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
Sun 3rd
Dec 202301:47
4.71m H07:41
2.11m L13:57
4.98m H20:30
1.93m L
Dec 202301:47
4.71m H07:41
2.11m L13:57
4.98m H20:30
1.93m L
Mon 4th02:39
4.50m H08:32
2.34m L14:49
4.78m H21:27
2.08m L
4.50m H08:32
2.34m L14:49
4.78m H21:27
2.08m L
Tue 5th03:40
4.35m H09:33
2.50m L15:51
4.64m H22:30
2.14m L
4.35m H09:33
2.50m L15:51
4.64m H22:30
2.14m L
Wed 6th04:49
4.32m H10:42
2.54m L17:00
4.60m H23:35
2.09m L
4.32m H10:42
2.54m L17:00
4.60m H23:35
2.09m L
Thu 7th05:56
4.41m H11:50
2.44m L18:05
4.67m H
4.41m H11:50
2.44m L18:05
4.67m H
Fri 8th00:32
1.96m L06:53
4.59m H12:47
2.24m L19:01
4.81m H
1.96m L06:53
4.59m H12:47
2.24m L19:01
4.81m H
Sat 9th01:20
1.78m L07:39
4.81m H13:35
1.99m L19:49
4.98m H
1.78m L07:39
4.81m H13:35
1.99m L19:49
4.98m H
Sun 10th02:03
1.60m L08:20
5.03m H14:18
1.75m L20:32
5.14m H
1.60m L08:20
5.03m H14:18
1.75m L20:32
5.14m H
Mon 11th02:42
1.44m L08:58
5.25m H14:58
1.52m L21:12
5.28m H
1.44m L08:58
5.25m H14:58
1.52m L21:12
5.28m H
Tue 12th03:20
1.30m L09:36
5.44m H15:39
1.32m L21:53
5.40m H
1.30m L09:36
5.44m H15:39
1.32m L21:53
5.40m H
Wed 13th03:58
1.20m L10:14
5.59m H16:20
1.16m L22:35
5.47m H
1.20m L10:14
5.59m H16:20
1.16m L22:35
5.47m H
Thu 14th04:39
1.15m L10:54
5.70m H17:04
1.06m L23:19
5.48m H
1.15m L10:54
5.70m H17:04
1.06m L23:19
5.48m H
Fri 15th05:22
1.17m L11:38
5.73m H17:51
1.03m L
1.17m L11:38
5.73m H17:51
1.03m L
Sat 16th00:06
5.42m H06:09
1.25m L12:24
5.69m H18:41
1.06m L
5.42m H06:09
1.25m L12:24
5.69m H18:41
1.06m L
Sun 17th00:57
5.28m H06:59
1.40m L13:14
5.59m H19:36
1.15m L
5.28m H06:59
1.40m L13:14
5.59m H19:36
1.15m L
Mon 18th01:52
5.10m H07:54
1.58m L14:09
5.46m H20:34
1.26m L
5.10m H07:54
1.58m L14:09
5.46m H20:34
1.26m L
Tue 19th02:54
4.92m H08:54
1.75m L15:09
5.31m H21:36
1.38m L
4.92m H08:54
1.75m L15:09
5.31m H21:36
1.38m L
Wed 20th04:01
4.79m H10:00
1.86m L16:15
5.20m H22:43
1.46m L
4.79m H10:00
1.86m L16:15
5.20m H22:43
1.46m L
Thu 21st05:11
4.75m H11:09
1.88m L17:24
5.15m H23:50
1.48m L
4.75m H11:09
1.88m L17:24
5.15m H23:50
1.48m L
Fri 22nd06:18
4.81m H12:16
1.80m L18:31
5.16m H
4.81m H12:16
1.80m L18:31
5.16m H
Sat 23rd00:52
1.46m L07:18
4.95m H13:18
1.66m L19:33
5.21m H
1.46m L07:18
4.95m H13:18
1.66m L19:33
5.21m H
Sun 24th01:48
1.42m L08:12
5.12m H14:15
1.50m L20:28
5.28m H
1.42m L08:12
5.12m H14:15
1.50m L20:28
5.28m H
Mon 25th02:39
1.37m L08:58
5.29m H15:06
1.34m L21:18
5.33m H
1.37m L08:58
5.29m H15:06
1.34m L21:18
5.33m H
Tue 26th03:24
1.33m L09:42
5.44m H15:53
1.23m L22:03
5.35m H
1.33m L09:42
5.44m H15:53
1.23m L22:03
5.35m H
Wed 27th04:06
1.32m L10:23
5.53m H16:36
1.18m L22:46
5.33m H
1.32m L10:23
5.53m H16:36
1.18m L22:46
5.33m H
Thu 28th04:45
1.35m L11:02
5.57m H17:18
1.19m L23:27
5.26m H
1.35m L11:02
5.57m H17:18
1.19m L23:27
5.26m H
Fri 29th05:23
1.40m L11:39
5.53m H17:57
1.25m L
1.40m L11:39
5.53m H17:57
1.25m L
Sat 30th00:05
5.16m H05:59
1.49m L12:15
5.46m H18:34
1.34m L
5.16m H05:59
1.49m L12:15
5.46m H18:34
1.34m 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.