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 07:31 AM and sunset is at 07:24 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Fri morning. Warm air temperatures (max 21°C on Sat afternoon, min 18°C on Sat night). Winds increasing (light winds from the NNW on Fri afternoon, fresh winds from the E by Sun night).

Days 4–6 Weather Summary

Moderate rain (total 12mm), heaviest on Wed morning. Warm air temperatures (max 22°C on Wed morning, min 19°C on Mon morning). Winds decreasing (strong winds from the S on Tue night, calm by Wed afternoon).

Days 7–9 Weather Summary

Moderate rain (total 12mm), heaviest on Fri morning. Warm (max 22°C on Thu night, min 17°C on Sat night). Winds decreasing (near gales from the SW on Fri afternoon, light winds from the WNW by Sat night).

Days 10–12 Weather Summary

Moderate rain (total 13mm), heaviest on Sun night. Very mild (max 19°C on Sun afternoon, min 12°C on Mon afternoon). Winds decreasing (strong winds from the NNW on Mon morning, calm by Tue night).

Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Sat
28
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
5:13PM0.61m
5:51AM0.74m
6:12PM0.66m
6:44AM0.78m
7:04PM0.72m
7:31AM0.82m
7:50PM0.79m
8:15AM0.85m
8:34PM0.85m
8:57AM0.87m
9:16PM0.91m
9:40AM0.88m
9:59PM0.96m
10:23AM0.87m
10:43PM0.98m
11:07AM0.84m
11:30PM0.98m
11:55AM0.80m
00:20AM0.95m
12:46PM0.75m
1:16AM0.91m
1:43PM0.71m
2:20AM0.86m
2:49PM0.67m
3:31AM0.82m
4:02PM0.67m
4:46AM0.81m
5:14PM0.69m
Low Tide
11:27AM0.20m
11:19PM0.13m
12:21PM0.16m
00:18AM0.10m
1:07PM0.11m
1:11AM0.05m
1:49PM0.06m
2:01AM0.01m
2:28PM0.01m
2:48AM-0.04m
3:07PM-0.03m
3:34AM-0.07m
3:46PM-0.06m
4:20AM-0.08m
4:27PM-0.08m
5:07AM-0.08m
5:10PM-0.08m
5:57AM-0.05m
5:56PM-0.06m
6:51AM-0.01m
6:48PM-0.03m
7:51AM0.04m
7:46PM0.01m
8:57AM0.08m
8:54PM0.04m
10:08AM0.09m
10:08PM0.05m
11:16AM0.08m
Wave
height (m) 
direction
period (s) 
1.1
E
8
1.1
E
8
1.4
WNW
8
1.6
NW
9
1.3
NNW
9
1.1
N
8
1.1
NE
8
1.3
NNE
9
1.8
NNE
9
1.8
NE
8
1.7
ENE
8
1.8
E
7
2
SE
7
2.1
SE
7
2.2
SE
7
2.2
SSE
7
2
SE
8
1.9
SE
8
1.9
ENE
8
1.8
ENE
8
2
E
7
3
S
7
3
S
8
3
SSW
8
2.2
S
8
1.9
S
8
1.6
WSW
7
1.4
NNE
7
1.6
NE
7
1.9
W
7
2.5
NW
8
3
NNW
10
3
NNW
11
2.3
NNW
10
1.8
NNW
10
1.5
N
10
1.3
NNE
12
1.3
NNE
11
1.6
NW
7
1.8
NW
9
2.2
NW
8
2.5
NNW
10
3.5
N
12
3.5
N
12
3.5
N
12
3
NNE
12
3
NNE
14
light rain
part cloud
clear
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
mod rain
light rain
light rain
part cloud
rain showers
thunderstorm
light rain
light rain
thunderstorm
clear
clear
part cloud
clear
cloud
rain showers
clear
cloud
cloud
cloud
part cloud
clear
clear
part cloud
cloud
light rain
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
light rain
some clouds
clear
clear
clear
some clouds
clear
clear
some clouds
clear
clear
clear
clear
clear
some clouds
mod rain
light rain
light rain
some clouds
rain shwrs
risk tstorm
light rain
light rain
risk tstorm
clear
clear
some clouds
clear
cloudy
rain shwrs
clear
cloudy
cloudy
cloudy
some clouds
clear
clear
some clouds
cloudy
light rain
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
 km/h
25
SW
20
WNW
10
S
15
SSW
20
SW
10
N
25
NE
30
ENE
35
E
35
ESE
35
SE
35
SE
40
SSE
40
SSE
40
S
35
S
20
W
15
SE
25
SSE
30
S
35
S
55
SSW
55
SW
35
W
35
NW
30
NNW
5
WNW
25
SW
40
WSW
40
W
45
NNW
50
NNW
35
NNE
30
N
15
NNE
5
NNW
15
WSW
30
WSW
35
W
45
N
40
N
40
N
45
NNW
45
NNW
45
N
40
N
35
N
 mm 
2
6
4
2
1
1
5
3
2
13
2
max°C
20
19
20
20
21
19
18
18
19
19
20
20
20
21
21
22
19
21
21
21
22
22
21
20
18
18
18
18
19
19
15
13
12
13
13
14
15
17
18
17
15
14
13
14
14
14
15
Moonrise
4:12
4:54
5:31
6:04
6:35
7:04
7:33
8:04
8:38
9:17
10:03
10:58
12:00
1:07
2:16
3:24
Moonset
2:04
3:05
4:07
5:10
6:14
7:18
8:23
9:31
10:42
11:55
1:06
2:13
3:11
4:01
4:41
Sunrise
7:31
7:31
7:30
7:28
7:26
7:26
7:24
7:22
7:22
7:20
7:18
7:18
7:16
7:15
7:13
7:13
Sunset
7:24
7:25
7:25
7:27
7:28
7:29
7:29
7:30
7:30
7:30
7:31
7:32
7:34
7:34
7:35
7:36
Today's sea temperature in Great Sound Island is
20.1° C
(Statistics for 13 Mar 1981-2005 – mean: 19.4 max: 20.5 min: 18.6°C)
Issued (local time): 2 am Friday 13 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest