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 06:22 AM and sunset is at 09:58 PM.

Days 1–3 Weather Summary

Heavy rain (total 36mm), heaviest during Thu night. Low air temperatures (max 6°C on Wed morning, min 4°C on Thu morning). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 61mm), heaviest during Sun afternoon. Low air temperatures (max 8°C on Sat morning, min 4°C on Sat night). Winds increasing (light winds from the E on Sat morning, near gales from the ENE by Sun morning).

Days 7–9 Weather Summary

Light rain (total 5mm), mostly falling on Thu morning. Mild temperatures (max 8°C on Tue morning, min 4°C on Tue night). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 45mm), heaviest during Fri night. Mild temperatures (max 9°C on Fri morning, min 6°C on Fri night). Winds decreasing (strong winds from the ENE on Fri night, calm by Sun night).

Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tuesday
6
Wednesday
7
Thursday
8
Friday
9
Saturday
10
Sunday
11
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
5:37PM4.47m
5:16AM4.87m
6:32PM4.12m
6:06AM4.43m
7:32PM3.77m
7:04AM3.93m
8:43PM3.52m
8:16AM3.50m
10:00PM3.45m
9:43AM3.25m
11:09PM3.54m
11:10AM3.23m
00:03AM3.72m
12:18PM3.38m
00:42AM3.92m
1:10PM3.58m
1:14AM4.11m
1:51PM3.78m
1:43AM4.28m
2:28PM3.95m
2:10AM4.42m
3:03PM4.08m
2:39AM4.51m
Low Tide
11:05AM-1.18m
11:14PM0.56m
11:54AM-0.82m
00:05AM0.90m
12:48PM-0.37m
1:04AM1.22m
1:51PM0.09m
2:17AM1.45m
3:05PM0.44m
3:47AM1.47m
4:23PM0.62m
5:12AM1.24m
5:28PM0.68m
6:14AM0.90m
6:18PM0.69m
6:59AM0.55m
6:59PM0.70m
7:35AM0.23m
7:34PM0.71m
8:08AM-0.04m
8:07PM0.73m
8:39AM-0.25m
8:40PM0.76m
Wave
height (m) 
direction
period (s) 
0.4
SW
8
0.4
N
6
0.4
NNE
6
0.8
NNE
4
0.6
N
4
0.6
N
4
0.8
N
5
0.4
NNW
5
0.2
WNW
4
0.1
SE
7
0.4
E
2
0.6
E
3
2.3
NE
6
2.5
NE
7
1.7
NNE
7
0.9
NNE
6
0.6
NNE
5
0.4
NNE
4
0.3
NNE
4
0.4
NNE
3
0.2
NNE
3
0.2
NNE
3
0.4
NNE
3
0.2
NNE
3
0.4
NE
3
0.6
NNE
4
0.2
NNE
2
0.3
NE
2
0.6
ENE
3
1.1
NE
4
1.9
NE
6
2
NNE
7
2
NNE
6
1.3
NNE
5
0.7
NNE
4
0.3
NNE
4
cloud
light rain
cloud
light rain
light rain
heavy rain
light rain
cloud
part cloud
cloud
cloud
mod rain
heavy rain
heavy rain
light rain
part cloud
rain showers
clear
part cloud
rain showers
clear
part cloud
part cloud
part cloud
light rain
rain showers
part cloud
part cloud
part cloud
mod rain
mod rain
mod rain
heavy rain
light rain
light rain
part cloud
cloudy
light rain
cloudy
light rain
light rain
heavy rain
light rain
cloudy
some clouds
cloudy
cloudy
mod rain
heavy rain
heavy rain
light rain
some clouds
rain shwrs
clear
some clouds
rain shwrs
clear
some clouds
some clouds
some clouds
light rain
rain shwrs
some clouds
some clouds
some clouds
mod rain
mod rain
mod rain
heavy rain
light rain
light rain
some clouds
 km/h
10
ESE
5
WNW
5
NE
15
N
15
NNW
15
WSW
10
NW
10
WNW
0
WSW
10
E
15
ESE
20
E
55
ENE
55
ENE
15
ENE
10
ENE
20
ENE
10
NE
10
ENE
15
ENE
10
E
5
ENE
15
ENE
10
ENE
10
ENE
10
ENE
10
NE
15
E
25
E
40
ENE
45
ENE
40
ENE
40
NE
35
NE
15
NNE
5
NNE
 mm 
2
3
4
22
5
10
24
24
2
1
1
2
2
8
10
8
11
5
3
max°C
6
5
5
5
4
4
5
6
5
8
8
5
4
6
5
7
7
6
8
8
7
8
8
6
6
8
7
9
9
7
7
7
6
6
6
7
Moonrise
6:59
7:58
9:26
11:03
12:37
2:06
3:29
4:50
6:08
7:27
8:49
10:14
Moonset
2:31
3:46
4:25
4:44
4:53
4:58
5:01
5:03
5:04
5:06
5:08
5:11
Sunrise
6:22
6:20
6:18
6:15
6:13
6:11
6:07
6:05
6:03
6:01
5:58
5:56
Sunset
9:58
10:00
10:02
10:05
10:07
10:08
10:10
10:14
10:15
10:17
10:20
10:22
Today's sea temperature in Onion Bay, Raspberry Island, Kupreanof Strait is 5.8 °C (Statistics for 30 Apr 1981-2005 – mean: 5.5 max: 6.7 min: 4.3°C)
Issued (local time): 9 am Wednesday 30 Apr 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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