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)
© National Oceanography Centre, Liverpool
Mon 15th
Jul 202404:21
4.50m H10:51
2.01m L17:10
4.32m H23:12
2.28m L
Jul 202404:21
4.50m H10:51
2.01m L17:10
4.32m H23:12
2.28m L
Tue 16th05:29
4.41m H11:55
2.06m L18:18
4.39m H
4.41m H11:55
2.06m L18:18
4.39m H
Wed 17th00:22
2.22m L06:40
4.43m H12:58
2.00m L19:21
4.57m H
2.22m L06:40
4.43m H12:58
2.00m L19:21
4.57m H
Thu 18th01:26
2.04m L07:45
4.56m H13:54
1.84m L20:15
4.80m H
2.04m L07:45
4.56m H13:54
1.84m L20:15
4.80m H
Fri 19th02:21
1.77m L08:40
4.75m H14:44
1.63m L21:02
5.06m H
1.77m L08:40
4.75m H14:44
1.63m L21:02
5.06m H
Sat 20th03:11
1.46m L09:27
4.97m H15:29
1.39m L21:45
5.32m H
1.46m L09:27
4.97m H15:29
1.39m L21:45
5.32m H
Sun 21st03:56
1.14m L10:12
5.18m H16:12
1.16m L22:26
5.55m H
1.14m L10:12
5.18m H16:12
1.16m L22:26
5.55m H
Mon 22nd04:39
0.86m L10:54
5.35m H16:54
0.97m L23:08
5.74m H
0.86m L10:54
5.35m H16:54
0.97m L23:08
5.74m H
Tue 23rd05:24
0.65m L11:38
5.45m H17:38
0.86m L23:51
5.85m H
0.65m L11:38
5.45m H17:38
0.86m L23:51
5.85m H
Wed 24th06:08
0.54m L12:22
5.45m H18:21
0.84m L
0.54m L12:22
5.45m H18:21
0.84m L
Thu 25th00:36
5.87m H06:53
0.55m L13:07
5.37m H19:07
0.93m L
5.87m H06:53
0.55m L13:07
5.37m H19:07
0.93m L
Fri 26th01:21
5.78m H07:40
0.68m L13:54
5.21m H19:55
1.09m L
5.78m H07:40
0.68m L13:54
5.21m H19:55
1.09m L
Sat 27th02:09
5.61m H08:30
0.91m L14:45
5.01m H20:48
1.33m L
5.61m H08:30
0.91m L14:45
5.01m H20:48
1.33m L
Sun 28th03:02
5.35m H09:24
1.22m L15:42
4.79m H21:48
1.58m L
5.35m H09:24
1.22m L15:42
4.79m H21:48
1.58m L
Mon 29th04:03
5.06m H10:28
1.53m L16:50
4.63m H23:00
1.79m L
5.06m H10:28
1.53m L16:50
4.63m H23:00
1.79m L
Tue 30th05:17
4.81m H11:40
1.76m L18:08
4.61m H
4.81m H11:40
1.76m L18:08
4.61m H
Wed 31st00:19
1.84m L06:40
4.70m H12:54
1.84m L19:24
4.74m H
1.84m L06:40
4.70m H12:54
1.84m L19:24
4.74m H
Thu 1st
Aug 202401:36
1.72m L07:56
4.75m H14:03
1.77m L20:25
4.95m H
Aug 202401:36
1.72m L07:56
4.75m H14:03
1.77m L20:25
4.95m H
Fri 2nd02:40
1.50m L08:56
4.89m H14:57
1.62m L21:15
5.18m H
1.50m L08:56
4.89m H14:57
1.62m L21:15
5.18m H
Sat 3rd03:31
1.27m L09:44
5.03m H15:42
1.46m L21:57
5.36m H
1.27m L09:44
5.03m H15:42
1.46m L21:57
5.36m H
Sun 4th04:14
1.10m L10:24
5.13m H16:21
1.32m L22:34
5.48m H
1.10m L10:24
5.13m H16:21
1.32m L22:34
5.48m H
Mon 5th04:51
0.99m L11:00
5.18m H16:55
1.23m L23:09
5.53m H
0.99m L11:00
5.18m H16:55
1.23m L23:09
5.53m H
Tue 6th05:25
0.95m L11:33
5.18m H17:27
1.20m L23:42
5.52m H
0.95m L11:33
5.18m H17:27
1.20m L23:42
5.52m H
Wed 7th05:57
0.98m L12:04
5.15m H17:58
1.22m L
0.98m L12:04
5.15m H17:58
1.22m L
Thu 8th00:13
5.45m H06:29
1.06m L12:36
5.08m H18:30
1.30m L
5.45m H06:29
1.06m L12:36
5.08m H18:30
1.30m L
Fri 9th00:45
5.35m H07:01
1.19m L13:07
4.98m H19:03
1.45m L
5.35m H07:01
1.19m L13:07
4.98m H19:03
1.45m L
Sat 10th01:17
5.20m H07:34
1.38m L13:41
4.85m H19:39
1.65m L
5.20m H07:34
1.38m L13:41
4.85m H19:39
1.65m L
Sun 11th01:51
5.01m H08:10
1.61m L14:19
4.69m H20:18
1.89m L
5.01m H08:10
1.61m L14:19
4.69m H20:18
1.89m 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.