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
Sun 3rd
Dec 2023
02:53
4.25m H
08:07
1.88m L
14:52
4.07m H
20:28
1.74m L
Mon 4th03:48
4.11m H
08:59
2.07m L
15:43
3.86m H
21:22
1.94m L
Tue 5th04:51
4.00m H
10:05
2.22m L
16:57
3.70m H
22:31
2.07m L
Wed 6th05:52
3.96m H
11:26
2.25m L
18:11
3.67m H
23:46
2.09m L
Thu 7th06:51
4.00m H
12:35
2.15m L
19:15
3.76m H
Fri 8th00:46
2.00m L
07:48
4.11m H
13:22
1.99m L
20:12
3.92m H
Sat 9th01:32
1.86m L
08:39
4.26m H
14:00
1.79m L
21:00
4.11m H
Sun 10th02:12
1.69m L
09:22
4.40m H
14:37
1.58m L
21:43
4.29m H
Mon 11th02:51
1.51m L
10:00
4.52m H
15:15
1.36m L
22:21
4.44m H
Tue 12th03:33
1.34m L
10:36
4.63m H
15:57
1.16m L
23:00
4.57m H
Wed 13th04:15
1.22m L
11:14
4.71m H
16:39
1.02m L
23:42
4.65m H
Thu 14th05:00
1.15m L
11:54
4.75m H
17:24
0.95m L
Fri 15th00:26
4.70m H
05:46
1.15m L
12:38
4.74m H
18:10
0.95m L
Sat 16th01:13
4.69m H
06:33
1.22m L
13:24
4.68m H
18:58
1.03m L
Sun 17th02:03
4.64m H
07:22
1.33m L
14:12
4.56m H
19:48
1.14m L
Mon 18th03:00
4.56m H
08:15
1.46m L
15:05
4.41m H
20:41
1.28m L
Tue 19th04:15
4.48m H
09:13
1.60m L
16:07
4.27m H
21:42
1.42m L
Wed 20th05:24
4.44m H
10:20
1.70m L
17:28
4.17m H
22:49
1.53m L
Thu 21st06:24
4.42m H
11:32
1.73m L
18:40
4.14m H
23:59
1.57m L
Fri 22nd07:23
4.44m H
12:40
1.68m L
19:45
4.18m H
Sat 23rd01:04
1.56m L
08:19
4.49m H
13:41
1.55m L
20:43
4.26m H
Sun 24th02:03
1.49m L
09:09
4.55m H
14:35
1.40m L
21:34
4.37m H
Mon 25th02:56
1.41m L
09:56
4.60m H
15:24
1.26m L
22:21
4.46m H
Tue 26th03:45
1.34m L
10:38
4.63m H
16:09
1.15m L
23:06
4.52m H
Wed 27th04:29
1.30m L
11:18
4.63m H
16:51
1.09m L
23:48
4.55m H
Thu 28th05:11
1.29m L
11:57
4.60m H
17:32
1.08m L
Fri 29th00:27
4.55m H
05:51
1.32m L
12:33
4.55m H
18:10
1.11m L
Sat 30th01:07
4.52m H
06:29
1.38m L
13:11
4.47m H
18:48
1.18m L

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.