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 05:24 AM and sunset is at 05:29 PM.

Days 1–3 Weather Summary

Light rain (total 5mm), mostly falling on Sun morning. Warm air temperatures (max 29°C on Fri afternoon, min 28°C on Fri morning). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 36mm), heaviest during Wed night. Warm air temperatures (max 29°C on Mon afternoon, min 26°C on Wed morning). Mainly fresh winds.

Days 7–9 Weather Summary

Moderate rain (total 17mm), heaviest on Thu morning. Warm (max 28°C on Thu afternoon, min 27°C on Thu morning). Mainly fresh winds.

Days 10–12 Weather Summary

Moderate rain (total 11mm), heaviest on Sun afternoon. Warm (max 28°C on Sun morning, min 28°C on Sun morning). Mainly fresh winds.

Days 13–16 Weather Summary

Heavy rain (total 68mm), heaviest during Fri afternoon. Warm (max 28°C on Wed morning, min 27°C on Wed afternoon). Winds decreasing (strong winds from the ENE on Wed afternoon, light winds from the ENE by Thu night).

Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tuesday
6
Wednesday
7
Thursday
8
Friday
9
Sat
10
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
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
7:27AM0.33m
7:44PM0.30m
8:10AM0.33m
8:10PM0.33m
8:54AM0.31m
8:38PM0.35m
9:39AM0.30m
9:09PM0.37m
10:27AM0.27m
9:44PM0.38m
11:18AM0.24m
10:25PM0.38m
12:19PM0.21m
11:16PM0.38m
1:36PM0.20m
00:20AM0.37m
3:11PM0.19m
1:43AM0.35m
4:30PM0.20m
3:20AM0.34m
5:22PM0.23m
4:45AM0.34m
6:01PM0.25m
6:34PM0.28m
6:50AM0.33m
7:05PM0.31m
7:39AM0.32m
Low Tide
2:08PM0.08m
2:15AM0.06m
2:33PM0.09m
2:57AM0.03m
3:00PM0.10m
3:41AM0.02m
3:30PM0.11m
4:28AM0.01m
4:01PM0.12m
5:19AM0.01m
4:35PM0.13m
6:18AM0.02m
5:12PM0.14m
7:28AM0.05m
6:00PM0.16m
8:50AM0.06m
7:11PM0.16m
10:12AM0.07m
8:52PM0.16m
11:17AM0.07m
10:28PM0.15m
12:06PM0.07m
11:44PM0.12m
12:45PM0.08m
00:45AM0.09m
1:19PM0.09m
1:37AM0.05m
1:51PM0.10m
Wave
Height (m)
Direction
Period (s)
0.6
E
7
0.6
E
7
0.6
E
7
0.6
E
7
0.5
E
6
0.6
E
6
0.6
E
6
0.7
E
6
0.8
E
6
0.9
E
6
1
E
6
1
E
6
1
E
6
1.1
E
6
1.4
E
6
1.7
E
8
1.5
E
7
1.9
E
7
1.8
E
7
1.9
E
7
1.9
E
7
1.9
E
7
1.8
E
7
1.8
E
7
1.7
E
7
1.5
E
7
1.6
E
7
1.6
E
7
1.6
E
7
1.8
E
7
1.8
E
7
1.8
E
7
1.9
E
7
1.5
E
7
1.3
E
7
1.6
ESE
7
1.7
ESE
7
2
ESE
8
2.5
ESE
9
1.9
ESE
8
1.6
E
7
1.3
E
7
1.1
E
6
1.1
E
6
1.6
E
7
1.7
E
7
1.7
E
7
thunderstorm
part cloud
part cloud
cloud
cloud
rain showers
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
thunderstorm
clear
clear
thunderstorm
clear
thunderstorm
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
risk tstorm
some clouds
some clouds
cloudy
cloudy
rain shwrs
risk tstorm
some clouds
some clouds
risk tstorm
risk tstorm
risk tstorm
risk tstorm
some clouds
rain shwrs
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
rain shwrs
risk tstorm
risk tstorm
risk tstorm
clear
clear
risk tstorm
clear
risk tstorm
rain shwrs
risk tstorm
risk tstorm
risk tstorm
risk tstorm
clear
risk tstorm
clear
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
km/h
15
ESE
10
E
20
ESE
15
ESE
15
E
15
ESE
15
ESE
15
E
25
ESE
25
ESE
25
SE
25
ESE
25
ESE
30
ESE
30
E
20
ESE
30
ESE
35
E
30
SE
35
SE
35
SE
35
SE
35
SE
35
ESE
30
ESE
30
ESE
35
E
30
E
30
E
35
E
35
ESE
35
ESE
35
ESE
25
ESE
30
ESE
30
E
30
E
40
ENE
35
ENE
30
ENE
20
ENE
20
ENE
20
E
20
E
30
ENE
30
ENE
25
E
 mm
2
—
—
—
—
1
2
—
—
4
3
2
2
—
7
5
1
12
6
1
2
4
1
2
—
—
1
—
1
3
1
1
2
2
—
1
—
2
6
2
10
8
10
12
5
5
2
max °C
28
29
28
28
28
28
29
29
28
28
29
29
29
28
28
26
27
27
27
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
27
28
28
28
28
28
28
28
28
28
Moonrise
—
4:50
—
—
5:27
—
—
6:06
—
—
6:49
—
—
7:37
—
—
8:31
—
—
—
9:30
—
—
10:34
—
—
11:38
—
—
—
12:42
—
—
1:42
—
—
2:40
—
—
3:34
—
—
4:28
—
—
5:20
—
Moonset
4:21
—
—
5:14
—
—
6:09
—
—
7:06
—
—
8:07
—
—
9:11
—
—
10:16
—
—
11:20
—
—
12:20
—
—
1:14
—
—
2:01
—
—
2:44
—
—
—
3:24
—
—
4:01
—
—
4:37
—
—
5:14
Sunrise
5:24
—
—
5:24
—
—
5:24
—
—
5:24
—
—
5:24
—
—
5:24
—
—
5:24
—
—
5:26
—
—
5:26
—
—
5:26
—
—
5:26
—
—
5:26
—
—
5:26
—
—
5:26
—
—
5:26
—
—
5:26
—
Sunset
—
5:29
—
—
5:28
—
—
5:28
—
—
5:27
—
—
5:25
—
—
5:24
—
—
5:23
—
—
5:22
—
—
5:22
—
—
5:22
—
—
5:21
—
—
5:20
—
—
5:20
—
—
5:19
—
—
5:17
—
—
5:16
Today's sea temperature in Harbor Bay, Great Swan Island is
30.0°C
(Statistics for 25 Sep 1981-2005 – mean: 29.1 max: 29.8 min: 28.1°C)
Issued (local time): 11 am Friday 25 Sep 2026
Forecast update inUpdates in  hr  min  sUpdate imminent 
Nearest locationNearest