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 11mm), heaviest on Tue night. Cool air temperatures (max 12°C on Wed afternoon, min 6°C on Tue night). Winds decreasing (strong winds from the SSW on Tue night, light winds from the SSW by Wed night).

Days 5–7 Weather Summary

Heavy rain (total 32mm), heaviest during Sat morning. Cool air temperatures (max 10°C on Fri night, min 7°C on Sat night). Winds decreasing (strong winds from the SSE on Sat morning, calm by Sat night).

Days 8–10 Weather Summary

Moderate rain (total 13mm), heaviest on Tue night. Mild temperatures (max 9°C on Tue night, min 7°C on Mon night). Wind will be generally light.

Days 11–13 Weather Summary

Moderate rain (total 15mm), heaviest on Fri night. Mild temperatures (max 8°C on Thu night, min 4°C on Sun night). Wind will be generally light.

Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sun
28
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
9:17PM3.06m
9:44AM3.16m
10:05PM3.13m
10:25AM3.27m
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
Low Tide
3:10AM0.79m
3:35PM0.77m
3:52AM0.72m
4:16PM0.64m
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
Wave
height (m) 
direction
period (s) 
0.6
SSE
3
1.7
SSE
8
1.3
SSE
8
0.6
SSE
8
0.7
SSE
10
1.2
SSE
6
0.9
SSW
4
0.9
SSW
5
0.8
SSE
10
1.1
SSE
6
2.1
SSE
8
1.5
SSE
8
0.8
SE
5
1.5
E
6
1.8
ESE
6
1.1
SE
6
0.7
E
4
0.7
NE
4
0.6
NE
5
0.4
SE
8
0.3
SSE
7
0.7
ENE
4
0.8
ENE
4
0.7
NE
5
0.6
NE
5
0.9
NE
5
1
NE
5
1.3
ENE
6
0.8
ENE
5
0.8
NE
5
1.2
ENE
5
1
ENE
5
1
ENE
5
0.9
ENE
5
0.6
NE
4
0.6
NE
4
rain showers
light rain
part cloud
part cloud
light rain
rain showers
part cloud
clear
part cloud
light rain
mod rain
light rain
light rain
mod rain
light rain
part cloud
cloud
mod rain
cloud
cloud
part cloud
light rain
light rain
light rain
rain showers
light rain
light rain
rain showers
part cloud
light rain
mod rain
light rain
cloud
light rain
cloud
part cloud
rain shwrs
light rain
some clouds
some clouds
light rain
rain shwrs
some clouds
clear
some clouds
light rain
mod rain
light rain
light rain
mod rain
light rain
some clouds
cloudy
mod rain
cloudy
cloudy
some clouds
light rain
light rain
light rain
rain shwrs
light rain
light rain
rain shwrs
some clouds
light rain
mod rain
light rain
cloudy
light rain
cloudy
some clouds
 km/h
30
S
35
SSW
20
SW
15
SSW
20
SSE
25
SSW
40
SW
35
SW
25
SW
30
S
40
SSE
20
S
10
ESE
30
ESE
40
ESE
15
SSE
20
NE
15
NW
10
WSW
10
SSE
10
SE
15
E
20
NE
15
NE
15
ENE
20
ENE
20
ENE
25
ENE
20
NE
20
NE
25
ENE
25
E
20
E
20
ENE
20
NE
15
N
 mm 
4
1
1
5
1
7
2
4
8
4
6
3
2
2
2
2
2
2
1
7
3
2
max°C
9
11
12
10
10
10
8
8
8
10
10
9
7
9
9
8
9
8
8
8
8
9
9
9
9
9
9
8
8
8
8
8
8
8
7
7
Moonrise
6:29
7:42
8:48
9:42
10:21
10:48
11:07
11:21
11:32
11:42
11:51
12:01
Moonset
1:47
2:15
2:55
3:50
4:58
6:15
7:36
8:56
10:17
11:38
1:01
Sunrise
8:33
8:34
8:36
8:36
8:37
8:37
8:37
8:37
8:37
8:38
8:38
8:38
Sunset
4:06
4:06
4:07
4:07
4:07
4:07
4:08
4:08
4:09
4:10
4:10
4:12
Today's sea temperature in Dun Laoghaire is
10.5° C
(Statistics for 16 Dec 1981-2005 – mean: 10.2 max: 11.5 min: 9.0°C)
Issued (local time): 11 pm Tuesday 16 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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