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 06:58 AM and sunset is at 07:43 PM.

Days 1–3 Weather Summary

Heavy rain (total 31mm), heaviest during Wed morning. Warm air temperatures (max 22°C on Wed afternoon, min 19°C on Wed night). Winds decreasing (near gales from the S on Wed morning, calm by Thu night).

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 19°C on Sat morning, min 16°C on Sun night). Winds decreasing (fresh winds from the NNE on Sat morning, light winds from the SSE by Mon night).

Days 7–9 Weather Summary

Mostly dry. Very mild (max 19°C on Thu afternoon, min 17°C on Tue morning). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 2mm), mostly falling on Fri night. Very mild (max 19°C on Fri morning, min 17°C on Sat morning). Mainly fresh winds.

Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thu
23
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
High Tide
1:38PM0.66m
2:04AM0.75m
2:31PM0.64m
3:00AM0.74m
3:31PM0.65m
4:02AM0.74m
4:33PM0.68m
5:02AM0.76m
5:32PM0.73m
5:59AM0.78m
6:25PM0.80m
6:51AM0.82m
7:14PM0.88m
7:40AM0.84m
8:01PM0.95m
8:27AM0.86m
8:47PM1.01m
9:14AM0.87m
9:35PM1.05m
10:01AM0.86m
10:23PM1.05m
10:50AM0.84m
11:14PM1.04m
11:41AM0.81m
00:07AM0.99m
12:36PM0.77m
1:06AM0.94m
1:37PM0.74m
Low Tide
7:49AM0.19m
7:39PM0.17m
8:41AM0.22m
8:34PM0.19m
9:38AM0.22m
9:37PM0.20m
10:35AM0.21m
10:42PM0.18m
11:28AM0.17m
11:45PM0.14m
12:17PM0.12m
00:41AM0.08m
1:02PM0.07m
1:34AM0.02m
1:46PM0.02m
2:25AM-0.03m
2:30PM-0.02m
3:14AM-0.06m
3:14PM-0.06m
4:03AM-0.08m
4:00PM-0.07m
4:53AM-0.07m
4:49PM-0.07m
5:46AM-0.05m
5:40PM-0.05m
6:41AM-0.01m
6:37PM-0.01m
7:41AM0.03m
7:40PM0.03m
Wave
height (m) 
direction
period (s) 
2.1
SSE
6
3
S
8
3
NNE
9
3
NNE
10
3
NNE
10
2.5
NNE
10
2.5
NNE
11
2.4
NNE
11
3
NE
11
2.5
NE
10
2.4
NE
10
1.9
NE
10
1.6
NE
10
1.5
ENE
10
1.7
ENE
9
1.6
NE
8
1.4
NE
8
1.2
ENE
8
1
E
8
1
E
8
0.9
E
8
0.9
ENE
8
1
ENE
8
1
ENE
8
0.9
ENE
7
0.9
E
7
0.8
E
7
0.9
NE
7
0.9
NNE
8
1
NNW
7
1.2
NW
8
1.3
NNW
9
1.4
NNE
11
1.5
NNE
11
1.4
NE
11
1.5
NE
10
1.4
NE
10
1.4
NE
10
1.2
NE
9
1.1
NE
9
1
NE
9
1
NE
8
0.9
NE
9
0.8
ENE
9
0.8
ENE
8
0.8
ENE
8
0.9
NE
8
rain showers
thunderstorm
rain showers
light rain
rain showers
light rain
thunderstorm
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
cloud
rain showers
part cloud
part cloud
cloud
cloud
cloud
part cloud
rain showers
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
rain shwrs
risk tstorm
rain shwrs
light rain
rain shwrs
light rain
risk tstorm
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
rain shwrs
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
rain shwrs
clear
clear
clear
some clouds
clear
some clouds
some clouds
clear
clear
clear
 km/h
45
S
50
S
25
NE
35
NE
25
ENE
15
NE
15
NNW
25
NNW
45
NNE
35
NNE
35
NNE
25
NNE
30
NNE
25
NNE
30
NE
25
ENE
15
ENE
15
ESE
5
SSW
5
SW
5
SW
10
W
5
SW
5
SW
15
SSW
15
SW
10
SW
15
WSW
20
W
15
NNW
30
NNE
25
NNE
25
NE
20
ENE
20
ENE
25
ENE
25
ENE
25
ENE
20
ENE
15
ENE
15
NE
10
E
5
SSE
10
SSE
5
W
15
SSW
20
SW
 mm 
9
3
6
4
4
2
3
2
1
max°C
21
22
19
19
19
20
20
19
19
19
19
18
18
19
17
16
17
17
17
18
18
17
18
18
18
19
19
19
19
19
18
18
18
19
19
19
19
20
19
19
19
19
19
20
20
19
20
Moonrise
1:16
2:05
2:48
3:27
4:01
4:32
5:02
5:30
6:00
6:33
7:11
7:56
8:49
9:51
10:58
12:08
Moonset
10:56
11:52
12:50
1:51
2:53
3:55
4:58
6:03
7:10
8:21
9:36
10:50
12:01
1:05
1:58
Sunrise
6:58
6:58
6:56
6:54
6:54
6:52
6:52
6:50
6:48
6:48
6:47
6:46
6:45
6:43
6:41
6:41
Sunset
7:43
7:44
7:45
7:45
7:45
7:46
7:46
7:47
7:49
7:50
7:50
7:51
7:52
7:52
7:52
7:53
Today's sea temperature in Great Sound Island is
20.6° C
(Statistics for 08 Apr 1981-2005 – mean: 19.7 max: 21.3 min: 18.9°C)
Issued (local time): 2 am Wednesday 08 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest