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 06:12 PM.

Days 1–4 Weather Summary

Moderate rain (total 10mm), heaviest on Fri night. Warm air temperatures (max 28°C on Thu afternoon, min 27°C on Thu night). Mainly fresh winds.

Days 5–7 Weather Summary

Light rain (total 5mm), mostly falling on Sun afternoon. Warm air temperatures (max 28°C on Sun afternoon, min 27°C on Sun afternoon). Mainly fresh winds.

Days 8–10 Weather Summary

Heavy rain (total 27mm), heaviest during Wed night. Warm (max 27°C on Wed afternoon, min 26°C on Wed night). Mainly strong winds.

Days 11–13 Weather Summary

Heavy rain (total 75mm), heaviest during Sun night. Warm (max 28°C on Mon night, min 24°C on Sun afternoon). Winds increasing (moderate winds from the ESE on Sun night, strong winds from the ENE by Tue afternoon).

Thu
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tue
1
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
3:04PM0.18m
3:15AM0.27m
4:39PM0.16m
4:03AM0.30m
6:02PM0.16m
7:08PM0.16m
8:02PM0.16m
6:44AM0.36m
8:49PM0.16m
7:38AM0.37m
9:33PM0.16m
8:30AM0.36m
10:14PM0.16m
9:20AM0.35m
10:55PM0.17m
10:08AM0.32m
11:35PM0.18m
10:56AM0.29m
00:14AM0.19m
11:46AM0.25m
00:54AM0.20m
Low Tide
9:15PM0.05m
10:47AM0.01m
10:03PM0.07m
11:54AM-0.03m
10:52PM0.08m
12:53PM-0.06m
11:44PM0.08m
1:48PM-0.08m
00:35AM0.08m
2:41PM-0.09m
1:27AM0.07m
3:31PM-0.08m
2:18AM0.06m
4:18PM-0.07m
3:11AM0.06m
5:04PM-0.05m
4:05AM0.06m
5:47PM-0.03m
5:02AM0.06m
6:29PM-0.01m
6:06AM0.07m
7:09PM0.02m
7:17AM0.07m
Wave
height (m) 
direction
period (s) 
1.9
E
8.0
1.7
E
7.0
1.5
E
8.0
1.4
E
9.0
1.3
E
8.0
1.2
E
8.0
1.4
ESE
8.0
1.3
E
8.0
1.2
ESE
8.0
1.2
ESE
9.0
1.3
ESE
9.0
1.2
E
8.0
1.3
ESE
8.0
1.3
ESE
8.0
1.3
ESE
8.0
1.4
ESE
8.0
1.5
E
8.0
1.5
E
7.0
1.5
E
7.0
1.8
E
7.0
1.7
E
7.0
1.9
E
7.0
1.9
E
8.0
1.8
E
7.0
2
E
7.0
1.9
E
7.0
1.7
E
7.0
1.7
E
7.0
1.6
E
8.0
1.5
E
8.0
1.9
E
6.0
1.8
E
7.0
1.4
ESE
8.0
1.6
E
6.0
1.5
E
7.0
1.6
E
6.0
thunderstorm
part cloud
cloud
part cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
part cloud
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
risk tstorm
some clouds
cloudy
some clouds
risk tstorm
risk tstorm
some clouds
risk tstorm
some clouds
rain shwrs
some clouds
some clouds
some clouds
some clouds
some clouds
rain shwrs
risk tstorm
risk tstorm
risk tstorm
risk tstorm
mod rain
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
clear
some clouds
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
 km/h
35
E
30
E
30
E
25
ENE
25
E
25
ENE
30
ENE
25
E
25
E
25
ENE
30
E
30
E
30
E
25
ENE
30
E
30
E
35
E
30
E
30
ENE
35
ESE
35
ESE
40
ESE
35
ESE
35
E
40
E
35
E
35
E
35
E
35
E
30
E
40
E
20
ESE
30
ESE
35
ESE
30
E
40
E
 mm 
1
7
1
1
1
1
2
1
3
7
6
2
5
2
1
1
3
3
24
28
4
2
5
4
max°C
28
28
27
28
28
28
28
27
28
28
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
26
27
27
27
28
27
Moonrise
12:34
1:16
2:04
2:57
3:57
5:02
6:08
7:11
8:11
9:06
9:57
10:46
Moonset
12:28
1:26
2:28
3:34
4:42
5:49
6:52
7:48
8:36
9:18
9:55
10:30
11:02
Sunrise
5:01
5:01
5:01
5:01
5:03
5:03
5:03
5:03
5:03
5:03
5:03
5:03
Sunset
6:12
6:12
6:12
6:12
6:12
6:13
6:13
6:13
6:13
6:13
6:13
6:14
Today's sea temperature in Harbor Bay, Great Swan Island is 28.7 °C (Statistics for 19 Jun 1981-2005 – mean: 28.3 max: 28.9 min: 27.7°C)
Issued (local time): 5 pm Thursday 19 Jun 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest