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
Sun 20th Apr 201402:12 4.55m H 07:34 0.91m L 14:44 4.46m H 19:58 1.18m L 
Mon 21st03:01 4.38m H 08:24 1.14m L 15:39 4.30m H 20:56 1.45m L 
Tue 22nd03:59 4.17m H 09:29 1.38m L 16:57 4.16m H 22:15 1.65m L 
Wed 23rd05:17 4.00m H 10:55 1.51m L 18:30 4.14m H 23:45 1.66m L 
Thu 24th06:55 4.00m H 12:17 1.47m L 19:42 4.26m H 
Fri 25th00:58 1.50m L 08:05 4.15m H 13:25 1.29m L 20:40 4.46m H 
Sat 26th01:59 1.24m L 08:57 4.36m H 14:21 1.04m L 21:26 4.63m H 
Sun 27th02:49 0.96m L 09:42 4.53m H 15:10 0.81m L 22:07 4.73m H 
Mon 28th03:34 0.73m L 10:24 4.63m H 15:54 0.66m L 22:47 4.77m H 
Tue 29th04:17 0.61m L 11:06 4.67m H 16:36 0.62m L 23:27 4.76m H 
Wed 30th04:57 0.58m L 11:46 4.65m H 17:15 0.68m L 
Thu 1st May 201400:06 4.71m H 05:35 0.63m L 12:27 4.61m H 17:53 0.80m L 
Fri 2nd00:43 4.63m H 06:12 0.74m L 13:07 4.54m H 18:30 0.97m L 
Sat 3rd01:21 4.52m H 06:49 0.91m L 13:48 4.43m H 19:09 1.18m L 
Sun 4th02:00 4.37m H 07:27 1.12m L 14:32 4.29m H 19:48 1.43m L 
Mon 5th02:40 4.16m H 08:07 1.37m L 15:21 4.11m H 20:32 1.71m L 
Tue 6th03:25 3.92m H 08:54 1.63m L 16:25 3.94m H 21:30 1.96m L 
Wed 7th04:27 3.70m H 10:00 1.87m L 17:31 3.83m H 23:06 2.08m L 
Thu 8th05:48 3.58m H 11:33 1.94m L 18:32 3.82m H 
Fri 9th00:27 2.00m L 06:56 3.61m H 12:40 1.85m L 19:34 3.92m H 
Sat 10th01:16 1.83m L 08:00 3.77m H 13:28 1.67m L 20:30 4.09m H 
Sun 11th01:55 1.60m L 08:53 3.99m H 14:09 1.45m L 21:17 4.27m H 
Mon 12th02:32 1.34m L 09:35 4.20m H 14:48 1.21m L 21:54 4.43m H 
Tue 13th03:10 1.07m L 10:12 4.38m H 15:27 0.98m L 22:30 4.56m H 
Wed 14th03:50 0.83m L 10:49 4.53m H 16:09 0.80m L 23:06 4.66m H 
Thu 15th04:31 0.66m L 11:29 4.64m H 16:51 0.70m L 23:46 4.74m H 
Fri 16th05:13 0.57m L 12:12 4.70m H 17:33 0.70m L 
Sat 17th00:29 4.76m H 05:56 0.58m L 12:57 4.71m H 18:18 0.79m 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.