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
Tue 21st Oct 201402:42 1.45m L 09:42 4.45m H 15:03 1.40m L 21:54 4.40m H 
Wed 22nd03:17 1.25m L 10:15 4.59m H 15:35 1.21m L 22:28 4.55m H 
Thu 23rd03:49 1.08m L 10:48 4.68m H 16:07 1.04m L 23:01 4.64m H 
Fri 24th04:22 0.96m L 11:19 4.73m H 16:39 0.91m L 23:35 4.70m H 
Sat 25th04:56 0.89m L 11:52 4.77m H 17:15 0.84m L 
Sun 26th00:10 4.72m H 05:32 0.88m L 12:27 4.77m H 17:51 0.84m L 
Mon 27th00:49 4.71m H 06:09 0.94m L 13:06 4.74m H 18:28 0.91m L 
Tue 28th01:31 4.65m H 06:48 1.08m L 13:47 4.65m H 19:09 1.05m L 
Wed 29th02:17 4.55m H 07:32 1.29m L 14:33 4.50m H 19:56 1.26m L 
Thu 30th03:09 4.41m H 08:23 1.54m L 15:27 4.31m H 20:52 1.50m L 
Fri 31st04:14 4.27m H 09:29 1.78m L 16:34 4.14m H 22:08 1.69m L 
Sat 1st Nov 201405:57 4.23m H 11:02 1.86m L 18:18 4.10m H 23:39 1.68m L 
Sun 2nd07:11 4.33m H 12:23 1.74m L 19:35 4.23m H 
Mon 3rd00:51 1.52m L 08:14 4.53m H 13:28 1.49m L 20:33 4.45m H 
Tue 4th01:52 1.26m L 09:03 4.74m H 14:23 1.19m L 21:19 4.66m H 
Wed 5th02:44 1.00m L 09:45 4.89m H 15:11 0.92m L 22:02 4.80m H 
Thu 6th03:31 0.80m L 10:26 4.97m H 15:55 0.74m L 22:45 4.87m H 
Fri 7th04:15 0.71m L 11:06 4.97m H 16:36 0.66m L 23:26 4.87m H 
Sat 8th04:56 0.72m L 11:46 4.92m H 17:16 0.68m L 
Sun 9th00:07 4.81m H 05:36 0.83m L 12:25 4.83m H 17:55 0.78m L 
Mon 10th00:48 4.72m H 06:15 0.99m L 13:03 4.71m H 18:34 0.94m L 
Tue 11th01:30 4.60m H 06:54 1.20m L 13:42 4.55m H 19:14 1.15m L 
Wed 12th02:14 4.45m H 07:35 1.46m L 14:24 4.34m H 19:55 1.41m L 
Thu 13th03:02 4.26m H 08:19 1.74m L 15:10 4.09m H 20:41 1.69m L 
Fri 14th04:06 4.08m H 09:12 2.02m L 16:09 3.85m H 21:40 1.96m L 
Sat 15th05:17 3.96m H 10:33 2.20m L 17:33 3.71m H 23:08 2.09m L 
Sun 16th06:18 3.93m H 12:10 2.18m L 18:42 3.71m H 
Mon 17th00:28 2.04m L 07:21 4.00m H 13:08 2.02m L 19:47 3.84m 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.