C on Sun morning). Winds increasing (light winds from the NE on Fri night, strong winds from the NNE by Sat afternoon).

Days 8–10 Weather Summary

Mostly dry. Temperatures will be below freezing (max -4°C on Thu morning, min -8°C on Mon night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Freeze-thaw conditions (max 3°C on Fri night, min -8°C on Thu night). Winds decreasing (near gales from the W on Fri night, calm by Sun morning).

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sun
4
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
5:19AM4.07m
4:47PM4.14m
5:57AM4.03m
5:34PM3.88m
6:38AM4.01m
6:30PM3.61m
7:22AM4.02m
7:38PM3.37m
8:13AM4.08m
8:58PM3.26m
9:09AM4.18m
10:22PM3.34m
10:09AM4.35m
11:38PM3.59m
11:10AM4.57m
00:43AM3.93m
12:10PM4.79m
1:37AM4.26m
1:06PM5.03m
2:25AM4.54m
1:58PM5.18m
3:10AM4.73m
2:47PM5.21m
Low Tide
10:37PM-0.20m
10:56AM1.20m
11:15PM-0.01m
11:43AM1.21m
11:56PM0.25m
12:36PM1.17m
00:42AM0.56m
1:38PM1.05m
1:37AM0.88m
2:48PM0.83m
2:42AM1.15m
4:00PM0.48m
3:53AM1.30m
5:06PM0.04m
5:03AM1.28m
6:05PM-0.40m
6:06AM1.15m
6:59PM-0.80m
7:03AM0.90m
7:48PM-1.09m
7:55AM0.66m
8:35PM-1.24m
8:44AM0.47m
Wave
height (m) 
direction
period (s) 
0.5
N
5
0.5
W
4
0.6
WSW
4
0.7
NW
4
0.9
N
6
1
NNE
6
1
NNE
6
0.6
N
6
0.7
N
5
2.2
NNE
7
3
NNE
8
3
NNE
8
2.1
NNE
7
1.6
NNE
7
1.9
NNE
7
2.2
NNE
7
2.5
NNE
7
2.2
NNE
7
0.9
NNE
6
1.4
NNW
5
1.5
N
6
1.3
N
6
1.3
NNE
7
1.3
N
6
0.9
NNE
6
0.6
N
5
0.5
N
5
0.5
N
5
0.4
N
5
0.4
N
5
1.6
WSW
6
1.4
WSW
7
1.3
WSW
6
1.4
WNW
5
1.1
NNW
5
0.8
N
6
clear
clear
part cloud
part cloud
part cloud
cloud
light snow
cloud
light snow
heavy snow
light snow
light snow
light snow
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
cloudy
light snow
cloudy
light snow
heavy snow
light snow
light snow
light snow
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
 km/h
5
WSW
10
WSW
15
WSW
15
W
10
NNE
15
NE
10
NE
10
ENE
10
ENE
20
NE
35
NNE
40
NNE
35
NNE
20
NE
30
NNE
35
NNE
40
NNE
35
NNE
15
WNW
25
NW
25
NW
25
NNW
15
NNW
15
NNW
15
NW
5
WSW
5
W
5
SSE
5
WSW
10
WSW
55
W
35
W
25
WNW
25
W
10
NW
5
NE
 mm 
max°C
-1
-1
0
0
-2
-3
-3
-2
-1
1
-1
-1
-2
-5
-6
-6
-6
-6
-5
-7
-6
-6
-6
-6
-6
-4
-4
-7
-5
-3
3
2
1
-1
-4
-3
Moonrise
12:30
12:33
12:36
12:38
12:42
12:47
12:57
1:15
1:53
3:05
4:44
6:31
Moonset
10:04
11:32
1:01
2:33
4:11
5:56
7:44
9:23
10:32
11:08
11:25
Sunrise
9:57
9:59
9:59
9:59
9:59
9:59
9:59
9:57
9:57
9:57
9:56
9:56
Sunset
4:25
4:27
4:28
4:29
4:30
4:30
4:31
4:32
4:35
4:36
4:37
4:38
Today's sea temperature in Onion Bay, Raspberry Island, Kupreanof Strait is
5.2° C
(Statistics for 23 Dec 1981-2005 – mean: 5.2 max: 6.1 min: 4.7°C)
Issued (local time): 8 pm Tuesday 23 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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