Great Sound Island Sea Conditions and Tide Table

Great Sound 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 05:17 PM.

Days 1–4 Weather Summary

Light rain (total 6mm), mostly falling on Wed afternoon. Cool air temperatures (max 19°C on Wed morning, min 15°C on Mon night). Winds increasing (light winds from the NNW on Tue afternoon, near gales from the WSW by Wed afternoon).

Days 5–7 Weather Summary

Light rain (total 4mm), mostly falling on Fri afternoon. Warm air temperatures (max 20°C on Sat afternoon, min 15°C on Thu afternoon). Winds decreasing (strong winds from the WSW on Fri morning, calm by Fri night).

Days 8–10 Weather Summary

Moderate rain (total 16mm), heaviest on Mon morning. Warm (max 21°C on Sun night, min 13°C on Tue night). Mainly strong winds.

Days 11–13 Weather Summary

Light rain (total 8mm), mostly falling on Wed afternoon. Warm (max 20°C on Fri morning, min 15°C on Wed afternoon). Mainly fresh winds.

Mon
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Sat
3
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
10:16PM0.66m
10:31AM0.84m
10:57PM0.67m
11:11AM0.81m
11:41PM0.68m
11:54AM0.78m
00:28AM0.71m
12:43PM0.74m
1:21AM0.73m
1:37PM0.70m
2:19AM0.77m
2:37PM0.67m
3:21AM0.81m
3:40PM0.65m
4:24AM0.85m
4:45PM0.65m
5:27AM0.90m
5:48PM0.66m
6:28AM0.93m
6:49PM0.68m
7:25AM0.95m
7:46PM0.70m
8:19AM0.96m
Low Tide
4:25PM0.03m
4:10AM0.03m
5:02PM0.02m
5:40PM0.02m
5:41AM0.05m
6:21PM0.01m
6:35AM0.06m
7:05PM-0.00m
7:36AM0.06m
7:55PM-0.02m
8:42AM0.05m
8:50PM-0.04m
9:51AM0.03m
9:48PM-0.06m
10:59AM-0.00m
10:49PM-0.09m
12:02PM-0.04m
11:50PM-0.12m
1:02PM-0.08m
00:49AM-0.16m
1:57PM-0.12m
1:46AM-0.18m
Wave
height (m) 
direction
period (s) 
3
NNW
8
3
NNW
10
2.5
NNW
10
2.1
N
10
1.7
N
10
3
WSW
7
3.5
WNW
10
4.5
NW
11
3.5
NW
11
3.5
N
12
2.5
NNE
13
2.5
NNW
9
2.3
N
10
2.2
N
11
1.8
N
11
2.2
NNW
9
2.1
NNW
8
1.7
N
10
1.5
NNE
10
2.2
WSW
6
2.4
WNW
8
2.4
WNW
8
3
NW
10
3
NW
11
2.5
NW
10
2.1
NW
10
1.8
NW
9
1.8
NW
9
1.6
NW
8
1.4
NW
8
1.3
NW
8
1.2
NW
7
1.5
WNW
7
1.4
WNW
7
1.3
WNW
7
1.2
WNW
7
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
thunderstorm
part cloud
part cloud
part cloud
part cloud
cloud
light rain
part cloud
part cloud
thunderstorm
part cloud
cloud
part cloud
rain showers
thunderstorm
part cloud
part cloud
light rain
light rain
rain showers
cloud
rain showers
rain showers
part cloud
part cloud
clear
part cloud
clear
rain showers
rain showers
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
risk tstorm
some clouds
some clouds
some clouds
some clouds
cloudy
light rain
some clouds
some clouds
risk tstorm
some clouds
cloudy
some clouds
rain shwrs
risk tstorm
some clouds
some clouds
light rain
light rain
rain shwrs
cloudy
rain shwrs
rain shwrs
some clouds
some clouds
clear
some clouds
clear
rain shwrs
rain shwrs
 km/h
50
NNW
40
N
25
N
5
NNW
40
SW
60
WSW
55
WNW
55
NW
30
N
15
NW
35
WSW
45
WSW
25
NNW
0
ESE
25
SSW
40
W
30
N
15
ENE
30
SSW
50
WSW
25
NW
40
W
45
W
35
W
35
WNW
30
NW
30
WNW
30
WNW
30
WNW
25
W
25
WSW
30
SW
35
WSW
30
WSW
30
WSW
25
SW
 mm 
6
2
2
1
9
2
1
3
1
1
3
2
max°C
17
15
15
15
18
19
19
18
15
16
18
19
19
17
19
20
20
17
19
21
20
20
19
16
15
16
15
15
16
17
17
18
20
20
19
19
Moonrise
10:01
10:33
11:02
11:30
11:58
12:28
1:01
1:40
2:28
3:25
4:32
Moonset
7:40
8:41
9:42
10:43
11:45
12:48
1:54
3:04
4:18
5:32
6:42
7:43
Sunrise
7:16
7:16
7:18
7:18
7:18
7:18
7:18
7:20
7:20
7:20
7:20
7:20
Sunset
5:17
5:19
5:19
5:20
5:21
5:21
5:22
5:22
5:22
5:23
5:24
5:25
Today's sea temperature in Great Sound Island is
21.9° C
(Statistics for 22 Dec 1981-2005 – mean: 21.2 max: 22.5 min: 20.1°C)
Issued (local time): 1 pm Monday 22 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest