Greystones Sea Conditions and Tide Table

Greystones 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 —.

Days 1–4 Weather Summary

Mostly dry. Cool air temperatures (max 10°C on Mon night, min 5°C on Wed afternoon). Winds increasing (calm on Mon night, fresh winds from the ENE by Thu afternoon).

Days 5–7 Weather Summary

Mostly dry. Low air temperatures (max 7°C on Sat morning, min 4°C on Sun morning). Mainly fresh winds.

Days 8–10 Weather Summary

Mostly dry. Mild temperatures (max 7°C on Tue night, min 2°C on Mon morning). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Mild temperatures (max 8°C on Sat morning, min 2°C on Wed night). Wind will be generally light.

Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Sat
3
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
1:32AM2.81m
1:42PM3.16m
2:12AM2.75m
2:21PM3.13m
2:55AM2.69m
3:01PM3.07m
3:40AM2.64m
3:44PM2.99m
4:30AM2.60m
4:32PM2.90m
5:26AM2.59m
5:28PM2.82m
6:27AM2.61m
6:34PM2.78m
7:32AM2.69m
7:47PM2.82m
8:36AM2.82m
8:59PM2.92m
9:36AM2.98m
10:04PM3.06m
10:30AM3.17m
11:02PM3.18m
11:21AM3.35m
Low Tide
6:54PM0.39m
6:57AM0.55m
7:33PM0.41m
7:34AM0.59m
8:13PM0.43m
8:14AM0.67m
8:56PM0.47m
8:58AM0.77m
9:43PM0.51m
9:50AM0.87m
10:37PM0.54m
10:51AM0.94m
11:39PM0.57m
12:00PM0.95m
00:44AM0.57m
1:12PM0.85m
1:49AM0.52m
2:19PM0.66m
2:50AM0.44m
3:19PM0.43m
3:45AM0.36m
4:14PM0.20m
4:36AM0.29m
5:07PM0.02m
Wave
height (m) 
direction
period (s) 
0.5
E
4
0.6
ENE
5
0.9
ENE
5
1.2
ENE
6
1.3
ENE
6
1
ENE
6
1
ENE
5
1.4
ENE
6
1.7
ENE
6
1.5
ENE
6
1.3
ENE
6
1.1
ENE
5
1.3
ENE
6
1.3
ENE
6
1.3
ENE
6
1.3
ENE
6
0.8
ENE
5
0.5
ENE
4
0.3
ENE
4
0.1
NE
2
0.1
NW
2
0.2
NNE
4
0.5
NE
4
0.3
NE
3
0.2
NNW
2
0.4
NNE
4
0.5
NE
4
0.5
NE
4
0.4
NE
3
0.8
NNE
4
0.6
NE
5
0.4
NE
4
0.2
NNW
2
0.2
WNW
2
0.4
WNW
3
0.6
NW
3
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
cloudy
cloudy
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
clear
some clouds
clear
clear
clear
clear
some clouds
clear
clear
clear
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
cloudy
 km/h
10
NE
5
NE
20
NE
25
NE
25
E
15
ENE
25
ENE
30
ENE
35
ENE
25
ENE
30
ENE
30
ENE
30
ENE
30
ENE
30
ENE
25
ENE
20
ENE
15
NE
5
N
10
NW
10
NW
10
NW
15
N
10
NNW
15
NW
20
NW
10
N
15
NNW
15
WNW
25
NNE
15
NNW
10
WNW
15
WNW
15
W
25
W
30
WNW
 mm 
max°C
10
10
9
7
6
6
5
5
6
6
6
6
6
7
7
5
4
4
4
3
3
6
6
6
7
6
6
6
6
6
6
3
4
6
8
8
Moonrise
11:06
11:20
11:32
11:41
11:51
12:01
12:14
12:31
12:56
1:36
2:38
4:00
Moonset
7:36
8:56
10:17
11:37
1:00
2:27
3:59
5:34
7:06
8:24
9:20
Sunrise
8:37
8:37
8:37
8:37
8:37
8:37
8:37
8:37
8:37
8:37
8:37
8:37
Sunset
4:08
4:09
4:09
4:10
4:12
4:13
4:14
4:15
4:15
4:16
4:17
4:19
Today's sea temperature in Greystones is
10.3° C
(Statistics for 22 Dec 1981-2005 – mean: 9.9 max: 11.2 min: 8.6°C)
Issued (local time): 11 pm Monday 22 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest