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)

Prediction chart   UK & Ireland
© National Oceanography Centre, Liverpool
Sun 3rd
Dec 2023
01:47
4.71m H
07:41
2.11m L
13:57
4.98m H
20:30
1.93m L
Mon 4th02:39
4.50m H
08:32
2.34m L
14:49
4.78m H
21:27
2.08m L
Tue 5th03:40
4.35m H
09:33
2.50m L
15:51
4.64m H
22:30
2.14m L
Wed 6th04:49
4.32m H
10:42
2.54m L
17:00
4.60m H
23:35
2.09m L
Thu 7th05:56
4.41m H
11:50
2.44m L
18:05
4.67m H
Fri 8th00:32
1.96m L
06:53
4.59m H
12:47
2.24m L
19:01
4.81m H
Sat 9th01:20
1.78m L
07:39
4.81m H
13:35
1.99m L
19:49
4.98m H
Sun 10th02:03
1.60m L
08:20
5.03m H
14:18
1.75m L
20:32
5.14m H
Mon 11th02:42
1.44m L
08:58
5.25m H
14:58
1.52m L
21:12
5.28m H
Tue 12th03:20
1.30m L
09:36
5.44m H
15:39
1.32m L
21:53
5.40m H
Wed 13th03:58
1.20m L
10:14
5.59m H
16:20
1.16m L
22:35
5.47m H
Thu 14th04:39
1.15m L
10:54
5.70m H
17:04
1.06m L
23:19
5.48m H
Fri 15th05:22
1.17m L
11:38
5.73m H
17:51
1.03m L
Sat 16th00:06
5.42m H
06:09
1.25m L
12:24
5.69m H
18:41
1.06m L
Sun 17th00:57
5.28m H
06:59
1.40m L
13:14
5.59m H
19:36
1.15m L
Mon 18th01:52
5.10m H
07:54
1.58m L
14:09
5.46m H
20:34
1.26m L
Tue 19th02:54
4.92m H
08:54
1.75m L
15:09
5.31m H
21:36
1.38m L
Wed 20th04:01
4.79m H
10:00
1.86m L
16:15
5.20m H
22:43
1.46m L
Thu 21st05:11
4.75m H
11:09
1.88m L
17:24
5.15m H
23:50
1.48m L
Fri 22nd06:18
4.81m H
12:16
1.80m L
18:31
5.16m H
Sat 23rd00:52
1.46m L
07:18
4.95m H
13:18
1.66m L
19:33
5.21m H
Sun 24th01:48
1.42m L
08:12
5.12m H
14:15
1.50m L
20:28
5.28m H
Mon 25th02:39
1.37m L
08:58
5.29m H
15:06
1.34m L
21:18
5.33m H
Tue 26th03:24
1.33m L
09:42
5.44m H
15:53
1.23m L
22:03
5.35m H
Wed 27th04:06
1.32m L
10:23
5.53m H
16:36
1.18m L
22:46
5.33m H
Thu 28th04:45
1.35m L
11:02
5.57m H
17:18
1.19m L
23:27
5.26m H
Fri 29th05:23
1.40m L
11:39
5.53m H
17:57
1.25m L
Sat 30th00:05
5.16m H
05:59
1.49m L
12:15
5.46m H
18:34
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.

d96b37e25c18f40a