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 05:05 PM.

Days 1–4 Weather Summary

Mostly dry. Icy conditions (max 1°C on Wed afternoon, min -8°C on Thu night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Icy conditions (max 1°C on Sat afternoon, min -6°C on Sun morning). Wind will be generally light.

Days 8–10 Weather Summary

Mild with light rain (total 4mm) on Wed afternoon. Becoming colder with a light covering of snow, mostly falling on Wed night. Freeze-thaw conditions (max 2°C on Wed afternoon, min -5°C on Wed night). Winds increasing (light winds from the SE on Tue afternoon, fresh winds from the NNE by Wed night).

Days 11–13 Weather Summary

A light fall of snow, heaviest on Sun afternoon. Turning milder with light rain (total 3mm) on Sun afternoon. Freeze-thaw conditions (max 3°C on Sun afternoon, min -4°C on Fri night). Wind will be generally light.

Wed
11
Thursday
12
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
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
6:53PM2.17m
7:02AM2.53m
7:51PM2.20m
7:58AM2.61m
8:42PM2.28m
8:46AM2.71m
9:26PM2.39m
9:30AM2.82m
10:05PM2.51m
10:09AM2.92m
10:41PM2.63m
10:47AM3.00m
11:16PM2.76m
11:25AM3.04m
11:51PM2.88m
12:05PM3.05m
00:28AM2.98m
12:47PM3.02m
1:08AM3.04m
1:32PM2.93m
1:52AM3.07m
2:22PM2.81m
2:41AM3.04m
3:17PM2.66m
3:37AM2.98m
4:21PM2.52m
4:40AM2.91m
5:33PM2.43m
Low Tide
00:43AM0.65m
1:41PM0.40m
1:40AM0.60m
2:32PM0.31m
2:30AM0.52m
3:17PM0.21m
3:15AM0.40m
3:56PM0.10m
3:56AM0.27m
4:31PM-0.01m
4:35AM0.14m
5:05PM-0.09m
5:13AM0.03m
5:40PM-0.16m
5:53AM-0.07m
6:17PM-0.18m
6:36AM-0.14m
6:56PM-0.16m
7:21AM-0.17m
7:39PM-0.09m
8:11AM-0.15m
8:26PM0.01m
9:05AM-0.08m
9:19PM0.14m
10:08AM0.01m
10:20PM0.27m
11:17AM0.08m
Wave
height (m) 
direction
period (s) 
0.4
SSE
5
0.6
N
3
0.7
N
4
0.6
N
3
0.5
N
3
0.2
SSE
9
0.1
SE
10
0.1
SE
10
0.1
SE
9
0.1
SE
8
0.3
SE
8
0.9
NNE
4
0.3
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
E
9
0.2
SSE
10
0.5
S
9
0.4
SSE
9
0.5
SSE
8
1
S
5
0.8
SSE
5
1.5
NE
5
2.2
ENE
7
2.2
E
9
1.8
E
9
1.7
E
10
1.4
E
10
1.3
E
9
1.1
ESE
12
1
ESE
11
1.1
ESE
11
1.8
E
6
2.3
ESE
8
2.1
ESE
9
1.5
SE
9
1.1
SE
8
1
W
4
0.7
WSW
5
0.7
WNW
3
0.6
W
3
0.8
WNW
3
0.9
WNW
4
0.5
WNW
3
0.5
WNW
3
0.2
ESE
14
0.2
NNW
2
cloud
part cloud
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
light snow
light snow
cloud
cloud
clear
clear
clear
part cloud
cloud
cloud
light snow
light snow
mod snow
cloud
part cloud
cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloudy
some clouds
clear
clear
clear
some clouds
clear
some clouds
some clouds
clear
clear
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
cloudy
light snow
light snow
cloudy
cloudy
clear
clear
clear
some clouds
cloudy
cloudy
light snow
light snow
mod snow
cloudy
some clouds
cloudy
some clouds
clear
some clouds
clear
clear
clear
clear
clear
clear
some clouds
 km/h
10
NNW
20
NW
20
NNW
20
NNW
15
NW
10
NW
0
W
5
NW
5
NNW
5
SW
5
WNW
25
N
10
N
5
NNE
5
NNE
5
SSE
5
NW
5
NE
5
SE
10
SW
10
SSW
5
E
30
NNE
30
NNE
30
NNE
20
NNE
20
NNE
15
NNE
15
NNE
15
NNE
10
NE
15
NE
25
E
30
ENE
15
WSW
10
W
15
WNW
25
WNW
20
WNW
20
WNW
15
WNW
25
WNW
25
WNW
20
WNW
20
WNW
10
WNW
10
NW
 mm 
4
3
max°C
1
-3
0
0
-5
-1
0
-3
0
1
-1
-4
-3
-3
-1
0
1
0
0
1
1
2
1
-3
-2
-3
0
1
-2
1
1
-1
0
3
2
3
3
0
-2
-3
-10
-12
-13
-15
-10
-8
-13
Moonrise
3:51
4:40
5:21
5:55
6:23
6:46
7:07
7:26
7:46
8:08
8:34
9:06
9:46
10:39
11:44
Moonset
11:58
12:56
2:02
3:12
4:23
5:35
6:47
8:00
9:14
10:30
11:49
1:08
2:22
3:27
Sunrise
6:43
6:41
6:39
6:39
6:37
6:35
6:33
6:33
6:31
6:30
6:28
6:26
6:24
6:22
6:22
Sunset
5:05
5:06
5:07
5:08
5:10
5:12
5:13
5:15
5:15
5:16
5:19
5:20
5:21
5:22
5:23
5:24
Today's sea temperature in Great Diamond Island is
2.4° C
(Statistics for 11 Feb 1981-2005 – mean: 3.2 max: 4.2 min: 1.9°C)
Issued (local time): 6 pm Wednesday 11 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest