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 09:56 AM and sunset is at 04:22 PM.

Days 1–3 Weather Summary

Mostly dry. Air temperatures will be below freezing (max -1°C on Fri morning, min -8°C on Sun morning). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Air temperatures will be below freezing (max 0°C on Mon night, min -7°C on Mon morning). Wind will be generally light.

Days 7–9 Weather Summary

Mild with light rain (total 2mm) on Fri morning. Becoming colder with a light covering of snow, mostly falling on Fri afternoon. Freeze-thaw conditions (max 5°C on Thu night, min -12°C on Fri night). Winds increasing (calm on Thu morning, fresh winds from the W by Fri night).

Days 10–12 Weather Summary

Mostly dry. Temperatures will be below freezing (max -5°C on Tue morning, min -11°C on Mon morning). Winds decreasing (fresh winds from the N on Sun morning, calm by Mon night).

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
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
Wave Height Map
High Tide
1:34PM4.47m
2:54AM4.11m
2:11PM4.54m
3:30AM4.15m
2:49PM4.54m
4:06AM4.15m
3:27PM4.48m
4:43AM4.11m
4:06PM4.34m
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
Low Tide
7:41AM1.30m
8:17PM-0.27m
8:19AM1.22m
8:51PM-0.35m
8:57AM1.18m
9:26PM-0.37m
9:35AM1.17m
10:01PM-0.31m
10:15AM1.18m
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
Wave
height (m) 
direction
period (s) 
0.9
WNW
4
1.1
NW
4
0.7
NW
6
0.8
N
6
0.8
N
6
0.9
N
6
0.8
NNE
6
0.6
N
5
0.5
N
5
0.5
N
5
0.4
NNW
4
0.6
W
3
0.9
N
6
0.9
NNE
6
0.6
N
5
0.6
N
5
0.5
N
5
0.4
NNE
5
0.2
NNE
4
0.2
N
4
0.4
WSW
4
1.3
WSW
5
0.8
W
4
1.6
WNW
5
1.4
WNW
5
1.1
NW
4
1.7
N
6
1.8
NNE
8
1.9
NNE
8
1.2
NNE
7
0.9
NNE
6
0.9
NNE
6
0.6
N
6
0.3
NNE
5
0.4
W
3
1.1
NW
4
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
part cloud
cloud
cloud
cloud
light rain
snow showers
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
some clouds
some clouds
clear
clear
clear
clear
some clouds
clear
some clouds
cloudy
cloudy
cloudy
light rain
snow shwrs
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
 km/h
25
W
25
NW
15
WNW
15
NW
15
NW
5
N
10
N
5
WNW
0
NNW
5
SW
10
WSW
20
W
10
NW
0
S
0
ESE
5
E
5
ENE
0
S
5
SSW
5
SW
10
SSW
25
SW
25
W
35
W
25
WNW
20
WNW
30
NNW
30
N
30
N
15
WNW
10
NW
15
WNW
5
N
5
WSW
15
W
30
W
 mm 
2
max°C
-1
-1
-4
-5
-5
-6
-8
-7
-8
-6
-6
0
-2
-2
-2
-4
-3
-3
-1
0
5
3
-2
-11
-11
-11
-8
-7
-8
-9
-9
-8
-8
-5
-5
-5
Moonrise
10:56
11:40
12:04
12:18
12:25
12:30
12:33
12:36
12:38
12:42
12:47
12:57
Moonset
3:07
4:13
5:35
7:05
8:35
10:04
11:32
1:01
2:33
4:11
5:56
Sunrise
9:56
9:56
9:56
9:57
9:57
9:57
9:59
9:59
9:59
9:59
9:59
9:59
Sunset
4:22
4:23
4:23
4:24
4:24
4:25
4:27
4:28
4:29
4:30
4:30
4:31
Today's sea temperature in Onion Bay, Raspberry Island, Kupreanof Strait is
5.5° C
(Statistics for 19 Dec 1981-2005 – mean: 5.2 max: 6.1 min: 4.6°C)
Issued (local time): 8 am Friday 19 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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