Symonds Bay, Biorka Island, Sitka Sound Sea Conditions and Tide Table

Symonds Bay, Biorka Island, Sitka Sound 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 03:21 PM.

Days 1–4 Weather Summary

Mostly dry. Air temperatures will be below freezing (max -4°C on Thu afternoon, min -9°C on Sun morning). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Air temperatures will be well below freezing (max -6°C on Wed morning, min -12°C on Sun night). Wind will be generally light.

Days 8–10 Weather Summary

Heavy rain (total 31mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 3°C on Thu night, min -5°C on Wed afternoon). Winds increasing (calm on Wed night, near gales from the ESE by Fri afternoon).

Days 11–13 Weather Summary

A dusting of snow turning to light rain (total 2mm) on Tue morning. Freeze-thaw conditions (max 5°C on Tue afternoon, min -5°C on Sat night). Winds decreasing (fresh winds from the NE on Sun morning, calm by Mon morning).

Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
AM
Wave Height Map
High Tide
00:34AM2.58m
11:26AM3.23m
1:09AM2.64m
12:02PM3.26m
1:44AM2.66m
12:37PM3.24m
2:19AM2.67m
1:14PM3.18m
2:55AM2.67m
1:52PM3.07m
3:31AM2.69m
2:34PM2.90m
4:09AM2.72m
3:21PM2.69m
4:49AM2.79m
4:20PM2.45m
5:31AM2.88m
5:33PM2.24m
6:18AM3.01m
7:01PM2.12m
7:10AM3.15m
8:32PM2.16m
8:05AM3.31m
Low Tide
5:53PM-0.09m
5:34AM1.46m
6:28PM-0.16m
6:12AM1.44m
7:03PM-0.21m
6:49AM1.41m
7:37PM-0.22m
7:27AM1.39m
8:12PM-0.20m
8:07AM1.36m
8:47PM-0.13m
8:52AM1.32m
9:24PM-0.00m
9:44AM1.25m
10:02PM0.19m
10:44AM1.14m
10:44PM0.43m
11:53AM0.96m
11:32PM0.71m
1:06PM0.71m
00:29AM0.98m
2:15PM0.39m
1:34AM1.21m
Wave
height (m) 
direction
period (s) 
1.1
SW
10
0.9
SW
10
0.8
SW
9
0.9
SW
8
0.8
WSW
8
0.8
SW
11
0.7
SW
10
0.9
WSW
10
0.8
WSW
10
0.8
SW
10
0.6
SW
10
0.6
SW
10
0.6
WSW
10
0.4
SW
9
0.4
WSW
9
0.4
WSW
9
0.5
W
10
0.7
WSW
12
0.8
WSW
11
0.8
WSW
10
0.7
W
10
0.8
WSW
9
1.4
WSW
7
2.2
SW
8
3
SSW
9
2.4
SW
10
1.8
WSW
10
1.5
WSW
10
1.1
SW
9
1
WSW
6
1.6
S
10
1.1
SSW
12
1.2
SSW
12
1.1
SSW
11
1
SSW
10
1.1
SSW
10
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
cloud
light snow
heavy snow
heavy snow
heavy rain
snow showers
part cloud
part cloud
light snow
part cloud
clear
clear
clear
clear
part cloud
light rain
clear
some clouds
some clouds
clear
clear
clear
clear
some clouds
clear
clear
some clouds
clear
clear
some clouds
some clouds
clear
some clouds
clear
clear
some clouds
cloudy
light snow
heavy snow
heavy snow
heavy rain
snow shwrs
some clouds
some clouds
light snow
some clouds
clear
clear
clear
clear
some clouds
light rain
 km/h
15
NE
15
NE
15
NE
15
NE
10
NE
10
ENE
10
ENE
15
ENE
20
NE
15
NE
20
NE
20
NE
15
NE
15
NE
15
NE
10
NE
10
NE
10
NNE
5
NE
5
ENE
15
ESE
30
SE
20
ESE
35
E
50
ESE
35
ESE
20
ENE
25
NE
30
NNE
35
NE
30
NE
25
NE
10
NNE
5
ENE
10
SE
25
SSE
 mm 
11
17
3
1
max°C
-4
-5
-7
-7
-7
-7
-6
-7
-9
-9
-11
-12
-11
-11
-10
-9
-7
-6
-5
-3
0
0
3
2
3
3
0
-2
-4
-3
-4
-4
-4
-3
1
4
Moonrise
9:25
10:12
10:40
10:57
11:07
11:14
11:20
11:24
11:29
11:34
11:42
11:54
Moonset
2:11
3:14
4:33
5:58
7:26
8:53
10:19
11:45
1:15
2:50
4:32
Sunrise
8:36
8:37
8:37
8:37
8:37
8:37
8:38
8:38
8:38
8:38
8:38
8:38
Sunset
3:21
3:21
3:22
3:22
3:22
3:23
3:23
3:25
3:26
3:26
3:27
3:29
Today's sea temperature in Symonds Bay, Biorka Island, Sitka Sound is
7.5° C
(Statistics for 18 Dec 1981-2005 – mean: 6.9 max: 8.6 min: 5.7°C)
Issued (local time): 2 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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