High and low water times and heights at Portsmouth

Tidal predictions

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 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)

© National Oceanography Centre, Liverpool
Thu 24th Jul 201402:36 1.39m L 09:37 4.16m H 14:58 1.45m L 21:51 4.29m H 
Fri 25th03:21 1.18m L 10:18 4.30m H 15:42 1.27m L 22:29 4.38m H 
Sat 26th04:03 1.01m L 10:54 4.41m H 16:23 1.14m L 23:05 4.45m H 
Sun 27th04:42 0.90m L 11:31 4.49m H 17:00 1.06m L 23:41 4.50m H 
Mon 28th05:17 0.85m L 12:07 4.53m H 17:34 1.04m L 
Tue 29th00:16 4.51m H 05:51 0.86m L 12:43 4.54m H 18:06 1.07m L 
Wed 30th00:50 4.49m H 06:21 0.91m L 13:17 4.51m H 18:35 1.11m L 
Thu 31st01:22 4.44m H 06:50 0.98m L 13:48 4.47m H 19:05 1.17m L 
Fri 1st Aug 201401:54 4.37m H 07:20 1.06m L 14:20 4.42m H 19:37 1.24m L 
Sat 2nd02:29 4.27m H 07:54 1.17m L 14:56 4.35m H 20:15 1.35m L 
Sun 3rd03:10 4.15m H 08:33 1.33m L 15:40 4.24m H 21:00 1.51m L 
Mon 4th04:02 4.01m H 09:23 1.55m L 16:36 4.12m H 22:00 1.69m L 
Tue 5th05:07 3.90m H 10:33 1.75m L 17:45 4.04m H 23:25 1.74m L 
Wed 6th06:28 3.89m H 12:00 1.76m L 19:03 4.07m H 
Thu 7th00:41 1.59m L 07:51 4.03m H 13:12 1.60m L 20:19 4.23m H 
Fri 8th01:46 1.33m L 09:01 4.28m H 14:15 1.33m L 21:20 4.47m H 
Sat 9th02:46 0.99m L 09:54 4.56m H 15:13 1.00m L 22:09 4.71m H 
Sun 10th03:40 0.65m L 10:39 4.79m H 16:05 0.71m L 22:54 4.88m H 
Mon 11th04:29 0.39m L 11:24 4.93m H 16:52 0.51m L 23:39 4.97m H 
Tue 12th05:15 0.25m L 12:09 4.99m H 17:37 0.44m L 
Wed 13th00:24 4.97m H 05:59 0.25m L 12:54 4.97m H 18:20 0.49m L 
Thu 14th01:09 4.89m H 06:41 0.37m L 13:40 4.90m H 19:03 0.63m L 
Fri 15th01:54 4.76m H 07:23 0.58m L 14:27 4.78m H 19:45 0.84m L 
Sat 16th02:41 4.56m H 08:07 0.87m L 15:16 4.60m H 20:32 1.12m L 
Sun 17th03:34 4.32m H 08:56 1.24m L 16:15 4.37m H 21:26 1.45m L 
Mon 18th04:47 4.07m H 09:54 1.62m L 17:26 4.13m H 22:35 1.75m L 
Tue 19th06:09 3.88m H 11:16 1.92m L 18:37 3.95m H 
Wed 20th00:07 1.87m L 07:24 3.82m H 12:45 1.97m L 19:48 3.92m H 
Prediction chart

UK & Ireland


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.