Holyhead Sea Conditions and Tide Table

Holyhead 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 05:50 AM and sunset is at 08:54 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 24°C on Wed afternoon, min 17°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Fri morning. Cool air temperatures (max 18°C on Fri afternoon, min 14°C on Sat afternoon). Wind will be generally light.

Days 7–9 Weather Summary

Moderate rain (total 11mm), heaviest on Mon afternoon. Very mild (max 17°C on Wed afternoon, min 15°C on Mon night). Winds decreasing (fresh winds from the WNW on Mon night, calm by Wed night).

Days 10–12 Weather Summary

Some drizzle, heaviest during Fri night. Very mild (max 17°C on Thu afternoon, min 13°C on Thu night). Wind will be generally light.

Days 13–16 Weather Summary

Moderate rain (total 19mm), heaviest on Mon night. Very mild (max 18°C on Mon afternoon, min 13°C on Tue night). Winds increasing (light winds from the SW on Sun afternoon, strong winds from the SSW by Mon afternoon).

Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wed
26
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
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
10:01AM5.19m
10:21PM5.51m
10:50AM5.42m
11:07PM5.78m
11:35AM5.56m
11:49PM5.94m
12:16PM5.58m
00:30AM5.96m
12:56PM5.52m
1:10AM5.85m
1:35PM5.37m
1:49AM5.63m
2:12PM5.16m
2:28AM5.33m
2:51PM4.93m
3:07AM4.98m
3:32PM4.68m
3:52AM4.62m
4:23PM4.44m
4:52AM4.29m
5:32PM4.26m
6:23AM4.10m
7:07PM4.27m
8:04AM4.17m
8:27PM4.49m
9:08AM4.41m
9:19PM4.79m
9:52AM4.67m
9:59PM5.08m
Low Tide
4:01PM1.21m
4:33AM0.72m
4:48PM0.94m
5:19AM0.45m
5:32PM0.74m
6:02AM0.32m
6:14PM0.67m
6:44AM0.35m
6:54PM0.71m
7:25AM0.53m
7:34PM0.87m
8:05AM0.82m
8:13PM1.14m
8:44AM1.19m
8:54PM1.47m
9:26AM1.59m
9:39PM1.83m
10:14AM1.98m
10:37PM2.18m
11:17AM2.31m
11:58PM2.41m
12:45PM2.45m
1:37AM2.37m
2:08PM2.34m
2:47AM2.11m
3:05PM2.09m
3:35AM1.78m
3:46PM1.80m
Wave
Height (m)
Direction
Period (s)
0.2
SSW
6
0.3
SW
6
0.2
SSW
6
0.4
SW
3
0.1
SW
7
0.1
SW
10
0.1
SW
9
0.1
SW
8
0.4
SW
4
0.7
WNW
4
0.5
WNW
4
0.5
NW
3
0.5
NW
4
0.7
NW
4
0.4
NW
3
0.2
NNW
4
0.2
W
4
0.7
SW
5
0.4
SW
4
0.4
SW
5
0.6
SSW
6
1
WNW
4
0.9
WNW
5
0.9
WNW
4
1.2
W
5
0.7
W
4
0.4
SW
6
0.5
NNW
4
0.4
NNW
4
0.5
N
3
0.5
N
4
0.4
NW
3
0.3
SW
14
0.4
SW
6
0.6
SW
4
0.6
SW
4
0.4
SW
5
0.4
SW
5
0.5
SW
5
0.9
SSW
4
1.6
SSW
6
1.7
SW
7
1.1
SW
6
1.4
W
5
1.6
W
5
1.4
SW
5
2.3
SW
7
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
rain showers
part cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
light rain
light rain
mod rain
light rain
part cloud
cloud
light rain
rain showers
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
rain showers
part cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
light rain
rain showers
part cloud
rain showers
part cloud
light rain
light rain
clear
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
some clouds
rain shwrs
some clouds
some clouds
some clouds
clear
some clouds
some clouds
cloudy
light rain
light rain
mod rain
light rain
some clouds
cloudy
light rain
rain shwrs
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
clear
rain shwrs
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
light rain
rain shwrs
some clouds
rain shwrs
some clouds
light rain
light rain
km/h
10
S
15
SW
10
SE
15
S
5
WSW
10
S
10
SW
10
SW
10
S
20
NNW
10
NNW
20
NNW
20
NNW
15
NW
10
NNE
10
WSW
15
SW
25
S
5
WSW
10
SSE
10
N
25
WNW
25
W
30
W
30
WNW
10
WNW
5
N
15
NNW
10
N
20
N
15
NNW
15
NW
15
WSW
15
SW
25
SSW
20
SW
10
S
10
SW
20
SSW
35
S
45
SSW
30
SW
30
WSW
35
W
40
W
35
SW
50
SW
 mm
1
1
1
6
1
1
2
1
1
8
1
4
3
max °C
20
20
20
22
24
24
21
22
21
15
18
18
15
16
17
14
16
16
16
16
16
15
16
16
15
17
16
16
17
15
14
15
16
15
16
16
16
17
17
17
18
17
15
16
14
14
18
Moonrise
3:32
5:07
6:40
8:09
9:33
10:54
12:14
1:34
2:52
4:07
5:14
6:09
6:50
7:19
7:39
7:54
Moonset
8:35
8:53
9:06
9:16
9:26
9:36
9:48
10:02
10:20
10:47
11:24
12:16
1:20
2:34
3:53
Sunrise
5:50
5:52
5:52
5:54
5:56
5:58
6:00
6:01
6:03
6:05
6:07
6:09
6:11
6:11
6:13
6:16
Sunset
8:54
8:52
8:51
8:49
8:46
8:45
8:43
8:40
8:37
8:36
8:34
8:31
8:30
8:27
8:24
8:22
Today's sea temperature in Holyhead is
17.0° C
(Statistics for 11 Aug 1981-2005 – mean: 15.6 max: 17.3 min: 13.5°C)
Issued (local time): 12 pm Tuesday 11 Aug 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest