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

Heavy rain (total 29mm), heaviest during Fri afternoon. Cool air temperatures (max 12°C on Sun morning, min 6°C on Thu night). Winds decreasing (near gales from the SSE on Fri afternoon, light winds from the S by Sat night).

Days 5–7 Weather Summary

Moderate rain (total 15mm), heaviest on Tue night. Cool air temperatures (max 13°C on Tue morning, min 8°C on Sun night). Mainly fresh winds.

Days 8–10 Weather Summary

Moderate rain (total 11mm), heaviest on Thu night. Very mild (max 12°C on Thu morning, min 10°C on Wed night). Mainly strong winds.

Days 11–13 Weather Summary

Moderate rain (total 13mm), heaviest on Tue morning. Very mild (max 12°C on Sat night, min 6°C on Tue afternoon). Winds increasing (light winds from the SSW on Mon night, near gales from the WNW by Tue night).

Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tue
16
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
11:00PM3.79m
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
Low Tide
4:47AM0.04m
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
Wave
height (m) 
direction
period (s) 
0.2
SSE
12
0.9
SSE
4
2.5
SSE
8
1
SSE
7
0.9
SSE
18
0.9
SSE
17
0.5
SSE
13
0.8
SSE
4
0.8
SE
5
0.5
SSE
10
0.8
SSE
10
0.6
SSE
10
1
SSE
5
0.6
SE
5
0.8
SSE
12
1
SSE
12
0.8
SSE
13
0.7
SSE
13
0.8
SSE
12
1.3
SSE
6
1.7
SSE
7
2.1
SSE
7
1.2
SSE
11
1.4
SSE
8
1.3
SSE
7
1.1
SSE
6
1.1
SSE
6
1.1
SSE
7
0.5
SSE
5
0.4
SSE
5
0.4
SW
3
0.2
WSW
2
0.2
W
2
0.1
S
7
1.2
SSE
6
0.8
SW
4
part cloud
light rain
heavy rain
rain showers
rain showers
cloud
light rain
light rain
light rain
rain showers
part cloud
cloud
light rain
light rain
light rain
mod rain
part cloud
part cloud
part cloud
cloud
light rain
mod rain
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
clear
clear
part cloud
rain showers
light rain
some clouds
light rain
heavy rain
rain shwrs
rain shwrs
cloudy
light rain
light rain
light rain
rain shwrs
some clouds
cloudy
light rain
light rain
light rain
mod rain
some clouds
some clouds
some clouds
cloudy
light rain
mod rain
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
cloudy
clear
clear
some clouds
rain shwrs
light rain
 km/h
15
SW
35
S
60
SSE
15
SSW
30
SW
30
W
20
SW
30
SE
35
WNW
15
SSW
20
SW
15
S
25
SSE
10
S
10
WNW
15
WNW
25
W
25
WSW
20
SSW
30
S
40
S
45
SSE
20
SSE
30
S
25
S
25
S
25
S
20
SSW
15
SW
15
WSW
15
WSW
15
WSW
15
W
15
S
30
S
40
SW
 mm 
2
12
2
3
1
5
4
1
2
3
3
6
2
9
10
2
max°C
7
9
11
10
11
11
10
12
11
11
11
11
12
13
12
10
9
10
11
12
12
12
12
12
12
12
12
12
10
10
9
8
8
10
11
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 04 Dec 1981-2005 – mean: 10.8 max: 12.1 min: 9.5°C)
Issued (local time): 11 pm Thursday 04 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest