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
Sat 20th Sep 201401:51 1.74m L 08:58 4.08m H 14:16 1.73m L 21:10 4.07m H 
Sun 21st02:35 1.48m L 09:37 4.29m H 14:57 1.47m L 21:46 4.28m H 
Mon 22nd03:14 1.24m L 10:10 4.46m H 15:33 1.25m L 22:20 4.45m H 
Tue 23rd03:49 1.05m L 10:43 4.59m H 16:07 1.10m L 22:54 4.57m H 
Wed 24th04:22 0.93m L 11:15 4.65m H 16:39 1.00m L 23:27 4.63m H 
Thu 25th04:54 0.87m L 11:48 4.68m H 17:09 0.94m L 23:59 4.65m H 
Fri 26th05:24 0.85m L 12:18 4.69m H 17:39 0.90m L 
Sat 27th00:31 4.65m H 05:54 0.86m L 12:51 4.68m H 18:11 0.91m L 
Sun 28th01:06 4.61m H 06:27 0.93m L 13:24 4.65m H 18:45 0.97m L 
Mon 29th01:43 4.54m H 07:03 1.05m L 14:03 4.57m H 19:23 1.09m L 
Tue 30th02:26 4.43m H 07:43 1.25m L 14:47 4.42m H 20:06 1.30m L 
Wed 1st Oct 201403:17 4.27m H 08:32 1.53m L 15:41 4.24m H 21:02 1.57m L 
Thu 2nd04:21 4.11m H 09:37 1.82m L 16:49 4.06m H 22:22 1.79m L 
Fri 3rd06:01 4.05m H 11:19 1.94m L 18:30 4.03m H 
Sat 4th00:02 1.73m L 07:29 4.19m H 12:44 1.77m L 19:54 4.21m H 
Sun 5th01:15 1.49m L 08:35 4.46m H 13:49 1.45m L 20:52 4.49m H 
Mon 6th02:15 1.14m L 09:23 4.74m H 14:43 1.09m L 21:37 4.74m H 
Tue 7th03:06 0.81m L 10:05 4.94m H 15:30 0.78m L 22:20 4.92m H 
Wed 8th03:51 0.56m L 10:46 5.04m H 16:15 0.57m L 23:02 4.99m H 
Thu 9th04:35 0.44m L 11:27 5.06m H 16:56 0.50m L 23:44 4.98m H 
Fri 10th05:15 0.47m L 12:08 5.01m H 17:36 0.54m L 
Sat 11th00:25 4.90m H 05:55 0.60m L 12:48 4.90m H 18:15 0.68m L 
Sun 12th01:07 4.77m H 06:34 0.82m L 13:27 4.75m H 18:54 0.89m L 
Mon 13th01:50 4.59m H 07:14 1.10m L 14:08 4.56m H 19:36 1.16m L 
Tue 14th02:36 4.38m H 07:57 1.44m L 14:53 4.31m H 20:20 1.49m L 
Wed 15th03:32 4.15m H 08:46 1.81m L 15:47 4.02m H 21:14 1.83m L 
Thu 16th04:54 3.94m H 09:54 2.14m L 17:09 3.77m H 22:38 2.09m L 
Fri 17th06:04 3.84m H 11:47 2.23m L 18:27 3.68m 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.