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 07:25 PM.

Days 1–4 Weather Summary

Light rain (total 3mm), mostly falling on Sat night. Warm air temperatures (max 21°C on Sat afternoon, min 18°C on Sat night). Winds increasing (light winds from the W on Sat night, strong winds from the SSE by Tue morning).

Days 5–7 Weather Summary

Heavy rain (total 45mm), heaviest during Wed afternoon. Warm air temperatures (max 23°C on Thu night, min 19°C on Wed morning). Winds decreasing (strong winds from the S on Tue afternoon, light winds from the SSW by Wed night).

Days 8–10 Weather Summary

Light rain (total 9mm), mostly falling on Fri afternoon. Warm (max 22°C on Sat morning, min 17°C on Sat night). Winds decreasing (gales from the SSW on Sat morning, moderate winds from the NW by Sun morning).

Days 11–13 Weather Summary

Mostly dry. Warm (max 21°C on Tue afternoon, min 17°C on Tue night). Winds decreasing (strong winds from the WSW on Mon night, light winds from the SE by Wed night).

Sat
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
Saturday
28
Sunday
29
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
night
Wave Height Map
High Tide
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
5:54AM0.81m
6:19PM0.74m
Low Tide
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
11:22PM0.04m
12:16PM0.05m
Wave
height (m) 
direction
period (s) 
1.4
NW
9
1.1
N
8
1.1
NE
8
1.3
ENE
8
1.6
NE
7
1.7
ENE
7
1.7
ENE
8
1.9
SE
6
2.1
SE
7
2.3
SSE
7
2.3
SSE
8
2.2
SSE
8
2
SSE
9
2.1
ENE
8
1.8
ENE
8
1.8
ENE
8
1.8
E
8
2
E
8
2.4
SSE
7
3
S
8
4
SSW
9
5
SW
11
3.5
W
10
2.4
NW
9
2.1
NNW
9
1.8
NNW
8
2.2
W
7
2
WNW
8
1.9
WNW
8
2.1
WNW
8
2.2
WNW
8
1.9
WNW
8
1.6
WNW
8
1.4
NW
8
1.4
NW
8
1.2
NNW
8
1.2
NNW
8
1.1
NNW
8
1.3
N
9
1.5
W
6
2.2
SSW
6
2.1
SW
7
2.5
W
8
2.5
NW
10
3
NNW
11
2.5
NNW
11
3
NNW
10
clear
thunderstorm
part cloud
part cloud
clear
thunderstorm
clear
clear
clear
clear
thunderstorm
heavy rain
heavy rain
rain showers
part cloud
part cloud
mod rain
light rain
mod rain
rain showers
thunderstorm
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
thunderstorm
light rain
light rain
rain showers
rain showers
rain showers
mod rain
clear
risk tstorm
some clouds
some clouds
clear
risk tstorm
clear
clear
clear
clear
risk tstorm
heavy rain
heavy rain
rain shwrs
some clouds
some clouds
mod rain
light rain
mod rain
rain shwrs
risk tstorm
some clouds
cloudy
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
clear
some clouds
some clouds
risk tstorm
light rain
light rain
rain shwrs
rain shwrs
rain shwrs
mod rain
 km/h
20
SW
5
W
25
NE
35
ENE
35
ESE
35
SE
35
SE
40
SSE
40
SSE
40
S
40
S
30
SW
20
SSW
10
S
25
SSE
25
S
25
SSW
30
SSW
40
SW
50
SSW
65
SSW
50
W
40
NW
25
NW
25
WNW
35
WSW
45
W
25
WNW
40
WSW
40
WSW
35
W
25
WNW
20
NE
10
NE
15
ENE
10
E
10
SSE
20
SE
25
S
40
SSW
45
SW
40
W
40
WNW
35
NW
35
NW
20
NNW
50
NNE
 mm 
1
2
4
11
16
3
6
5
6
2
1
5
3
4
3
2
2
8
max°C
21
21
18
19
19
20
21
20
21
21
21
20
19
21
21
21
23
21
20
21
22
20
18
17
18
19
19
19
20
20
21
20
17
18
17
18
19
20
20
21
22
18
16
15
12
12
14
Moonrise
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
4:28
Moonset
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
5:16
Sunrise
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
7:11
Sunset
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
7:36
Today's sea temperature in Great Sound Island is
20.1° C
(Statistics for 14 Mar 1981-2005 – mean: 19.4 max: 20.5 min: 18.6°C)
Issued (local time): 2 pm Saturday 14 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest