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 05:40 PM.

Days 1–4 Weather Summary

Light rain (total 5mm), mostly falling on Sat morning. Warm air temperatures (max 26°C on Fri afternoon, min 25°C on Sat night). Wind will be generally light.

Days 5–7 Weather Summary

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

Days 8–10 Weather Summary

Light rain (total 5mm), mostly falling on Thu afternoon. Warm (max 26°C on Thu afternoon, min 25°C on Thu night). Mainly fresh winds.

Days 11–13 Weather Summary

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

Fri
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
Saturday
14
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
night
Wave Height Map
High Tide
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
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) 
1.1
E
7
1.1
E
8
1.1
E
8
1
ESE
8
1
E
8
0.9
ESE
8
1
ESE
8
1.1
ESE
8
1
ESE
8
1
ESE
8
1.3
ENE
5
1.3
ENE
5
1.4
NE
6
1.3
ENE
6
1.3
ENE
6
1.1
ENE
6
1.3
E
8
1.5
E
6
1.6
ESE
8
1.6
ESE
9
1.6
ESE
8
1.6
ESE
9
1.6
ESE
8
1.4
ESE
8
1.4
ESE
8
1.6
ESE
8
1.7
E
7
1.5
E
8
1.4
ESE
8
1.4
ESE
9
1.3
ESE
9
1.2
ESE
9
1.4
ESE
8
1.3
ESE
9
1.2
ESE
8
1.3
ESE
8
1.3
ESE
8
1.3
ESE
8
1.3
ESE
8
1.2
ESE
8
1.1
E
8
1.1
ESE
8
1
E
8
1.1
E
8
1.1
ESE
8
1.1
ESE
8
1.3
E
8
thunderstorm
clear
thunderstorm
clear
clear
rain showers
clear
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
thunderstorm
risk tstorm
clear
risk tstorm
clear
clear
rain shwrs
clear
clear
clear
clear
clear
clear
risk tstorm
risk tstorm
clear
clear
clear
clear
risk tstorm
risk tstorm
risk tstorm
risk tstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
risk tstorm
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
risk tstorm
 km/h
20
ESE
25
ESE
20
ESE
15
ESE
20
E
20
E
25
ENE
25
E
25
ENE
25
NE
25
ENE
30
ENE
25
ENE
20
E
25
E
25
E
30
E
30
ESE
30
E
35
E
30
E
30
E
30
E
30
E
30
E
35
E
30
E
25
E
30
ENE
25
ENE
25
ENE
25
E
25
E
25
ESE
25
E
30
ESE
25
ESE
25
E
30
E
25
E
20
ENE
25
E
25
ENE
25
ENE
25
ENE
25
E
30
ENE
 mm 
1
3
1
1
1
1
1
2
1
1
1
max°C
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
Moonrise
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
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
5:52
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): 5 pm Friday 27 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest