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 12th
Dec 2018
02:03
4.41m H
07:18
1.53m L
14:05
4.32m H
19:34
1.41m L
Thu 13th02:44
4.28m H
07:54
1.71m L
14:42
4.14m H
20:12
1.59m L
Fri 14th03:27
4.14m H
08:36
1.90m L
15:26
3.95m H
20:57
1.79m L
Sat 15th04:27
4.02m H
09:31
2.07m L
16:22
3.79m H
21:57
1.95m L
Sun 16th05:39
3.96m H
10:51
2.14m L
17:50
3.72m H
23:18
1.99m L
Mon 17th06:39
4.00m H
12:03
2.05m L
19:00
3.79m H
Tue 18th00:23
1.88m L
07:38
4.11m H
12:57
1.85m L
20:00
3.96m H
Wed 19th01:15
1.68m L
08:32
4.29m H
13:46
1.57m L
20:52
4.18m H
Thu 20th02:05
1.43m L
09:18
4.47m H
14:33
1.27m L
21:37
4.40m H
Fri 21st02:53
1.17m L
09:59
4.65m H
15:19
0.99m L
22:20
4.59m H
Sat 22nd03:41
0.95m L
10:40
4.79m H
16:06
0.76m L
23:04
4.75m H
Sun 23rd04:28
0.81m L
11:23
4.89m H
16:54
0.61m L
23:51
4.84m H
Mon 24th05:16
0.75m L
12:09
4.93m H
17:41
0.57m L
Tue 25th00:38
4.86m H
06:03
0.79m L
12:54
4.89m H
18:27
0.62m L
Wed 26th01:27
4.82m H
06:51
0.90m L
13:42
4.78m H
19:15
0.74m L
Thu 27th02:19
4.73m H
07:39
1.06m L
14:31
4.62m H
20:05
0.91m L
Fri 28th03:18
4.61m H
08:32
1.25m L
15:27
4.43m H
20:58
1.12m L
Sat 29th04:48
4.50m H
09:30
1.45m L
16:39
4.24m H
21:59
1.34m L
Sun 30th05:46
4.41m H
10:37
1.62m L
18:03
4.11m H
23:08
1.52m L
Mon 31st06:45
4.35m H
11:51
1.69m L
19:11
4.07m H
Tue 1st
Jan 2019
00:21
1.59m L
07:46
4.34m H
13:01
1.63m L
20:13
4.11m H
Wed 2nd01:27
1.56m L
08:39
4.39m H
14:00
1.49m L
21:06
4.20m H
Thu 3rd02:23
1.45m L
09:26
4.45m H
14:51
1.32m L
21:51
4.31m H
Fri 4th03:12
1.33m L
10:07
4.51m H
15:37
1.16m L
22:32
4.41m H
Sat 5th03:57
1.22m L
10:46
4.56m H
16:18
1.04m L
23:12
4.49m H
Sun 6th04:37
1.16m L
11:23
4.59m H
16:58
0.98m L
23:50
4.53m H
Mon 7th05:16
1.15m L
11:59
4.59m H
17:35
0.97m L
Tue 8th00:28
4.55m H
05:52
1.18m L
12:35
4.56m H
18:09
1.01m 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.