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 09:54 PM.

Days 1–4 Weather Summary

Some drizzle, heaviest during Sun afternoon. Warm air temperatures (max 23°C on Fri afternoon, min 11°C on Sun night). Winds increasing (calm on Sat morning, fresh winds from the W by Sun night).

Days 5–7 Weather Summary

Moderate rain (total 12mm), heaviest on Wed afternoon. Warm air temperatures (max 21°C on Tue afternoon, min 12°C on Wed night). Winds increasing (calm on Wed morning, fresh winds from the W by Wed night).

Days 8–10 Weather Summary

Mostly dry. Warm (max 23°C on Sat afternoon, min 13°C on Fri night). Wind will be generally light.

Days 11–13 Weather Summary

Some drizzle, heaviest during Mon afternoon. Warm (max 22°C on Sun afternoon, min 9°C on Mon night). Wind will be generally light.

Fri
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
1
Wed
2
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
AM
Wave Height Map
High Tide
7:56PM3.11m
8:04AM3.31m
8:57PM3.21m
9:12AM3.36m
9:57PM3.35m
10:19AM3.45m
10:53PM3.50m
11:22AM3.55m
11:47PM3.64m
12:20PM3.62m
00:37AM3.76m
1:13PM3.64m
1:25AM3.85m
2:03PM3.59m
2:12AM3.88m
2:51PM3.48m
2:57AM3.84m
3:37PM3.33m
3:41AM3.74m
4:22PM3.18m
4:26AM3.58m
5:08PM3.04m
5:11AM3.39m
Low Tide
1:16PM0.54m
1:40AM0.92m
2:19PM0.49m
2:46AM0.76m
3:19PM0.42m
3:46AM0.55m
4:14PM0.35m
4:41AM0.32m
5:06PM0.30m
5:34AM0.13m
5:55PM0.28m
6:25AM0.01m
6:43PM0.30m
7:14AM-0.03m
7:28PM0.35m
8:03AM0.01m
8:13PM0.45m
8:51AM0.13m
8:58PM0.59m
9:40AM0.29m
9:44PM0.75m
10:29AM0.49m
10:33PM0.92m
11:19AM0.68m
Wave
height (m) 
direction
period (s) 
0.4
SE
3.0
0.4
SE
4.0
0.3
SE
3.0
0.7
SE
4.0
0.4
SSE
4.0
0.4
S
4.0
0.4
SW
3.0
0.5
W
3.0
0.4
WNW
3.0
0.3
W
3.0
0.2
SSE
6.0
0.2
SSE
6.0
0.3
SSE
5.0
0.5
S
5.0
0.4
SSE
4.0
0.3
SSE
4.0
0.4
SW
2.0
0.5
W
3.0
0.3
SW
3.0
0.6
S
5.0
0.5
S
5.0
0.4
S
4.0
0.3
SSE
5.0
0.2
SSE
3.0
0.8
SSE
4.0
0.4
SSE
4.0
0.3
SSE
3.0
0.4
SSE
4.0
0.2
SSE
3.0
0.1
SE
2.0
0.2
NNW
2.0
0.4
N
3.0
0.6
N
4.0
0.4
NNE
4.0
0.4
NNE
5.0
0.5
N
4.0
clear
part cloud
clear
clear
clear
part cloud
rain showers
part cloud
part cloud
part cloud
light rain
light rain
clear
part cloud
light rain
rain showers
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
light rain
part cloud
clear
part cloud
clear
clear
clear
some clouds
clear
clear
clear
some clouds
rain shwrs
some clouds
some clouds
some clouds
light rain
light rain
clear
some clouds
light rain
rain shwrs
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
light rain
some clouds
clear
some clouds
clear
clear
 km/h
20
SSE
15
SSE
0
ESE
15
S
10
SSW
20
WSW
25
WSW
25
W
25
W
20
W
10
SW
10
SSW
10
W
10
SW
5
WNW
15
WSW
25
WSW
25
W
20
SW
15
SSW
15
SW
15
W
10
W
10
SSE
20
SSW
10
SSW
10
S
5
SSE
5
WNW
5
NW
15
NW
20
NW
20
NW
15
N
15
NW
25
NNW
 mm 
1
1
1
4
6
1
max°C
23
20
21
21
18
16
17
13
17
18
16
17
21
18
14
14
13
18
19
19
19
21
14
22
23
19
23
22
20
18
16
14
16
18
15
16
Moonrise
1:41
1:53
2:09
2:32
3:08
4:03
5:19
6:47
8:16
9:41
11:01
12:17
1:31
Moonset
3:53
5:26
7:03
8:37
9:57
10:55
11:31
11:55
12:10
12:22
12:31
12:39
Sunrise
4:56
4:56
4:56
4:56
4:56
4:58
4:58
4:58
4:58
5:00
5:00
5:01
Sunset
9:54
9:55
9:55
9:55
9:55
9:55
9:55
9:55
9:55
9:54
9:54
9:54
Today's sea temperature in Dun Laoghaire is 14.0 °C (Statistics for 20 Jun 1981-2005 – mean: 13.3 max: 14.7 min: 12.1°C)
Issued (local time): 6 pm Friday 20 Jun 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest