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 16th
Aug 2017
05:13
4.10m H
10:43
1.58m L
17:57
4.22m H
23:33
1.60m L
Thu 17th06:39
4.05m H
12:08
1.65m L
19:21
4.21m H
Fri 18th00:51
1.52m L
08:05
4.16m H
13:24
1.56m L
20:33
4.35m H
Sat 19th02:00
1.30m L
09:09
4.39m H
14:30
1.33m L
21:29
4.54m H
Sun 20th02:59
1.00m L
10:00
4.61m H
15:25
1.05m L
22:15
4.71m H
Mon 21st03:49
0.72m L
10:44
4.76m H
16:12
0.82m L
22:58
4.80m H
Tue 22nd04:34
0.53m L
11:26
4.83m H
16:55
0.68m L
23:39
4.82m H
Wed 23rd05:15
0.45m L
12:07
4.82m H
17:36
0.65m L
Thu 24th00:19
4.77m H
05:55
0.48m L
12:48
4.78m H
18:14
0.71m L
Fri 25th00:59
4.68m H
06:33
0.61m L
13:27
4.70m H
18:52
0.85m L
Sat 26th01:39
4.56m H
07:10
0.81m L
14:07
4.60m H
19:30
1.04m L
Sun 27th02:20
4.40m H
07:48
1.07m L
14:48
4.45m H
20:09
1.30m L
Mon 28th03:03
4.20m H
08:27
1.39m L
15:33
4.25m H
20:50
1.59m L
Tue 29th03:55
3.96m H
09:10
1.75m L
16:27
4.02m H
21:40
1.90m L
Wed 30th05:13
3.75m H
10:11
2.09m L
17:39
3.82m H
23:12
2.13m L
Thu 31st06:25
3.65m H
12:18
2.23m L
18:48
3.73m H
Fri 1st
Sep 2017
01:00
2.07m L
07:39
3.71m H
13:29
2.12m L
20:00
3.81m H
Sat 2nd01:52
1.88m L
08:45
3.92m H
14:15
1.91m L
21:00
4.01m H
Sun 3rd02:33
1.63m L
09:35
4.18m H
14:53
1.65m L
21:43
4.24m H
Mon 4th03:09
1.35m L
10:12
4.40m H
15:28
1.38m L
22:19
4.43m H
Tue 5th03:45
1.08m L
10:45
4.56m H
16:03
1.12m L
22:52
4.58m H
Wed 6th04:21
0.84m L
11:18
4.67m H
16:39
0.91m L
23:27
4.69m H
Thu 7th04:57
0.67m L
11:52
4.74m H
17:16
0.77m L
Fri 8th00:03
4.76m H
05:35
0.59m L
12:30
4.79m H
17:54
0.72m L
Sat 9th00:42
4.78m H
06:12
0.60m L
13:09
4.80m H
18:31
0.76m L
Sun 10th01:23
4.75m H
06:49
0.70m L
13:51
4.77m H
19:09
0.87m L
Mon 11th02:06
4.66m H
07:29
0.87m L
14:34
4.68m H
19:51
1.05m L
Tue 12th02:54
4.51m H
08:13
1.12m L
15:23
4.52m H
20:41
1.29m 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.