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 05:22 AM and sunset is at 09:20 PM.

Days 1–3 Weather Summary

Moderate rain (total 19mm), heaviest on Mon night. Cool air temperatures (max 15°C on Tue morning, min 7°C on Sun night). Winds increasing (calm on Mon morning, fresh winds from the SE by Mon night).

Days 4–6 Weather Summary

Light rain (total 3mm), mostly falling on Wed night. Warm air temperatures (max 21°C on Fri morning, min 13°C on Wed night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 3mm), mostly falling on Mon morning. Very mild (max 19°C on Sun morning, min 9°C on Mon night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 2mm), mostly falling on Wed night. Very mild (max 16°C on Tue afternoon, min 10°C on Thu night). Winds increasing (calm on Tue night, fresh winds from the S by Wed night).

Days 13–16 Weather Summary

Light rain (total 2mm), mostly falling on Sun afternoon. Very mild (max 17°C on Mon morning, min 9°C on Fri night). Winds increasing (light winds from the SSW on Fri night, fresh winds from the S by Sun night).

Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Mon
1
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
High Tide
12:39PM3.84m
1:03AM3.82m
1:32PM3.83m
1:51AM3.82m
2:26PM3.74m
2:41AM3.78m
3:22PM3.57m
3:34AM3.71m
4:20PM3.37m
4:30AM3.60m
5:22PM3.18m
5:30AM3.49m
6:25PM3.05m
6:32AM3.39m
7:29PM2.99m
7:35AM3.31m
8:30PM3.02m
8:37AM3.26m
9:26PM3.09m
9:35AM3.24m
10:14PM3.18m
10:26AM3.25m
10:56PM3.27m
11:12AM3.27m
11:34PM3.34m
11:54AM3.30m
00:10AM3.40m
12:34PM3.31m
Low Tide
6:27PM-0.01m
6:51AM-0.09m
7:14PM0.08m
7:40AM-0.10m
8:01PM0.24m
8:31AM-0.02m
8:51PM0.45m
9:27AM0.14m
9:44PM0.67m
10:28AM0.33m
10:43PM0.88m
11:35AM0.50m
11:49PM1.03m
12:45PM0.61m
1:00AM1.09m
1:51PM0.64m
2:07AM1.04m
2:47PM0.64m
3:05AM0.93m
3:35PM0.62m
3:55AM0.80m
4:18PM0.59m
4:39AM0.66m
4:58PM0.57m
5:20AM0.55m
5:36PM0.56m
5:59AM0.47m
6:14PM0.56m
Wave
Height (m)
Direction
Period (s)
0.3
W
2
0.3
SSW
3
0.2
S
4
0.1
S
4
0.4
SSE
3
1.1
SSE
5
0.9
SE
6
0.7
SE
5
0.7
SSE
7
0.6
SSE
5
0.7
SSE
6
0.8
SSE
5
0.9
SSE
5
0.9
SSE
5
0.5
SE
4
0.5
SSE
4
0.7
SSE
4
0.3
SSE
4
0.1
SE
14
0.1
S
16
0.1
SE
9
0.3
ENE
4
0.4
ENE
4
0.4
E
4
0.4
NE
5
0.2
ENE
4
0.1
NE
3
0.1
NW
2
0.3
SE
2
0.3
S
4
0.5
SSE
4
0.9
SSE
5
1.3
SSE
6
0.9
SSE
7
0.7
SSE
6
0.5
S
5
0.7
SW
4
0.4
S
4
0.3
S
4
0.3
SSE
4
0.8
SSE
5
0.5
SSE
4
0.7
SE
4
0.7
SE
4
1.3
SSE
6
1
SSE
5
1.3
SSE
6
light rain
rain showers
part cloud
cloud
cloud
rain showers
light rain
light rain
rain showers
part cloud
part cloud
light rain
cloud
cloud
light rain
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
part cloud
light rain
rain showers
light rain
clear
clear
cloud
cloud
cloud
rain showers
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
light rain
part cloud
clear
clear
light rain
rain shwrs
some clouds
cloudy
cloudy
rain shwrs
light rain
light rain
rain shwrs
some clouds
some clouds
light rain
cloudy
cloudy
light rain
some clouds
some clouds
some clouds
clear
some clouds
some clouds
some clouds
cloudy
some clouds
light rain
rain shwrs
light rain
clear
clear
cloudy
cloudy
cloudy
rain shwrs
some clouds
clear
clear
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
light rain
some clouds
clear
clear
km/h
20
WSW
15
SW
5
WSW
5
SE
25
SSE
30
SE
15
SSW
25
SW
25
SW
20
SW
20
SW
20
S
20
S
20
S
20
SSE
10
S
15
SW
5
WNW
5
NE
10
ENE
5
NE
5
ESE
10
ESE
15
SSE
10
WNW
5
W
15
WSW
10
WNW
10
SSE
5
SSW
20
SSE
25
S
25
SSW
25
SW
25
WSW
20
SW
30
WSW
20
W
15
WSW
15
SSW
25
SSW
15
S
25
SSE
25
SE
25
S
30
SSW
30
SSW
1
4
11
1
1
1
1
2
1
1
1
2
2
max °C
10
10
8
11
12
12
15
15
12
15
19
16
20
19
15
21
21
17
16
16
14
19
19
16
13
14
13
14
16
14
13
14
13
14
16
11
13
15
11
15
16
12
12
14
15
17
17
Moonrise
5:00
5:43
6:48
8:13
9:44
11:15
12:40
2:01
3:18
4:34
5:50
7:06
8:23
9:36
10:43
Moonset
11:17
12:32
1:24
1:56
2:17
2:32
2:43
2:52
3:01
3:11
3:21
3:35
3:54
4:20
4:57
Sunrise
5:22
5:20
5:18
5:18
5:16
5:15
5:13
5:11
5:11
5:09
5:09
5:07
5:07
5:05
5:03
5:03
Sunset
9:20
9:21
9:22
9:23
9:25
9:27
9:29
9:30
9:31
9:32
9:34
9:36
9:37
9:37
9:39
9:40
Today's sea temperature in Dun Laoghaire is
11.8° C
(Statistics for 17 May 1981-2005 – mean: 10.8 max: 12.4 min: 8.7°C)
Issued (local time): 12 pm Sunday 17 May 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest