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 05:54 AM and sunset is at 05:40 PM.

Days 1–3 Weather Summary

Light rain (total 3mm), mostly falling on Sat morning. Warm air temperatures (max 26°C on Fri morning, min 25°C on Fri morning). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Mon night. Warm air temperatures (max 26°C on Mon morning, min 25°C on Mon night). Mainly fresh winds.

Days 7–9 Weather Summary

Some drizzle, heaviest during Thu afternoon. Warm (max 26°C on Thu morning, min 25°C on Thu afternoon). Mainly fresh winds.

Days 10–12 Weather Summary

Mostly dry. Warm (max 26°C on Sun morning, min 25°C on Sun night). Mainly fresh winds.

Friday
27
Saturday
28
Sunday
1
Monday
2
Tuesday
3
Wednesday
4
Thursday
5
Friday
6
Saturday
7
Sunday
8
Monday
9
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Sat
14
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
6:31AM0.11m
5:19PM0.27m
7:09AM0.13m
6:25PM0.27m
7:42AM0.16m
7:20PM0.28m
8:12AM0.18m
8:07PM0.27m
8:40AM0.20m
8:51PM0.25m
9:07AM0.22m
9:32PM0.23m
9:33AM0.23m
10:11PM0.20m
9:58AM0.24m
10:50PM0.18m
10:26AM0.25m
11:29PM0.15m
10:58AM0.24m
00:13AM0.13m
11:35AM0.23m
1:07AM0.11m
12:21PM0.23m
2:30AM0.09m
1:21PM0.21m
4:52AM0.09m
2:40PM0.21m
5:54AM0.11m
4:05PM0.22m
Low Tide
10:52AM0.06m
1:07AM-0.05m
12:07PM0.04m
1:49AM-0.05m
1:09PM0.02m
2:26AM-0.05m
2:04PM-0.01m
2:58AM-0.04m
2:54PM-0.03m
3:28AM-0.03m
3:41PM-0.04m
3:57AM-0.01m
4:26PM-0.05m
4:25AM0.01m
5:10PM-0.05m
4:52AM0.02m
5:55PM-0.04m
5:18AM0.04m
6:45PM-0.02m
7:43PM-0.01m
6:07AM0.07m
8:57PM0.01m
6:37AM0.08m
10:21PM0.01m
7:50AM0.09m
11:34PM0.01m
9:49AM0.09m
Wave
height (m) 
direction
period (s) 
1.2
E
7
1.1
E
7
1.1
E
8
1.1
ESE
8
1.1
ESE
8
1
ESE
8
1
ESE
8
1
ESE
8
1
ESE
8
0.9
ESE
8
0.9
ESE
8
1.2
NE
5
1.4
NE
5
1.3
NE
6
1.3
ENE
6
1.3
ENE
6
1.2
ENE
6
1.3
E
7
1.5
E
6
1.5
ESE
8
1.6
ESE
8
1.6
ESE
9
1.6
ESE
9
1.6
ESE
9
1.6
ESE
9
1.4
ESE
9
1.6
E
6
1.6
E
6
1.7
E
7
1.6
ESE
8
1.7
E
7
1.7
ESE
8
1.8
ESE
8
1.8
ESE
9
1.9
ESE
9
1.8
ESE
9
1.7
ESE
9
1.6
E
9
1.4
ESE
9
1.2
ESE
9
1.1
E
9
0.9
ESE
8
1
E
8
1
E
8
1
N
9
0.9
NNE
8
1
NE
8
clear
clear
clear
thunderstorm
thunderstorm
clear
thunderstorm
clear
clear
clear
clear
thunderstorm
clear
thunderstorm
clear
clear
clear
clear
clear
thunderstorm
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
risk tstorm
risk tstorm
clear
risk tstorm
clear
clear
clear
clear
risk tstorm
clear
risk tstorm
clear
clear
clear
clear
clear
risk tstorm
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
risk tstorm
clear
clear
clear
clear
clear
clear
clear
 km/h
25
ESE
25
ESE
25
ESE
25
ESE
20
E
20
E
20
E
25
ENE
25
ENE
20
ENE
20
NE
25
ENE
30
ENE
25
ENE
25
ENE
25
E
25
E
30
E
30
ESE
30
E
35
E
30
E
30
E
30
E
30
E
30
E
35
E
35
ESE
35
ESE
35
ESE
35
ESE
30
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
30
ESE
30
ESE
20
E
20
E
20
E
25
E
25
E
25
E
25
ESE
25
ESE
 mm 
1
1
1
1
1
1
2
max°C
26
26
26
26
26
26
26
26
26
26
26
25
26
25
26
26
26
26
26
26
25
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
25
26
26
26
26
26
26
26
Moonrise
2:13
3:16
4:16
5:12
6:06
6:57
7:48
8:39
9:30
10:23
11:16
12:09
1:01
1:51
2:38
Moonset
2:55
3:48
4:35
5:16
5:55
6:30
7:05
7:40
8:17
8:56
9:38
10:24
11:14
12:07
1:01
1:57
Sunrise
5:54
5:54
5:54
5:52
5:52
5:52
5:50
5:50
5:50
5:48
5:48
5:47
5:47
5:46
5:45
5:43
Sunset
5:40
5:40
5:42
5:42
5:42
5:42
5:43
5:43
5:43
5:44
5:44
5:44
5:44
5:44
5:45
5:45
Today's sea temperature in Harbor Bay, Great Swan Island is
26.7° C
(Statistics for 27 Feb 1981-2005 – mean: 26.5 max: 27.3 min: 25.7°C)
Issued (local time): 11 am Friday 27 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest