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
Wed 18th
Jan 2017
03:00
4.45m H
08:19
1.26m L
15:09
4.24m H
20:40
1.23m L
Thu 19th03:52
4.28m H
09:06
1.53m L
16:03
4.00m H
21:29
1.55m L
Fri 20th04:54
4.10m H
10:00
1.81m L
17:14
3.79m H
22:29
1.83m L
Sat 21st05:54
3.95m H
11:17
1.99m L
18:23
3.67m H
23:53
2.00m L
Sun 22nd06:56
3.86m H
12:45
1.99m L
19:34
3.68m H
Mon 23rd01:11
1.98m L
08:02
3.90m H
13:45
1.86m L
20:41
3.82m H
Tue 24th02:06
1.85m L
09:00
4.04m H
14:31
1.67m L
21:33
4.03m H
Wed 25th02:49
1.67m L
09:46
4.22m H
15:10
1.45m L
22:16
4.24m H
Thu 26th03:27
1.47m L
10:24
4.38m H
15:47
1.22m L
22:52
4.40m H
Fri 27th04:03
1.27m L
10:59
4.50m H
16:23
1.01m L
23:25
4.51m H
Sat 28th04:40
1.08m L
11:32
4.60m H
17:00
0.83m L
23:58
4.59m H
Sun 29th05:17
0.93m L
12:06
4.66m H
17:37
0.71m L
Mon 30th00:34
4.64m H
05:55
0.85m L
12:43
4.70m H
18:15
0.66m L
Tue 31st01:12
4.67m H
06:33
0.84m L
13:23
4.69m H
18:54
0.69m L
Wed 1st
Feb 2017
01:53
4.66m H
07:12
0.89m L
14:04
4.62m H
19:33
0.78m L
Thu 2nd02:36
4.61m H
07:54
1.00m L
14:48
4.51m H
20:15
0.92m L
Fri 3rd03:23
4.52m H
08:41
1.16m L
15:39
4.36m H
21:05
1.13m L
Sat 4th04:17
4.39m H
09:38
1.36m L
16:39
4.19m H
22:08
1.37m L
Sun 5th05:23
4.26m H
10:52
1.53m L
17:53
4.05m H
23:28
1.54m L
Mon 6th06:44
4.18m H
12:13
1.56m L
19:24
4.04m H
Tue 7th00:48
1.56m L
08:03
4.23m H
13:28
1.43m L
20:39
4.19m H
Wed 8th02:00
1.42m L
09:05
4.40m H
14:33
1.18m L
21:36
4.41m H
Thu 9th03:00
1.17m L
09:54
4.58m H
15:26
0.89m L
22:23
4.60m H
Fri 10th03:50
0.92m L
10:39
4.70m H
16:13
0.65m L
23:06
4.70m H
Sat 11th04:34
0.73m L
11:20
4.76m H
16:55
0.50m L
23:47
4.74m H
Sun 12th05:15
0.64m L
12:00
4.76m H
17:36
0.46m L
Mon 13th00:27
4.73m H
05:54
0.64m L
12:38
4.71m H
18:14
0.51m L
Tue 14th01:06
4.68m H
06:32
0.72m L
13:17
4.62m H
18:51
0.64m 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.