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 — and sunset is at —.

Days 1–4 Weather Summary

Moderate rain (total 19mm), heaviest on Sat afternoon. Cool air temperatures (max 10°C on Sat morning, min 7°C on Thu night). Winds decreasing (strong winds from the SSE on Sat morning, light winds from the SSE by Sat night).

Days 5–7 Weather Summary

Light rain (total 6mm), mostly falling on Tue afternoon. Low air temperatures (max 9°C on Tue morning, min 6°C on Mon morning). Winds increasing (light winds from the SSE on Mon afternoon, fresh winds from the E by Wed morning).

Days 8–10 Weather Summary

Light rain (total 4mm), mostly falling on Fri night. Mild temperatures (max 8°C on Fri night, min 5°C on Fri morning). Winds increasing (light winds from the NE on Thu night, strong winds from the ENE by Fri night).

Days 11–13 Weather Summary

Moderate rain (total 13mm), heaviest on Mon night. Mild temperatures (max 6°C on Sat night, min 3°C on Sun night). Winds decreasing (fresh winds from the E on Sat night, calm by Mon night).

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
10:49PM3.20m
11:04AM3.38m
11:29PM3.26m
11:43AM3.47m
00:09AM3.29m
12:21PM3.54m
00:48AM3.27m
12:59PM3.58m
1:27AM3.23m
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
Low Tide
4:30AM0.66m
4:55PM0.52m
5:08AM0.60m
5:33PM0.45m
5:44AM0.56m
6:11PM0.41m
6:19AM0.55m
6:49PM0.40m
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
Wave
height (m) 
direction
period (s) 
0.8
SSW
4
0.9
SW
4
0.8
SSE
10
0.7
SSE
5
2
SSE
7
2.3
SSE
8
1.4
SE
6
0.8
SE
5
1.4
ESE
6
0.9
ESE
5
0.6
SSE
5
0.4
SE
4
0.6
SE
4
0.6
E
4
0.7
ENE
4
0.9
ENE
5
1.4
ENE
6
1.4
ENE
6
1.3
ENE
6
1
ENE
5
0.9
ENE
5
0.6
ENE
4
0.6
ENE
4
0.6
NNE
4
1.3
NE
6
1.8
ENE
7
1.7
ENE
6
1.7
ENE
6
1.3
ENE
6
1
ENE
6
0.8
ENE
5
0.6
ENE
4
0.4
ENE
4
0.5
E
4
0.6
ESE
4
0.9
ENE
5
clear
part cloud
clear
part cloud
cloud
mod rain
rain showers
light rain
rain showers
cloud
part cloud
part cloud
part cloud
part cloud
light rain
light rain
light rain
cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
light rain
rain showers
rain showers
light rain
cloud
cloud
light rain
rain showers
part cloud
light rain
light rain
light rain
clear
some clouds
clear
some clouds
cloudy
mod rain
rain shwrs
light rain
rain shwrs
cloudy
some clouds
some clouds
some clouds
some clouds
light rain
light rain
light rain
cloudy
cloudy
some clouds
some clouds
cloudy
cloudy
some clouds
light rain
rain shwrs
rain shwrs
light rain
cloudy
cloudy
light rain
rain shwrs
some clouds
light rain
light rain
light rain
 km/h
35
SW
35
WSW
25
SW
20
S
45
SSE
40
SSE
15
S
15
ESE
30
ESE
20
SE
10
S
10
SSE
15
ESE
20
ENE
15
E
20
E
30
E
30
E
25
E
20
E
20
E
15
ENE
20
N
20
NNW
30
NE
40
E
35
E
35
E
25
E
20
E
15
E
10
E
10
ENE
15
ESE
20
ESE
20
ENE
 mm 
9
4
2
4
2
3
1
1
2
1
3
1
1
4
1
1
max°C
8
8
9
9
10
9
8
9
8
8
7
8
8
9
8
8
9
7
7
7
6
7
6
6
8
7
6
6
5
4
4
5
4
5
6
6
Moonrise
8:48
9:42
10:21
10:48
11:07
11:21
11:32
11:42
11:51
12:01
12:14
12:31
Moonset
2:55
3:50
4:58
6:15
7:36
8:56
10:17
11:38
1:01
2:28
4:00
Sunrise
8:36
8:36
8:37
8:37
8:37
8:37
8:37
8:38
8:38
8:38
8:38
8:38
Sunset
4:07
4:07
4:07
4:07
4:08
4:08
4:09
4:10
4:10
4:12
4:13
4:14
Today's sea temperature in Dun Laoghaire is
10.3° C
(Statistics for 18 Dec 1981-2005 – mean: 10.1 max: 11.1 min: 9.0°C)
Issued (local time): 11 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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