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 07:01 AM and sunset is at 06:05 PM.

Days 1–3 Weather Summary

Light rain (total 7mm), mostly falling on Mon afternoon. Warm air temperatures (max 21°C on Mon morning, min 14°C on Sat night). Winds increasing (light winds from the NE on Sat night, near gales from the SW by Mon morning).

Days 4–6 Weather Summary

Heavy rain (total 21mm), heaviest during Thu morning. Warm air temperatures (max 21°C on Thu afternoon, min 15°C on Tue morning). Winds increasing (light winds from the NNE on Wed night, gales from the SW by Thu afternoon).

Days 7–9 Weather Summary

Mostly dry. Very mild (max 16°C on Sat afternoon, min 14°C on Fri afternoon). Winds decreasing (strong winds from the WNW on Fri morning, light winds from the NNE by Sun night).

Days 10–12 Weather Summary

Heavy rain (total 67mm), heaviest during Mon night. Warm (max 21°C on Mon night, min 16°C on Tue afternoon). Winds decreasing (gales from the S on Mon night, light winds from the SW by Thu morning).

Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
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
10:26AM0.76m
10:45PM0.76m
11:00AM0.72m
11:21PM0.75m
11:34AM0.68m
11:58PM0.73m
12:12PM0.64m
00:39AM0.72m
12:53PM0.61m
1:26AM0.70m
1:42PM0.58m
2:21AM0.69m
2:40PM0.56m
3:24AM0.71m
3:45PM0.57m
4:28AM0.74m
4:49PM0.60m
5:27AM0.79m
5:48PM0.65m
6:21AM0.84m
6:42PM0.72m
7:11AM0.88m
7:31PM0.79m
Low Tide
4:36PM-0.04m
4:58AM-0.01m
5:08PM-0.01m
5:37AM0.04m
5:41PM0.02m
6:19AM0.09m
6:17PM0.05m
7:05AM0.13m
6:59PM0.08m
7:58AM0.16m
7:48PM0.09m
8:59AM0.18m
8:45PM0.10m
10:05AM0.17m
9:49PM0.09m
11:06AM0.14m
10:52PM0.06m
12:01PM0.09m
11:51PM0.01m
12:49PM0.02m
00:46AM-0.05m
1:33PM-0.04m
1:39AM-0.10m
Wave
height (m) 
direction
period (s) 
2.1
NNW
10
2
N
10
1.6
N
10
1.4
NNE
10
1.5
NE
9
2.2
SSW
6
3
SW
8
2.5
SW
8
2.5
WNW
10
2.4
WNW
10
2.2
NW
10
2
NNW
11
1.9
NNW
11
1.8
NNW
11
1.7
NNW
10
2.5
SSE
7
3.5
SSW
8
3
WSW
8
3
WNW
10
3
NW
11
2.2
NNW
10
1.9
NNW
9
1.8
NNW
9
2.1
NNW
8
2.2
NW
8
1.8
NW
8
1.5
NNW
8
1.8
SSE
5
3
S
7
3
SSW
9
2.4
SSW
8
3
SSW
8
2.2
SSW
8
1.7
SSW
8
1.4
S
7
1.2
S
7
cloud
clear
part cloud
part cloud
cloud
clear
rain showers
mod rain
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
heavy rain
thunderstorm
clear
part cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
light rain
cloud
heavy rain
mod rain
thunderstorm
rain showers
clear
clear
clear
cloudy
clear
some clouds
some clouds
cloudy
clear
rain shwrs
mod rain
clear
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
heavy rain
risk tstorm
clear
some clouds
cloudy
cloudy
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
light rain
cloudy
heavy rain
mod rain
risk tstorm
rain shwrs
clear
clear
clear
 km/h
20
NNE
10
NE
15
SE
25
S
30
S
50
SSW
50
SW
35
NW
25
NW
25
NW
20
NW
20
NW
20
NNW
15
N
15
SSE
55
SSW
60
WSW
50
WNW
40
WNW
35
WNW
25
NW
25
WNW
30
W
40
WNW
30
NW
15
N
20
SE
45
S
65
S
30
SW
25
SE
25
WSW
20
NW
15
WSW
15
SW
15
SW
 mm 
1.0
6
19
2.0
1.0
30
10
22
4
max°C
15
15
15
16
20
20
21
18
16
15
15
16
15
15
15
20
21
20
15
15
15
15
16
16
14
15
15
18
20
21
18
21
18
17
18
18
Moonrise
9:06
10:01
10:56
11:53
12:52
1:52
2:51
3:47
4:39
5:25
6:05
Moonset
8:36
9:00
9:25
9:52
10:22
10:58
11:40
12:30
1:28
2:33
3:41
4:51
Sunrise
7:01
7:00
6:58
6:58
6:56
6:56
6:54
6:54
6:52
6:52
6:50
6:50
Sunset
6:05
6:06
6:07
6:07
6:07
6:08
6:09
6:10
6:12
6:12
6:13
6:14
Today's sea temperature in Great Sound Island is 19.9 °C (Statistics for 15 Feb 1981-2005 – mean: 19.6 max: 20.4 min: 18.8°C)
Issued (local time): 7 am Saturday 15 Feb 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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