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
Tue 23rd
Apr 2024
04:12
1.10m L
11:02
4.41m H
16:25
1.04m L
23:22
4.53m H
Wed 24th04:41
1.04m L
11:35
4.46m H
16:54
1.02m L
23:53
4.55m H
Thu 25th05:09
1.00m L
12:08
4.48m H
17:23
1.03m L
Fri 26th00:22
4.54m H
05:39
0.97m L
12:40
4.47m H
17:54
1.07m L
Sat 27th00:52
4.52m H
06:12
0.98m L
13:15
4.43m H
18:27
1.15m L
Sun 28th01:27
4.46m H
06:47
1.06m L
13:54
4.35m H
19:06
1.30m L
Mon 29th02:06
4.34m H
07:27
1.21m L
14:41
4.23m H
19:50
1.53m L
Tue 30th02:54
4.16m H
08:15
1.44m L
15:37
4.08m H
20:47
1.80m L
Wed 1st
May 2024
03:52
3.95m H
09:21
1.69m L
16:54
3.98m H
22:16
1.98m L
Thu 2nd05:11
3.81m H
11:05
1.76m L
18:30
4.02m H
Fri 3rd00:00
1.88m L
06:53
3.87m H
12:27
1.61m L
19:44
4.21m H
Sat 4th01:08
1.62m L
08:04
4.10m H
13:30
1.34m L
20:42
4.45m H
Sun 5th02:03
1.31m L
08:57
4.35m H
14:23
1.05m L
21:27
4.67m H
Mon 6th02:51
1.00m L
09:41
4.57m H
15:10
0.80m L
22:09
4.81m H
Tue 7th03:36
0.77m L
10:24
4.70m H
15:54
0.66m L
22:50
4.87m H
Wed 8th04:18
0.64m L
11:08
4.75m H
16:36
0.64m L
23:32
4.87m H
Thu 9th04:59
0.62m L
11:52
4.74m H
17:18
0.73m L
Fri 10th00:13
4.80m H
05:39
0.69m L
12:37
4.66m H
17:59
0.91m L
Sat 11th00:54
4.69m H
06:21
0.84m L
13:23
4.55m H
18:40
1.14m L
Sun 12th01:35
4.52m H
07:03
1.05m L
14:11
4.39m H
19:25
1.41m L
Mon 13th02:18
4.29m H
07:48
1.30m L
15:04
4.21m H
20:15
1.69m L
Tue 14th03:06
4.03m H
08:40
1.58m L
16:10
4.02m H
21:16
1.95m L
Wed 15th04:06
3.76m H
09:45
1.82m L
17:16
3.89m H
22:36
2.10m L
Thu 16th05:27
3.58m H
11:05
1.95m L
18:22
3.84m H
23:58
2.08m L
Fri 17th06:45
3.55m H
12:20
1.92m L
19:27
3.91m H
Sat 18th01:01
1.94m L
07:51
3.67m H
13:17
1.78m L
20:21
4.05m H
Sun 19th01:49
1.75m L
08:40
3.85m H
14:03
1.62m L
21:03
4.20m H
Mon 20th02:29
1.56m L
09:21
4.04m H
14:42
1.47m L
21:42
4.33m H

Disclaimer

While every effort has been made to ensure the accuracy of the information provided, no responsibility can be accepted by the National Oceanography Centre for any consequential loss or damage arising from its use.