Great Diamond Island Sea Conditions and Tide Table

Great Diamond 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 07:04 PM.

Days 1–4 Weather Summary

Light rain (total 7mm), mostly falling on Wed night. Warm air temperatures (max 29°C on Thu afternoon, min 13°C on Wed morning). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Warm air temperatures (max 23°C on Sun afternoon, min 13°C on Fri night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 3mm), mostly falling on Tue night. Warm (max 29°C on Wed afternoon, min 11°C on Tue morning). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 5mm), mostly falling on Sat afternoon. Warm (max 30°C on Fri afternoon, min 11°C on Sat night). Wind will be generally light.

Days 14–17 Weather Summary

Mostly dry. Very mild (max 17°C on Sun afternoon, min 8°C on Mon morning). Wind will be generally light.

Tue
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
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
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
9:36PM3.14m
10:17AM2.87m
10:33PM3.21m
11:07AM3.00m
11:25PM3.22m
11:53AM3.10m
00:13AM3.19m
12:36PM3.13m
00:58AM3.10m
1:18PM3.11m
1:43AM2.97m
1:58PM3.04m
2:28AM2.81m
2:40PM2.94m
3:14AM2.64m
3:23PM2.83m
4:03AM2.49m
4:11PM2.71m
4:57AM2.36m
5:05PM2.62m
5:55AM2.27m
6:03PM2.56m
6:56AM2.25m
7:04PM2.56m
7:54AM2.29m
8:02PM2.61m
8:46AM2.38m
Low Tide
3:18PM0.18m
4:03AM-0.13m
4:17PM0.03m
4:54AM-0.20m
5:10PM-0.09m
5:40AM-0.22m
5:59PM-0.16m
6:24AM-0.17m
6:46PM-0.17m
7:06AM-0.08m
7:32PM-0.12m
7:47AM0.06m
8:16PM-0.03m
8:29AM0.21m
9:02PM0.09m
9:11AM0.37m
9:50PM0.23m
9:58AM0.52m
10:43PM0.35m
10:49AM0.64m
11:40PM0.45m
11:46AM0.71m
00:42AM0.50m
12:48PM0.73m
1:41AM0.48m
1:47PM0.67m
2:34AM0.42m
2:41PM0.57m
Wave
Height (m)
Direction
Period (s)
0.2
ESE
9
0.4
SE
9
0.5
E
3
0.6
SE
4
1.5
SSE
6
1.3
S
6
1
S
6
0.6
SSE
7
0.6
SSE
8
0.5
SE
8
0.4
SE
10
0.3
SE
10
0.5
SE
9
0.9
S
5
0.8
SSE
5
1.2
SSE
5
0.9
SSE
5
0.7
SE
9
0.6
SE
9
0.4
SE
9
0.8
E
4
0.6
E
5
1.4
SSE
5
1
SSE
6
0.8
SSE
5
0.8
NNE
3
0.6
SE
6
0.4
ESE
8
1
S
4
1.2
S
6
0.8
S
5
0.8
SSE
6
0.5
SE
12
0.4
SE
12
0.5
SE
11
0.4
SE
11
0.4
SE
11
0.4
SE
10
0.3
SE
10
0.4
SE
10
0.5
SE
10
0.4
SE
9
0.3
SE
9
0.4
SSE
4
0.5
SE
8
0.6
SSE
4
0.8
S
4
clear
part cloud
cloud
cloud
mod rain
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
clear
cloud
light rain
clear
clear
part cloud
clear
clear
part cloud
clear
part cloud
thunderstorm
part cloud
light rain
rain showers
clear
clear
clear
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
some clouds
cloudy
cloudy
mod rain
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
cloudy
some clouds
clear
cloudy
light rain
clear
clear
some clouds
clear
clear
some clouds
clear
some clouds
risk tstorm
some clouds
light rain
rain shwrs
clear
clear
clear
some clouds
clear
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
km/h
5
NNW
10
NE
10
ESE
5
SE
25
SW
20
W
20
W
10
NNW
10
NW
5
N
10
WNW
10
SSW
20
S
10
SW
15
SSW
15
SSW
15
SW
10
NNE
5
NNE
10
NNE
15
E
10
SSE
25
SSW
20
W
20
NNW
15
NNE
10
NE
15
S
20
SSW
15
SW
15
W
5
WNW
5
SE
10
NE
5
NNE
10
WNW
10
NNW
5
NNW
5
S
15
S
5
W
0
ENE
10
SE
10
NE
10
E
15
S
15
SSW
 mm
7
3
2
2
1
max °C
25
22
15
18
21
27
29
23
17
20
17
19
20
16
20
23
21
20
24
21
14
15
20
27
29
18
15
18
14
20
30
25
21
20
13
16
17
13
12
14
12
13
16
15
15
16
15
Moonrise
4:15
5:31
6:45
7:56
9:06
10:16
11:25
12:31
1:34
2:29
3:16
3:56
4:27
4:54
5:16
Moonset
5:54
6:20
6:41
7:02
7:21
7:43
8:07
8:35
9:09
9:51
10:41
11:38
12:41
1:48
2:56
Sunrise
6:11
6:13
6:13
6:16
6:16
6:18
6:18
6:20
6:20
6:22
6:22
6:24
6:26
6:26
6:28
Sunset
7:04
7:01
7:00
6:59
6:57
6:54
6:52
6:52
6:50
6:47
6:45
6:44
6:42
6:39
6:38
6:37
Today's sea temperature in Great Diamond Island is
17.2°C
(Statistics for 08 Sep 1981-2005 – mean: 16.1 max: 18.2 min: 14.6°C)
Issued (local time): 1 pm Tuesday 08 Sep 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest