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
Jul 202402:09
5.61m H08:30
0.91m L14:45
5.01m H20:48
1.33m L
Jul 202402:09
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
Mon 12th02:31
4.78m H08:52
1.87m L15:04
4.52m H21:08
2.14m L
4.78m H08:52
1.87m L15:04
4.52m H21:08
2.14m L
Tue 13th03:20
4.53m H09:46
2.12m L16:05
4.36m H22:14
2.34m L
4.53m H09:46
2.12m L16:05
4.36m H22:14
2.34m L
Wed 14th04:30
4.31m H10:58
2.30m L17:25
4.32m H23:37
2.38m L
4.31m H10:58
2.30m L17:25
4.32m H23:37
2.38m L
Thu 15th06:01
4.26m H12:20
2.27m L18:47
4.47m H
4.26m H12:20
2.27m L18:47
4.47m H
Fri 16th00:58
2.17m L07:24
4.44m H13:30
2.05m L19:52
4.77m H
2.17m L07:24
4.44m H13:30
2.05m L19:52
4.77m H
Sat 17th02:03
1.80m L08:26
4.74m H14:27
1.71m L20:42
5.11m H
1.80m L08:26
4.74m H14:27
1.71m L20:42
5.11m H
Sun 18th02:55
1.36m L09:14
5.06m H15:13
1.34m L21:26
5.46m H
1.36m L09:14
5.06m H15:13
1.34m L21:26
5.46m H
Mon 19th03:39
0.93m L09:56
5.35m H15:55
1.00m L22:06
5.78m H
0.93m L09:56
5.35m H15:55
1.00m L22:06
5.78m H
Tue 20th04:21
0.57m L10:36
5.58m H16:36
0.73m L22:48
6.02m H
0.57m L10:36
5.58m H16:36
0.73m L22:48
6.02m H
Wed 21st05:03
0.33m L11:17
5.71m H17:16
0.57m L23:29
6.16m H
0.33m L11:17
5.71m H17:16
0.57m L23:29
6.16m H
Thu 22nd05:45
0.24m L11:58
5.72m H17:58
0.55m L
0.24m L11:58
5.72m H17:58
0.55m L
Fri 23rd00:12
6.15m H06:27
0.33m L12:41
5.61m H18:42
0.67m L
6.15m H06:27
0.33m L12:41
5.61m H18:42
0.67m 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.