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 14th
Feb 2016
02:06
5.32m H
08:13
1.03m L
14:29
5.50m H
20:45
1.09m L
Mon 15th03:00
5.03m H
09:13
1.36m L
15:29
5.15m H
21:49
1.46m L
Tue 16th04:09
4.77m H
10:26
1.64m L
16:45
4.85m H
23:05
1.72m L
Wed 17th05:33
4.65m H
11:48
1.74m L
18:12
4.73m H
Thu 18th00:26
1.78m L
06:57
4.75m H
13:09
1.63m L
19:32
4.82m H
Fri 19th01:39
1.65m L
08:03
4.98m H
14:15
1.38m L
20:33
5.00m H
Sat 20th02:36
1.43m L
08:54
5.23m H
15:06
1.12m L
21:20
5.18m H
Sun 21st03:21
1.20m L
09:36
5.44m H
15:49
0.92m L
21:59
5.32m H
Mon 22nd04:00
1.02m L
10:14
5.59m H
16:26
0.79m L
22:34
5.41m H
Tue 23rd04:34
0.91m L
10:48
5.66m H
17:00
0.74m L
23:07
5.45m H
Wed 24th05:06
0.86m L
11:21
5.66m H
17:32
0.77m L
23:39
5.43m H
Thu 25th05:38
0.89m L
11:53
5.60m H
18:03
0.86m L
Fri 26th00:10
5.37m H
06:09
0.99m L
12:24
5.49m H
18:35
1.01m L
Sat 27th00:42
5.26m H
06:42
1.14m L
12:56
5.33m H
19:08
1.21m L
Sun 28th01:15
5.11m H
07:16
1.35m L
13:30
5.13m H
19:42
1.45m L
Mon 29th01:51
4.92m H
07:54
1.60m L
14:07
4.89m H
20:23
1.73m L
Tue 1st
Mar 2016
02:33
4.70m H
08:41
1.87m L
14:54
4.61m H
21:14
2.01m L
Wed 2nd03:28
4.48m H
09:41
2.12m L
15:58
4.36m H
22:23
2.21m L
Thu 3rd04:44
4.34m H
11:00
2.22m L
17:27
4.27m H
23:45
2.22m L
Fri 4th06:09
4.41m H
12:22
2.08m L
18:53
4.41m H
Sat 5th01:00
1.98m L
07:21
4.67m H
13:30
1.73m L
19:57
4.72m H
Sun 6th01:59
1.62m L
08:15
5.02m H
14:24
1.30m L
20:45
5.06m H
Mon 7th02:45
1.20m L
09:00
5.39m H
15:09
0.87m L
21:27
5.39m H
Tue 8th03:28
0.81m L
09:40
5.73m H
15:51
0.49m L
22:06
5.67m H
Wed 9th04:09
0.49m L
10:21
6.01m H
16:32
0.21m L
22:47
5.86m H
Thu 10th04:50
0.27m L
11:03
6.19m H
17:14
0.08m L
23:28
5.94m H
Fri 11th05:32
0.20m L
11:46
6.22m H
17:57
0.12m L
Sat 12th00:11
5.89m H
06:16
0.28m L
12:31
6.10m H
18:42
0.32m L

Disclaimer

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