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
Wed 26th
Jan 2022
03:57
4.71m H
10:00
1.83m L
16:17
4.93m H
22:48
1.66m L
Thu 27th05:08
4.66m H
11:15
1.90m L
17:34
4.85m H
Fri 28th00:03
1.69m L
06:25
4.75m H
12:32
1.80m L
18:55
4.91m H
Sat 29th01:14
1.58m L
07:36
4.97m H
13:43
1.53m L
20:08
5.10m H
Sun 30th02:18
1.37m L
08:36
5.28m H
14:47
1.19m L
21:08
5.33m H
Mon 31st03:13
1.13m L
09:28
5.59m H
15:42
0.85m L
22:00
5.53m H
Tue 1st
Feb 2022
04:03
0.92m L
10:15
5.84m H
16:31
0.60m L
22:48
5.64m H
Wed 2nd04:48
0.78m L
11:01
6.00m H
17:18
0.46m L
23:33
5.65m H
Thu 3rd05:32
0.73m L
11:45
6.03m H
18:01
0.48m L
Fri 4th00:15
5.55m H
06:13
0.80m L
12:27
5.95m H
18:43
0.62m L
Sat 5th00:57
5.38m H
06:54
0.97m L
13:09
5.75m H
19:25
0.88m L
Sun 6th01:37
5.14m H
07:36
1.22m L
13:49
5.47m H
20:07
1.20m L
Mon 7th02:18
4.88m H
08:20
1.54m L
14:32
5.14m H
20:51
1.56m L
Tue 8th03:01
4.62m H
09:09
1.88m L
15:19
4.79m H
21:42
1.92m L
Wed 9th03:55
4.38m H
10:09
2.20m L
16:18
4.48m H
22:45
2.21m L
Thu 10th05:07
4.24m H
11:26
2.37m L
17:36
4.30m H
Fri 11th00:03
2.34m L
06:35
4.28m H
12:48
2.33m L
19:06
4.32m H
Sat 12th01:17
2.27m L
07:47
4.49m H
13:57
2.11m L
20:13
4.51m H
Sun 13th02:15
2.07m L
08:38
4.76m H
14:48
1.81m L
21:01
4.74m H
Mon 14th03:00
1.81m L
09:17
5.02m H
15:28
1.52m L
21:39
4.95m H
Tue 15th03:36
1.56m L
09:51
5.25m H
16:03
1.25m L
22:12
5.13m H
Wed 16th04:08
1.31m L
10:23
5.44m H
16:36
1.04m L
22:43
5.27m H
Thu 17th04:39
1.10m L
10:54
5.58m H
17:08
0.87m L
23:15
5.38m H
Fri 18th05:12
0.94m L
11:27
5.68m H
17:40
0.77m L
23:48
5.43m H
Sat 19th05:45
0.87m L
12:00
5.72m H
18:14
0.75m L
Sun 20th00:22
5.43m H
06:20
0.87m L
12:36
5.68m H
18:49
0.81m L
Mon 21st00:59
5.35m H
06:57
0.97m L
13:13
5.58m H
19:28
0.95m L
Tue 22nd01:39
5.21m H
07:39
1.15m L
13:54
5.39m H
20:12
1.18m L

Disclaimer

While every effort has been made to ensure the accuracy of the information provided, no responsibility can be accepted by the National Oceanographiy Centre for any consequential loss or damage arising from its use.

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