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 06:05 AM and sunset is at 05:13 PM.

Days 1–3 Weather Summary

Light rain (total 6mm), mostly falling on Thu night. Warm air temperatures (max 26°C on Thu morning, min 25°C on Fri night). Mainly strong winds.

Days 4–6 Weather Summary

Moderate rain (total 13mm), heaviest on Sun night. Warm air temperatures (max 26°C on Sun morning, min 25°C on Sun night). Winds decreasing (fresh winds from the E on Sun morning, light winds from the ESE by Mon afternoon).

Days 7–9 Weather Summary

Moderate rain (total 11mm), heaviest on Wed morning. Warm (max 26°C on Wed morning, min 25°C on Wed morning). Mainly fresh winds.

Days 10–12 Weather Summary

Light rain (total 9mm), mostly falling on Sat morning. Warm (max 26°C on Sat morning, min 24°C on Mon afternoon). Winds increasing (calm on Sat night, strong winds from the NE by Mon morning).

Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
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
10:47AM0.17m
10:01PM0.30m
11:23AM0.18m
10:50PM0.28m
12:01PM0.19m
11:46PM0.24m
12:40PM0.21m
00:52AM0.20m
1:22PM0.23m
2:15AM0.16m
2:11PM0.25m
3:57AM0.14m
3:07PM0.27m
5:32AM0.13m
4:10PM0.29m
6:42AM0.13m
5:14PM0.30m
7:34AM0.13m
6:15PM0.31m
8:17AM0.14m
7:10PM0.32m
8:55AM0.14m
8:00PM0.32m
Low Tide
4:01PM0.05m
5:30AM-0.04m
4:56PM0.05m
6:08AM-0.02m
6:00PM0.04m
6:47AM0.00m
7:14PM0.03m
7:28AM0.03m
8:35PM0.01m
8:12AM0.05m
9:57PM-0.01m
9:03AM0.07m
11:13PM-0.04m
10:00AM0.08m
00:19AM-0.05m
11:01AM0.08m
1:17AM-0.07m
12:00PM0.07m
2:09AM-0.08m
12:56PM0.06m
2:55AM-0.08m
1:49PM0.05m
3:38AM-0.07m
Wave
height (m) 
direction
period (s) 
1.6
ENE
6
1.7
ENE
6
1.8
ENE
7
1.9
ENE
7
1.9
ENE
7
2.1
ENE
7
2.5
NE
7
2.5
NE
8
2.5
ENE
8
2.1
ENE
7
2.1
ENE
8
1.9
ENE
8
1.6
E
8
1.4
E
8
1.1
E
8
0.9
E
8
0.9
E
8
0.8
ESE
8
1.7
NNE
6
2.1
N
7
1.8
NE
6
1.4
NE
6
1.3
ENE
6
1
NE
7
0.8
ENE
7
0.8
E
6
0.6
E
6
0.6
ESE
7
0.7
ESE
6
0.6
ESE
6
0.6
NNW
8
0.7
N
8
1.4
WNW
6
2
N
6
2.5
N
8
2.4
NNE
7
thunderstorm
thunderstorm
thunderstorm
cloud
part cloud
clear
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
clear
clear
rain showers
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
part cloud
cloud
part cloud
risk tstorm
risk tstorm
risk tstorm
cloudy
some clouds
clear
some clouds
some clouds
some clouds
risk tstorm
risk tstorm
risk tstorm
clear
clear
rain shwrs
risk tstorm
some clouds
risk tstorm
risk tstorm
risk tstorm
risk tstorm
some clouds
clear
clear
clear
clear
risk tstorm
risk tstorm
risk tstorm
risk tstorm
clear
clear
clear
some clouds
cloudy
some clouds
 km/h
30
NE
35
NE
30
NE
30
NE
35
NE
35
NE
40
NE
40
NE
35
NE
30
E
25
E
20
ESE
15
SE
10
ESE
15
ENE
15
NNE
20
NNE
20
NE
35
NE
30
NE
30
NE
30
NE
25
ENE
20
E
20
ESE
20
ESE
20
E
20
SE
15
SE
10
E
5
SW
15
WNW
30
N
40
NE
35
NE
35
NE
 mm 
2.0
2.0
2.0
1.0
1.0
4
3
1.0
3
3
3
2.0
3
7
1.0
1.0
max°C
26
26
26
26
26
26
25
25
26
26
26
26
26
26
26
26
26
26
26
25
25
26
26
26
26
26
26
26
26
26
26
26
26
25
25
24
Moonrise
8:29
9:12
9:51
10:30
11:08
11:48
12:31
1:19
2:13
3:11
4:13
5:15
Moonset
8:04
9:02
9:58
10:54
11:51
12:50
1:51
2:55
4:00
5:02
6:00
Sunrise
6:05
6:05
6:05
6:07
6:07
6:07
6:07
6:07
6:07
6:07
6:07
6:07
Sunset
5:13
5:13
5:14
5:14
5:15
5:15
5:15
5:16
5:17
5:17
5:19
5:19
Today's sea temperature in Harbor Bay, Great Swan Island is 28.0 °C (Statistics for 02 Jan 1981-2005 – mean: 26.9 max: 27.4 min: 26.2°C)
Issued (local time): 11 am Thursday 02 Jan 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest