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 21st Aug 201401:21 1.78m L 08:32 3.92m H 13:50 1.83m L 20:48 4.02m H 
Fri 22nd02:15 1.57m L 09:22 4.10m H 14:39 1.60m L 21:32 4.17m H 
Sat 23rd03:00 1.32m L 10:00 4.28m H 15:22 1.36m L 22:09 4.32m H 
Sun 24th03:41 1.10m L 10:34 4.43m H 16:00 1.17m L 22:43 4.45m H 
Mon 25th04:18 0.93m L 11:08 4.53m H 16:36 1.05m L 23:18 4.53m H 
Tue 26th04:52 0.85m L 11:42 4.59m H 17:08 1.00m L 23:51 4.57m H 
Wed 27th05:24 0.83m L 12:16 4.61m H 17:38 0.98m L 
Thu 28th00:24 4.57m H 05:53 0.85m L 12:48 4.60m H 18:06 0.99m L 
Fri 29th00:55 4.54m H 06:21 0.89m L 13:18 4.58m H 18:36 1.01m L 
Sat 30th01:27 4.50m H 06:51 0.95m L 13:50 4.55m H 19:09 1.06m L 
Sun 31st02:03 4.42m H 07:25 1.05m L 14:26 4.48m H 19:45 1.17m L 
Mon 1st Sep 201402:44 4.30m H 08:04 1.23m L 15:09 4.35m H 20:28 1.35m L 
Tue 2nd03:34 4.15m H 08:51 1.49m L 16:03 4.19m H 21:24 1.60m L 
Wed 3rd04:37 4.00m H 09:57 1.78m L 17:11 4.04m H 22:46 1.78m L 
Thu 4th06:03 3.94m H 11:34 1.88m L 18:40 4.02m H 
Fri 5th00:19 1.69m L 07:39 4.07m H 12:56 1.72m L 20:06 4.19m H 
Sat 6th01:31 1.42m L 08:49 4.35m H 14:03 1.41m L 21:06 4.48m H 
Sun 7th02:32 1.06m L 09:40 4.65m H 15:00 1.04m L 21:54 4.74m H 
Mon 8th03:24 0.69m L 10:24 4.88m H 15:49 0.71m L 22:37 4.93m H 
Tue 9th04:12 0.41m L 11:06 5.02m H 16:34 0.49m L 23:21 5.02m H 
Wed 10th04:55 0.27m L 11:48 5.06m H 17:17 0.41m L 
Thu 11th00:03 5.01m H 05:37 0.28m L 12:31 5.02m H 17:58 0.46m L 
Fri 12th00:46 4.92m H 06:18 0.42m L 13:13 4.92m H 18:38 0.61m L 
Sat 13th01:30 4.78m H 06:57 0.65m L 13:56 4.78m H 19:19 0.83m L 
Sun 14th02:14 4.58m H 07:39 0.96m L 14:39 4.58m H 20:02 1.13m L 
Mon 15th03:03 4.34m H 08:24 1.34m L 15:29 4.32m H 20:51 1.48m L 
Tue 16th04:06 4.07m H 09:18 1.75m L 16:36 4.03m H 21:52 1.84m L 
Wed 17th05:36 3.86m H 10:37 2.09m L 17:57 3.81m H 23:33 2.03m L 
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.