High and low water times and heights at Portsmouth

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 Marine Data Products 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)

Prediction chart   UK & Ireland
© National Oceanography Centre, Liverpool
Thu 16th
Jul 2020
00:59
1.90m L
07:51
3.74m H
13:15
1.91m L
20:18
4.00m H
Fri 17th01:48
1.75m L
08:54
3.91m H
14:04
1.77m L
21:13
4.14m H
Sat 18th02:32
1.54m L
09:45
4.11m H
14:50
1.58m L
21:58
4.28m H
Sun 19th03:15
1.30m L
10:27
4.29m H
15:35
1.37m L
22:36
4.42m H
Mon 20th03:59
1.06m L
11:04
4.44m H
16:19
1.16m L
23:14
4.54m H
Tue 21st04:43
0.86m L
11:43
4.56m H
17:04
1.00m L
23:54
4.63m H
Wed 22nd05:27
0.72m L
12:24
4.64m H
17:48
0.91m L
Thu 23rd00:36
4.67m H
06:11
0.66m L
13:09
4.68m H
18:32
0.90m L
Fri 24th01:20
4.66m H
06:54
0.69m L
13:55
4.68m H
19:16
0.96m L
Sat 25th02:06
4.60m H
07:38
0.78m L
14:44
4.65m H
20:01
1.07m L
Sun 26th02:54
4.50m H
08:24
0.93m L
15:37
4.58m H
20:51
1.22m L
Mon 27th03:48
4.36m H
09:15
1.12m L
16:36
4.48m H
21:49
1.39m L
Tue 28th04:51
4.21m H
10:18
1.34m L
17:40
4.37m H
23:00
1.53m L
Wed 29th06:06
4.09m H
11:30
1.51m L
18:47
4.28m H
Thu 30th00:15
1.57m L
07:24
4.05m H
12:45
1.59m L
19:57
4.26m H
Fri 31st01:25
1.51m L
08:34
4.13m H
13:54
1.55m L
20:57
4.33m H
Sat 1st
Aug 2020
02:27
1.34m L
09:31
4.27m H
14:54
1.41m L
21:48
4.42m H
Sun 2nd03:21
1.14m L
10:18
4.41m H
15:44
1.24m L
22:31
4.49m H
Mon 3rd04:06
0.95m L
11:01
4.51m H
16:28
1.09m L
23:12
4.53m H
Tue 4th04:48
0.83m L
11:42
4.55m H
17:09
1.01m L
23:50
4.53m H
Wed 5th05:27
0.78m L
12:20
4.56m H
17:47
0.99m L
Thu 6th00:27
4.51m H
06:05
0.80m L
12:58
4.54m H
18:24
1.04m L
Fri 7th01:04
4.46m H
06:41
0.88m L
13:36
4.50m H
18:58
1.13m L
Sat 8th01:41
4.38m H
07:15
1.02m L
14:14
4.44m H
19:32
1.26m L
Sun 9th02:17
4.27m H
07:47
1.19m L
14:51
4.34m H
20:05
1.43m L
Mon 10th02:54
4.12m H
08:20
1.40m L
15:27
4.21m H
20:40
1.62m L
Tue 11th03:33
3.95m H
08:56
1.64m L
16:09
4.06m H
21:23
1.83m L
Wed 12th04:24
3.77m H
09:42
1.90m L
17:10
3.91m H
22:26
2.02m L

Disclaimer

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.

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