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 08:21 AM and sunset is at 04:07 PM.

Days 1–3 Weather Summary

Heavy rain (total 29mm), heaviest during Fri afternoon. Cool air temperatures (max 12°C on Sun morning, min 9°C on Fri morning). Winds decreasing (near gales from the SSE on Fri afternoon, light winds from the SSW by Sat night).

Days 4–6 Weather Summary

Light rain (total 8mm), mostly falling on Tue night. Cool air temperatures (max 12°C on Mon afternoon, min 7°C on Wed night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 7mm), mostly falling on Thu night. Very mild (max 11°C on Thu morning, min 8°C on Fri morning). Winds decreasing (strong winds from the S on Thu afternoon, light winds from the SE by Fri morning).

Days 10–12 Weather Summary

Light rain (total 4mm), mostly falling on Tue morning. Very mild (max 13°C on Mon afternoon, min 6°C on Tue night). Mainly fresh winds.

Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
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
11:23AM3.83m
11:54PM3.83m
12:12PM3.89m
00:47AM3.78m
1:00PM3.91m
1:40AM3.65m
1:50PM3.86m
2:33AM3.46m
2:40PM3.76m
3:27AM3.25m
3:32PM3.62m
4:22AM3.07m
4:26PM3.44m
5:19AM2.94m
5:23PM3.27m
6:18AM2.88m
6:23PM3.12m
7:16AM2.89m
7:24PM3.04m
8:11AM2.96m
8:23PM3.02m
9:00AM3.05m
9:17PM3.06m
Low Tide
5:12PM-0.09m
5:34AM0.08m
6:01PM-0.17m
6:21AM0.18m
6:51PM-0.13m
7:08AM0.33m
7:43PM-0.00m
7:56AM0.53m
8:37PM0.19m
8:47AM0.74m
9:34PM0.41m
9:42AM0.94m
10:35PM0.61m
10:45AM1.10m
11:39PM0.76m
11:54AM1.18m
00:41AM0.84m
1:01PM1.15m
1:37AM0.86m
2:00PM1.06m
2:26AM0.84m
2:51PM0.92m
3:10AM0.79m
Wave
height (m) 
direction
period (s) 
0.9
SSE
4
3
SSE
8
1
SSE
7
0.9
SSE
18
0.9
SSE
17
0.5
SSE
12
1
SSE
5
0.9
SE
5
0.7
SSE
10
0.9
SSE
10
0.8
SSE
11
0.9
SSE
5
0.6
SSE
6
0.5
SSE
12
0.8
SSE
12
0.7
SSE
12
0.6
SSE
12
0.3
SSE
11
0.9
SSE
5
1.5
SSE
6
1.7
SSE
7
0.9
SSE
6
0.7
SSE
14
0.6
SSE
21
0.9
SSE
6
1.4
SSE
7
0.7
SW
3
0.5
S
4
0.5
SSE
5
0.4
SSW
4
0.2
S
6
0.5
SSE
4
0.9
SSE
6
0.9
SSE
6
0.6
SSE
7
0.4
SSE
7
light rain
heavy rain
rain showers
light rain
light rain
light rain
light rain
light rain
part cloud
part cloud
cloud
light rain
cloud
light rain
light rain
part cloud
clear
cloud
cloud
cloud
light rain
cloud
cloud
part cloud
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
light rain
part cloud
cloud
light rain
heavy rain
rain shwrs
light rain
light rain
light rain
light rain
light rain
some clouds
some clouds
cloudy
light rain
cloudy
light rain
light rain
some clouds
clear
cloudy
cloudy
cloudy
light rain
cloudy
cloudy
some clouds
rain shwrs
rain shwrs
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
light rain
light rain
some clouds
cloudy
 km/h
35
S
55
SSE
20
SSW
30
WSW
30
WSW
15
SSW
25
SSE
35
W
25
SSW
25
SW
20
SSW
25
S
5
WNW
10
NNW
25
W
20
W
20
W
15
SSW
30
S
40
S
35
S
10
SE
15
SSE
20
SSE
25
S
30
SSW
30
WSW
20
SSW
15
SW
15
W
10
S
15
SSW
30
SSW
20
SSW
5
W
15
S
 mm 
2
13
5
2
1
1
4
1
3
1
4
4
1
2
1
3
max°C
9
11
11
11
11
11
12
10
11
11
12
12
11
10
10
9
9
9
11
11
11
10
10
9
9
9
9
11
11
8
10
13
13
13
10
8
Moonrise
3:54
5:07
6:36
8:08
9:36
10:58
12:16
1:31
2:44
3:59
5:14
Moonset
9:41
10:48
11:31
11:58
12:16
12:28
12:38
12:47
12:55
1:04
1:15
1:28
Sunrise
8:21
8:22
8:23
8:25
8:26
8:27
8:29
8:30
8:30
8:32
8:33
8:33
Sunset
4:07
4:07
4:07
4:06
4:06
4:06
4:06
4:06
4:06
4:06
4:06
4:06
Today's sea temperature in Dun Laoghaire is
10.5° C
(Statistics for 05 Dec 1981-2005 – mean: 10.8 max: 12.1 min: 9.5°C)
Issued (local time): 11 am Friday 05 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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