Harbor Bay, Great Swan Island Sea Conditions and Tide Table

Harbor Bay, Great Swan 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 05:07 PM.

Days 1–4 Weather Summary

Light rain (total 4mm), mostly falling on Thu afternoon. Warm air temperatures (max 27°C on Fri morning, min 26°C on Thu afternoon). Mainly fresh winds.

Days 5–7 Weather Summary

Light rain (total 6mm), mostly falling on Sun afternoon. Warm air temperatures (max 26°C on Sun afternoon, min 25°C on Tue afternoon). Mainly fresh winds.

Days 8–10 Weather Summary

Light rain (total 4mm), mostly falling on Wed night. Warm (max 26°C on Thu afternoon, min 24°C on Thu night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Warm (max 27°C on Mon afternoon, min 25°C on Sat afternoon). Wind will be generally light.

Thu
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tue
6
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
12:29PM0.19m
11:57PM0.24m
1:07PM0.20m
1:04AM0.20m
1:47PM0.23m
2:28AM0.17m
2:32PM0.25m
4:06AM0.16m
3:23PM0.28m
5:35AM0.15m
4:20PM0.30m
6:44AM0.15m
5:15PM0.33m
7:39AM0.15m
6:20PM0.34m
8:24AM0.16m
7:17PM0.35m
9:06AM0.16m
8:11PM0.35m
9:45AM0.16m
9:03PM0.34m
10:24AM0.17m
9:53PM0.31m
11:01AM0.18m
Low Tide
6:14PM0.08m
7:11AM0.02m
7:30PM0.06m
7:52AM0.04m
8:52PM0.04m
8:37AM0.06m
10:11PM0.01m
9:27AM0.08m
11:22PM-0.03m
10:20AM0.09m
00:25AM-0.06m
11:16AM0.09m
1:22AM-0.08m
12:12PM0.08m
2:15AM-0.09m
1:07PM0.06m
3:05AM-0.09m
2:01PM0.05m
3:51AM-0.08m
2:56PM0.04m
4:35AM-0.07m
3:51PM0.03m
5:16AM-0.05m
Wave
height (m) 
direction
period (s) 
2
ENE
7
1.9
ENE
7
1.6
ENE
7
1.4
ENE
7
1.2
ENE
6
1.3
E
6
1.2
E
6
1.1
E
6
1
ENE
6
1.2
ENE
6
1.3
E
6
1.3
E
6
1.2
E
6
1.1
E
6
1.1
E
5
1
E
7
1
E
7
0.9
ESE
8
0.9
ESE
8
0.9
N
9
1.3
NNW
8
1.1
NNW
8
1.6
N
6
1.1
NNE
5
1
NE
6
0.8
ENE
6
0.9
NE
6
0.9
NE
6
0.8
ENE
6
0.6
ENE
6
0.7
ENE
5
1
ENE
5
1.2
ENE
5
1.1
ENE
6
1
ENE
5
1.1
ENE
5
thunderstorm
part cloud
cloud
part cloud
part cloud
clear
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
rain showers
clear
clear
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
risk tstorm
some clouds
cloudy
some clouds
some clouds
clear
risk tstorm
clear
risk tstorm
risk tstorm
risk tstorm
clear
clear
some clouds
some clouds
some clouds
clear
clear
clear
rain shwrs
clear
clear
rain shwrs
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
 km/h
35
NE
30
NE
30
ENE
25
ENE
25
ENE
25
E
25
E
20
ESE
25
E
20
E
30
E
30
E
20
E
25
ENE
25
ENE
25
NNE
25
NE
20
NNE
20
NNE
20
NNE
25
NNE
20
NE
25
NNE
20
N
15
N
5
N
5
N
5
NNW
20
NE
15
ENE
20
NE
25
NE
30
NE
25
ENE
20
ENE
25
ENE
 mm 
2
1
1
2
4
3
1
max°C
26
26
27
27
27
26
26
27
26
26
26
26
26
26
26
26
26
26
25
25
25
26
25
24
24
24
24
25
26
26
26
26
26
27
26
26
Moonrise
10:45
11:21
12:00
12:42
1:30
2:25
3:27
4:34
5:43
6:48
7:50
Moonset
10:11
11:03
11:58
12:55
1:57
3:03
4:11
5:19
6:23
7:20
8:09
8:51
Sunrise
6:03
6:03
6:03
6:03
6:03
6:05
6:05
6:05
6:05
6:05
6:07
6:07
Sunset
5:07
5:07
5:08
5:09
5:09
5:10
5:10
5:12
5:13
5:13
5:14
5:14
Today's sea temperature in Harbor Bay, Great Swan Island is
28.5° C
(Statistics for 25 Dec 1981-2005 – mean: 27.1 max: 27.6 min: 26.3°C)
Issued (local time): 5 pm Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest