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
Tue 28th
Mar 202302:19
4.73m H08:40
1.79m L14:51
4.52m H21:00
2.14m L
Mar 202302:19
4.73m H08:40
1.79m L14:51
4.52m H21:00
2.14m L
Wed 29th03:14
4.42m H09:48
2.15m L16:03
4.16m H22:15
2.49m L
4.42m H09:48
2.15m L16:03
4.16m H22:15
2.49m L
Thu 30th04:36
4.20m H11:21
2.31m L17:48
4.04m H23:54
2.58m L
4.20m H11:21
2.31m L17:48
4.04m H23:54
2.58m L
Fri 31st06:22
4.23m H12:50
2.16m L19:21
4.22m H
4.23m H12:50
2.16m L19:21
4.22m H
Sat 1st
Apr 202301:15
2.37m L07:35
4.47m H13:52
1.86m L20:14
4.50m H
Apr 202301:15
2.37m L07:35
4.47m H13:52
1.86m L20:14
4.50m H
Sun 2nd02:08
2.05m L08:21
4.76m H14:36
1.53m L20:51
4.76m H
2.05m L08:21
4.76m H14:36
1.53m L20:51
4.76m H
Mon 3rd02:46
1.71m L08:57
5.02m H15:09
1.24m L21:21
4.99m H
1.71m L08:57
5.02m H15:09
1.24m L21:21
4.99m H
Tue 4th03:17
1.40m L09:28
5.23m H15:40
1.01m L21:49
5.18m H
1.40m L09:28
5.23m H15:40
1.01m L21:49
5.18m H
Wed 5th03:46
1.13m L09:58
5.41m H16:09
0.85m L22:17
5.33m H
1.13m L09:58
5.41m H16:09
0.85m L22:17
5.33m H
Thu 6th04:15
0.93m L10:27
5.53m H16:37
0.75m L22:46
5.44m H
0.93m L10:27
5.53m H16:37
0.75m L22:46
5.44m H
Fri 7th04:45
0.80m L10:59
5.59m H17:07
0.72m L23:17
5.49m H
0.80m L10:59
5.59m H17:07
0.72m L23:17
5.49m H
Sat 8th05:17
0.77m L11:31
5.58m H17:39
0.77m L23:50
5.48m H
0.77m L11:31
5.58m H17:39
0.77m L23:50
5.48m H
Sun 9th05:51
0.82m L12:06
5.50m H18:13
0.91m L
0.82m L12:06
5.50m H18:13
0.91m L
Mon 10th00:25
5.40m H06:29
0.96m L12:44
5.34m H18:51
1.14m L
5.40m H06:29
0.96m L12:44
5.34m H18:51
1.14m L
Tue 11th01:05
5.24m H07:12
1.19m L13:27
5.08m H19:37
1.46m L
5.24m H07:12
1.19m L13:27
5.08m H19:37
1.46m L
Wed 12th01:51
5.00m H08:06
1.48m L14:24
4.76m H20:36
1.83m L
5.00m H08:06
1.48m L14:24
4.76m H20:36
1.83m L
Thu 13th02:52
4.72m H09:17
1.74m L15:42
4.46m H21:59
2.11m L
4.72m H09:17
1.74m L15:42
4.46m H21:59
2.11m L
Fri 14th04:16
4.55m H10:48
1.82m L17:27
4.39m H23:33
2.11m L
4.55m H10:48
1.82m L17:27
4.39m H23:33
2.11m L
Sat 15th05:51
4.63m H12:17
1.60m L18:54
4.62m H
4.63m H12:17
1.60m L18:54
4.62m H
Sun 16th00:53
1.83m L07:06
4.93m H13:27
1.23m L19:56
4.94m H
1.83m L07:06
4.93m H13:27
1.23m L19:56
4.94m H
Mon 17th01:53
1.44m L08:03
5.27m H14:21
0.85m L20:43
5.23m H
1.44m L08:03
5.27m H14:21
0.85m L20:43
5.23m H
Tue 18th02:40
1.06m L08:50
5.57m H15:06
0.58m L21:24
5.44m H
1.06m L08:50
5.57m H15:06
0.58m L21:24
5.44m H
Wed 19th03:22
0.76m L09:32
5.79m H15:46
0.42m L22:01
5.58m H
0.76m L09:32
5.79m H15:46
0.42m L22:01
5.58m H
Thu 20th04:02
0.56m L10:13
5.88m H16:24
0.40m L22:39
5.64m H
0.56m L10:13
5.88m H16:24
0.40m L22:39
5.64m H
Fri 21st04:41
0.50m L10:54
5.85m H17:02
0.51m L23:16
5.61m H
0.50m L10:54
5.85m H17:02
0.51m L23:16
5.61m H
Sat 22nd05:20
0.59m L11:34
5.70m H17:39
0.74m L23:53
5.50m H
0.59m L11:34
5.70m H17:39
0.74m L23:53
5.50m H
Sun 23rd06:00
0.79m L12:14
5.45m H18:17
1.04m L
0.79m L12:14
5.45m H18:17
1.04m L
Mon 24th00:30
5.32m H06:41
1.08m L12:54
5.14m H18:54
1.39m L
5.32m H06:41
1.08m L12:54
5.14m H18:54
1.39m 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.