High and low water times and heights at Holyhead

Tidal predictions are available for the next 28 days. For information beyond this period, please consider using the POLTIPS·3 software package, available for purchase from the Marine Data Products Team.

Times in GMT, heights in metres above chart datum. For times in BST, add one hour.
Predictions DO NOT include meteorological effects.
(H - high water, L - low water)

Prediction chart   UK & Ireland
© National Oceanography Centre, Liverpool
Fri 1st
Mar 2024
01:17
5.02m H
07:16
1.42m L
13:30
5.10m H
19:42
1.50m L
Sat 2nd01:51
4.85m H
07:54
1.66m L
14:06
4.85m H
20:22
1.78m L
Sun 3rd02:34
4.63m H
08:42
1.95m L
14:54
4.56m H
21:17
2.09m L
Mon 4th03:34
4.40m H
09:51
2.20m L
16:10
4.29m H
22:40
2.31m L
Tue 5th05:05
4.28m H
11:26
2.25m L
17:59
4.25m H
Wed 6th00:16
2.25m L
06:41
4.45m H
12:56
1.97m L
19:29
4.52m H
Thu 7th01:33
1.91m L
07:51
4.82m H
14:03
1.49m L
20:30
4.91m H
Fri 8th02:30
1.47m L
08:42
5.25m H
14:56
0.97m L
21:17
5.28m H
Sat 9th03:15
1.02m L
09:27
5.66m H
15:41
0.51m L
21:58
5.59m H
Sun 10th03:57
0.64m L
10:09
6.00m H
16:23
0.19m L
22:38
5.79m H
Mon 11th04:38
0.37m L
10:50
6.22m H
17:04
0.03m L
23:18
5.87m H
Tue 12th05:18
0.25m L
11:33
6.28m H
17:46
0.08m L
23:59
5.81m H
Wed 13th06:00
0.30m L
12:15
6.17m H
18:28
0.31m L
Thu 14th00:40
5.64m H
06:44
0.52m L
13:00
5.88m H
19:11
0.69m L
Fri 15th01:22
5.37m H
07:30
0.88m L
13:46
5.47m H
19:57
1.18m L
Sat 16th02:08
5.03m H
08:22
1.32m L
14:38
4.98m H
20:50
1.71m L
Sun 17th03:03
4.68m H
09:27
1.78m L
15:45
4.51m H
21:59
2.18m L
Mon 18th04:19
4.38m H
10:55
2.08m L
17:24
4.22m H
23:32
2.41m L
Tue 19th06:05
4.33m H
12:31
2.07m L
19:06
4.28m H
Wed 20th01:03
2.32m L
07:29
4.53m H
13:47
1.82m L
20:12
4.52m H
Thu 21st02:06
2.04m L
08:23
4.80m H
14:37
1.52m L
20:55
4.76m H
Fri 22nd02:50
1.73m L
09:03
5.04m H
15:15
1.26m L
21:28
4.96m H
Sat 23rd03:24
1.46m L
09:35
5.23m H
15:47
1.06m L
21:57
5.12m H
Sun 24th03:53
1.22m L
10:03
5.37m H
16:15
0.92m L
22:23
5.24m H
Mon 25th04:20
1.05m L
10:32
5.46m H
16:42
0.85m L
22:48
5.32m H
Tue 26th04:47
0.95m L
11:00
5.50m H
17:09
0.85m L
23:16
5.36m H
Wed 27th05:15
0.92m L
11:29
5.48m H
17:36
0.92m L
23:45
5.34m H
Thu 28th05:44
0.98m L
11:58
5.40m H
18:05
1.04m L

Disclaimer

While every effort has been made to ensure the accuracy of the information provided, no responsibility can be accepted by the National Oceanography Centre for any consequential loss or damage arising from its use.

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