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 08:38 AM and sunset is at 04:10 PM.

Days 1–3 Weather Summary

Mostly dry. Low air temperatures (max 6°C on Fri morning, min 4°C on Sun morning). Mainly fresh winds.

Days 4–6 Weather Summary

Mostly dry. Low air temperatures (max 8°C on Wed night, min 2°C on Tue night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 2mm), mostly falling on Fri morning. Mild temperatures (max 9°C on Fri afternoon, min 5°C on Thu morning). Winds decreasing (fresh winds from the WNW on Sat morning, light winds from the SW by Sat night).

Days 10–12 Weather Summary

Light rain (total 2mm), mostly falling on Sun morning. Very mild (max 12°C on Mon morning, min 4°C on Wed morning). Winds increasing (light winds from the SSW on Sun morning, fresh winds from the W by Mon night).

Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tuesday
6
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
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
12:03PM3.95m
00:39AM3.71m
12:49PM4.04m
1:27AM3.64m
1:34PM4.04m
2:12AM3.51m
Low Tide
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
5:52PM-0.14m
6:07AM0.21m
6:41PM-0.17m
6:51AM0.27m
7:28PM-0.09m
Wave
height (m) 
direction
period (s) 
1.3
ENE
6
1.4
ENE
6
1.4
ENE
6
1.4
ENE
6
1.1
ENE
5
1.4
ENE
6
0.9
ENE
5
0.7
ENE
5
0.6
E
4
0.3
ENE
3
0.3
ENE
3
0.7
E
4
0.3
ESE
4
0.2
ESE
3
0.2
NNE
2
0.3
NW
2
0.4
NW
3
0.5
N
4
0.4
NNW
3
0.5
N
3
0.4
NW
3
0.3
WSW
2
0.4
SW
3
0.5
NW
3
0.7
NW
3
0.7
NNW
4
0.4
NW
3
0.2
S
2
0.6
WSW
3
0.4
WNW
3
0.4
SW
3
0.7
WSW
3
0.7
W
3
0.5
W
3
0.4
W
3
0.4
WNW
3
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
clear
part cloud
part cloud
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
light rain
light rain
part cloud
cloud
cloud
part cloud
part cloud
cloud
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
clear
some clouds
some clouds
light rain
some clouds
some clouds
some clouds
some clouds
some clouds
light rain
light rain
some clouds
cloudy
cloudy
some clouds
some clouds
cloudy
clear
 km/h
25
E
30
ENE
30
ENE
30
ENE
25
ENE
30
E
20
E
15
ENE
10
ENE
10
NE
10
NE
10
E
5
ESE
0
NNE
15
NW
15
WNW
15
WNW
20
WNW
20
WNW
20
WNW
15
W
20
WSW
20
W
25
WNW
30
WNW
25
NW
15
W
15
SSW
25
WSW
25
WNW
30
WSW
35
WSW
35
W
25
W
20
W
20
W
 mm 
2
1
1
max°C
6
6
6
6
6
6
5
5
5
5
5
5
5
6
6
4
6
8
7
8
6
7
9
8
8
8
6
10
11
11
12
12
12
9
9
6
Moonrise
11:42
11:51
12:01
12:14
12:31
12:56
1:35
2:37
3:59
5:32
7:05
8:33
Moonset
11:38
1:01
2:28
4:00
5:35
7:08
8:26
9:21
9:56
10:18
10:33
Sunrise
8:38
8:38
8:38
8:38
8:38
8:38
8:38
8:38
8:38
8:37
8:37
8:37
Sunset
4:10
4:10
4:12
4:13
4:14
4:15
4:16
4:17
4:19
4:20
4:21
4:22
Today's sea temperature in Dun Laoghaire is
10.2° C
(Statistics for 26 Dec 1981-2005 – mean: 9.7 max: 10.6 min: 8.6°C)
Issued (local time): 5 am Friday 26 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest