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
Sat 27th
Apr 202405:54
1.11m L12:09
5.17m H18:12
1.27m L
Apr 202405:54
1.11m L12:09
5.17m H18:12
1.27m L
Sun 28th00:26
5.24m H06:33
1.26m L12:47
5.00m H18:51
1.49m L
5.24m H06:33
1.26m L12:47
5.00m H18:51
1.49m L
Mon 29th01:06
5.08m H07:18
1.45m L13:33
4.77m H19:39
1.75m L
5.08m H07:18
1.45m L13:33
4.77m H19:39
1.75m L
Tue 30th01:55
4.87m H08:15
1.65m L14:33
4.53m H20:42
2.01m L
4.87m H08:15
1.65m L14:33
4.53m H20:42
2.01m L
Wed 1st
May 202402:59
4.67m H09:27
1.78m L15:54
4.37m H22:03
2.14m L
May 202402:59
4.67m H09:27
1.78m L15:54
4.37m H22:03
2.14m L
Thu 2nd04:20
4.60m H10:50
1.72m L17:26
4.43m H23:27
2.03m L
4.60m H10:50
1.72m L17:26
4.43m H23:27
2.03m L
Fri 3rd05:42
4.74m H12:06
1.46m L18:40
4.67m H
4.74m H12:06
1.46m L18:40
4.67m H
Sat 4th00:37
1.73m L06:49
5.02m H13:09
1.11m L19:37
4.97m H
1.73m L06:49
5.02m H13:09
1.11m L19:37
4.97m H
Sun 5th01:33
1.35m L07:44
5.33m H14:01
0.79m L20:24
5.25m H
1.35m L07:44
5.33m H14:01
0.79m L20:24
5.25m H
Mon 6th02:22
0.99m L08:33
5.61m H14:48
0.55m L21:06
5.48m H
0.99m L08:33
5.61m H14:48
0.55m L21:06
5.48m H
Tue 7th03:06
0.70m L09:18
5.81m H15:31
0.43m L21:48
5.63m H
0.70m L09:18
5.81m H15:31
0.43m L21:48
5.63m H
Wed 8th03:51
0.52m L10:04
5.88m H16:14
0.45m L22:30
5.70m H
0.52m L10:04
5.88m H16:14
0.45m L22:30
5.70m H
Thu 9th04:35
0.48m L10:50
5.83m H16:56
0.59m L23:12
5.68m H
0.48m L10:50
5.83m H16:56
0.59m L23:12
5.68m H
Fri 10th05:21
0.57m L11:36
5.64m H17:39
0.84m L23:55
5.56m H
0.57m L11:36
5.64m H17:39
0.84m L23:55
5.56m H
Sat 11th06:07
0.78m L12:23
5.36m H18:23
1.16m L
0.78m L12:23
5.36m H18:23
1.16m L
Sun 12th00:39
5.37m H06:57
1.06m L13:11
5.03m H19:09
1.52m L
5.37m H06:57
1.06m L13:11
5.03m H19:09
1.52m L
Mon 13th01:24
5.12m H07:48
1.37m L14:03
4.70m H19:59
1.87m L
5.12m H07:48
1.37m L14:03
4.70m H19:59
1.87m L
Tue 14th02:15
4.85m H08:47
1.66m L15:03
4.41m H20:57
2.18m L
4.85m H08:47
1.66m L15:03
4.41m H20:57
2.18m L
Wed 15th03:15
4.61m H09:53
1.87m L16:14
4.22m H22:09
2.37m L
4.61m H09:53
1.87m L16:14
4.22m H22:09
2.37m L
Thu 16th04:26
4.46m H11:05
1.93m L17:30
4.20m H23:25
2.38m L
4.46m H11:05
1.93m L17:30
4.20m H23:25
2.38m L
Fri 17th05:41
4.45m H12:11
1.86m L18:37
4.32m H
4.45m H12:11
1.86m L18:37
4.32m H
Sat 18th00:30
2.23m L06:44
4.55m H13:06
1.70m L19:28
4.51m H
2.23m L06:44
4.55m H13:06
1.70m L19:28
4.51m H
Sun 19th01:22
2.00m L07:34
4.71m H13:51
1.53m L20:08
4.71m H
2.00m L07:34
4.71m H13:51
1.53m L20:08
4.71m H
Mon 20th02:04
1.76m L08:15
4.87m H14:28
1.37m L20:42
4.90m H
1.76m L08:15
4.87m H14:28
1.37m L20:42
4.90m H
Tue 21st02:40
1.53m L08:52
5.01m H15:02
1.26m L21:15
5.07m H
1.53m L08:52
5.01m H15:02
1.26m L21:15
5.07m H
Wed 22nd03:15
1.35m L09:27
5.12m H15:34
1.18m L21:47
5.21m H
1.35m L09:27
5.12m H15:34
1.18m L21:47
5.21m H
Thu 23rd03:49
1.22m L10:03
5.18m H16:07
1.14m L22:21
5.31m H
1.22m L10:03
5.18m H16:07
1.14m L22:21
5.31m H
Fri 24th04:24
1.13m L10:39
5.21m H16:42
1.14m L22:56
5.38m H
1.13m L10:39
5.21m H16:42
1.14m L22:56
5.38m H
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.