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
Mon 18th
Jun 2018
02:07
4.64m H
07:39
0.77m L
14:50
4.62m H
20:06
1.10m L
Tue 19th03:00
4.46m H
08:31
0.97m L
16:26
4.51m H
21:01
1.30m L
Wed 20th04:04
4.26m H
09:29
1.19m L
17:21
4.41m H
22:05
1.48m L
Thu 21st05:32
4.11m H
10:35
1.39m L
18:18
4.32m H
23:16
1.59m L
Fri 22nd06:39
4.02m H
11:45
1.51m L
19:16
4.28m H
Sat 23rd00:27
1.59m L
07:42
4.02m H
12:54
1.51m L
20:11
4.30m H
Sun 24th01:30
1.49m L
08:36
4.08m H
13:53
1.44m L
20:59
4.34m H
Mon 25th02:23
1.33m L
09:23
4.17m H
14:44
1.33m L
21:42
4.40m H
Tue 26th03:09
1.19m L
10:06
4.27m H
15:30
1.23m L
22:21
4.44m H
Wed 27th03:52
1.07m L
10:45
4.35m H
16:11
1.17m L
22:59
4.48m H
Thu 28th04:32
1.00m L
11:25
4.42m H
16:51
1.16m L
23:36
4.50m H
Fri 29th05:09
0.99m L
12:04
4.47m H
17:27
1.18m L
Sat 30th00:12
4.49m H
05:45
1.01m L
12:43
4.47m H
18:01
1.23m L
Sun 1st
Jul 2018
00:48
4.45m H
06:18
1.06m L
13:21
4.44m H
18:33
1.30m L
Mon 2nd01:21
4.38m H
06:49
1.13m L
13:55
4.38m H
19:06
1.37m L
Tue 3rd01:54
4.30m H
07:21
1.21m L
14:29
4.31m H
19:41
1.45m L
Wed 4th02:30
4.19m H
07:57
1.31m L
15:06
4.24m H
20:20
1.55m L
Thu 5th03:12
4.08m H
08:39
1.43m L
15:50
4.16m H
21:06
1.67m L
Fri 6th04:01
3.96m H
09:30
1.56m L
16:46
4.10m H
22:08
1.76m L
Sat 7th05:03
3.88m H
10:38
1.65m L
17:54
4.09m H
23:25
1.73m L
Sun 8th06:17
3.89m H
11:52
1.61m L
19:00
4.15m H
Mon 9th00:31
1.57m L
07:27
4.00m H
12:56
1.46m L
20:03
4.28m H
Tue 10th01:30
1.33m L
08:33
4.19m H
13:55
1.26m L
21:02
4.45m H
Wed 11th02:27
1.06m L
09:30
4.41m H
14:52
1.04m L
21:54
4.64m H
Thu 12th03:21
0.79m L
10:21
4.62m H
15:46
0.84m L
22:42
4.78m H
Fri 13th04:14
0.57m L
11:11
4.77m H
16:38
0.70m L
23:29
4.87m H
Sat 14th05:03
0.44m L
11:59
4.85m H
17:27
0.63m L
Sun 15th00:15
4.88m H
05:51
0.40m L
12:48
4.86m H
18:13
0.66m 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.