High and low water times and heights for HOLYHEAD

This page contains tidal predictions for the next 30 days. For information beyond this period please consider using our POLTIPS-3 software package, available for purchase from the Applications 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)

Sun 1st Aug 2010 01:29 5.16m H  07:42 1.36m L  13:51 4.79m H  19:55 1.66m L  Mon 2nd 02:06 4.97m H  08:20 1.57m L  14:32 4.64m H  20:39 1.88m L  Tue 3rd 02:51 4.75m H  09:07 1.80m L  15:23 4.48m H  21:36 2.08m L  Wed 4th 03:48 4.53m H  10:08 1.99m L  16:33 4.38m H  22:51 2.18m L  Thu 5th 05:06 4.41m H  11:24 2.07m L  17:57 4.42m H  Fri 6th 00:12 2.08m L  06:32 4.47m H  12:42 1.95m L  19:12 4.66m H  Sat 7th 01:25 1.76m L  07:44 4.72m H  13:48 1.66m L  20:11 4.99m H  Sun 8th 02:24 1.33m L  08:41 5.04m H  14:42 1.30m L  21:00 5.36m H  Mon 9th 03:15 0.89m L  09:29 5.34m H  15:28 0.94m L  21:44 5.70m H  Tue 10th 04:00 0.50m L  10:13 5.60m H  16:12 0.64m L  22:27 5.98m H  Wed 11th 04:45 0.23m L  10:57 5.75m H  16:55 0.45m L  23:11 6.15m H  Thu 12th 05:28 0.12m L  11:40 5.79m H  17:39 0.40m L  23:56 6.17m H  Fri 13th 06:12 0.18m L  12:24 5.71m H  18:23 0.49m L  Sat 14th 00:41 6.04m H  06:57 0.41m L  13:09 5.52m H  19:09 0.73m L  Sun 15th 01:27 5.76m H  07:45 0.76m L  13:56 5.26m H  19:59 1.07m L  Mon 16th 02:18 5.38m H  08:36 1.20m L  14:48 4.97m H  20:56 1.46m L  Tue 17th 03:16 4.95m H  09:36 1.65m L  15:51 4.69m H  22:06 1.83m L  Wed 18th 04:31 4.57m H  10:51 2.00m L  17:10 4.53m H  23:32 2.02m L  Thu 19th 06:06 4.39m H  12:13 2.12m L  18:38 4.57m H  Fri 20th 00:59 1.96m L  07:30 4.47m H  13:28 2.02m L  19:48 4.78m H  Sat 21st 02:06 1.73m L  08:30 4.66m H  14:24 1.79m L  20:38 5.02m H  Sun 22nd 02:55 1.47m L  09:12 4.85m H  15:07 1.56m L  21:17 5.23m H  Mon 23rd 03:33 1.25m L  09:46 5.00m H  15:42 1.35m L  21:50 5.39m H  Tue 24th 04:05 1.09m L  10:16 5.12m H  16:12 1.18m L  22:21 5.50m H  Wed 25th 04:34 0.98m L  10:44 5.21m H  16:41 1.08m L  22:50 5.56m H  Thu 26th 05:02 0.92m L  11:11 5.25m H  17:09 1.04m L  23:20 5.57m H  Fri 27th 05:30 0.93m L  11:39 5.26m H  17:39 1.07m L  23:51 5.52m H  Sat 28th 06:00 1.00m L  12:09 5.21m H  18:10 1.17m 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.