Dun Laoghaire Sea Conditions and Tide Table

Dun Laoghaire 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 08:37 AM and sunset is at 04:08 PM.

Days 1–3 Weather Summary

Mostly dry. Low air temperatures (max 9°C on Tue morning, min 5°C on Wed morning). Winds increasing (light winds from the NE on Tue morning, fresh winds from the ENE by Thu afternoon).

Days 4–6 Weather Summary

Mostly dry. Low air temperatures (max 7°C on Fri night, min 2°C on Sun night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Mild temperatures (max 9°C on Mon afternoon, min 2°C on Mon morning). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Very mild (max 10°C on Sat morning, min 6°C on Fri afternoon). Winds increasing (light winds from the NNW on Fri morning, strong winds from the W by Sun morning).

Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
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
1:37PM3.58m
2:07AM3.16m
2:15PM3.55m
2:48AM3.09m
2:55PM3.48m
3:33AM3.03m
3:37PM3.40m
4:22AM2.99m
4:25PM3.30m
5:17AM2.97m
5:20PM3.22m
6:17AM3.00m
6:25PM3.18m
7:21AM3.07m
7:37PM3.21m
8:26AM3.21m
8:49PM3.32m
9:27AM3.39m
9:56PM3.47m
10:23AM3.60m
10:56PM3.61m
11:15AM3.79m
11:49PM3.70m
Low Tide
6:55AM0.57m
7:28PM0.43m
7:33AM0.62m
8:09PM0.47m
8:13AM0.71m
8:52PM0.51m
8:58AM0.83m
9:40PM0.57m
9:49AM0.95m
10:34PM0.62m
10:50AM1.03m
11:36PM0.65m
11:59AM1.04m
00:42AM0.64m
1:11PM0.93m
1:47AM0.58m
2:17PM0.71m
2:47AM0.48m
3:16PM0.45m
3:42AM0.36m
4:11PM0.19m
4:33AM0.27m
5:03PM-0.02m
5:21AM0.21m
Wave
height (m) 
direction
period (s) 
0.6
ENE
5
1
ENE
5
1.3
ENE
6
1.4
ENE
6
1
ENE
6
1
ENE
5
1.5
ENE
6
1.7
ENE
6
1.4
ENE
6
1
ENE
5
0.8
ENE
5
0.6
E
4
1
ENE
5
0.9
ENE
5
0.9
ENE
5
0.4
ENE
4
0.3
ENE
4
0.1
NE
2
0.3
NW
2
0.4
NNW
3
0.5
NE
5
0.4
NNE
4
0.5
N
4
0.9
NNE
5
0.9
NE
6
0.6
NE
5
0.7
NNE
4
0.7
NNE
4
0.9
NNE
5
1.4
NNE
7
0.9
NE
6
0.6
NE
5
0.3
N
3
0.4
WNW
3
0.4
WNW
3
0.5
NW
3
cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
cloudy
cloudy
some clouds
some clouds
clear
some clouds
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
 km/h
10
NE
20
NE
25
ENE
25
E
15
E
25
E
30
ENE
35
ENE
25
E
20
ENE
15
NE
15
ENE
25
ENE
20
ENE
15
E
10
ESE
5
N
10
WNW
15
WNW
20
NNW
15
NW
15
WNW
15
NW
25
NNW
15
NW
20
W
25
NW
20
NW
30
NW
35
NNW
15
NNE
15
WNW
15
W
25
W
25
WNW
30
WNW
 mm 
max°C
9
8
7
6
6
5
5
6
6
6
6
7
7
7
6
5
5
4
4
9
7
4
6
6
4
6
7
8
8
8
7
6
7
10
10
8
Moonrise
11:07
11:21
11:32
11:42
11:51
12:01
12:14
12:31
12:56
1:35
2:37
3:59
Moonset
7:36
8:56
10:17
11:38
1:01
2:28
4:00
5:35
7:08
8:26
9:21
Sunrise
8:37
8:37
8:37
8:38
8:38
8:38
8:38
8:38
8:38
8:38
8:38
8:38
Sunset
4:08
4:08
4:09
4:10
4:10
4:12
4:13
4:14
4:15
4:16
4:17
4:19
Today's sea temperature in Dun Laoghaire is
10.2° C
(Statistics for 23 Dec 1981-2005 – mean: 9.8 max: 11.1 min: 8.6°C)
Issued (local time): 11 am Tuesday 23 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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