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 1st
Dec 2020
04:47
1.27m L
11:46
4.63m H
17:04
1.14m L
Wed 2nd00:09
4.55m H
05:18
1.28m L
12:18
4.60m H
17:36
1.12m L
Thu 3rd00:43
4.53m H
05:53
1.31m L
12:50
4.56m H
18:12
1.14m L
Fri 4th01:19
4.48m H
06:30
1.37m L
13:26
4.48m H
18:50
1.21m L
Sat 5th01:59
4.42m H
07:10
1.48m L
14:07
4.37m H
19:32
1.33m L
Sun 6th02:45
4.33m H
07:57
1.63m L
14:54
4.23m H
20:21
1.48m L
Mon 7th03:38
4.24m H
08:52
1.78m L
15:50
4.09m H
21:22
1.62m L
Tue 8th04:46
4.18m H
10:04
1.88m L
17:00
4.00m H
22:40
1.67m L
Wed 9th06:10
4.22m H
11:28
1.82m L
18:27
4.04m H
23:56
1.58m L
Thu 10th07:18
4.35m H
12:36
1.63m L
19:39
4.20m H
Fri 11th01:00
1.40m L
08:17
4.53m H
13:36
1.39m L
20:37
4.40m H
Sat 12th01:59
1.19m L
09:07
4.71m H
14:30
1.12m L
21:28
4.59m H
Sun 13th02:52
1.00m L
09:54
4.85m H
15:21
0.90m L
22:16
4.74m H
Mon 14th03:42
0.87m L
10:39
4.93m H
16:09
0.75m L
23:03
4.81m H
Tue 15th04:30
0.82m L
11:23
4.93m H
16:54
0.69m L
23:50
4.82m H
Wed 16th05:15
0.86m L
12:06
4.87m H
17:38
0.71m L
Thu 17th00:36
4.76m H
05:59
0.96m L
12:48
4.76m H
18:21
0.81m L
Fri 18th01:22
4.66m H
06:43
1.12m L
13:30
4.60m H
19:06
0.97m L
Sat 19th02:10
4.52m H
07:28
1.30m L
14:15
4.40m H
19:51
1.17m L
Sun 20th03:04
4.37m H
08:16
1.52m L
15:03
4.17m H
20:39
1.41m L
Mon 21st04:15
4.22m H
09:08
1.75m L
16:03
3.94m H
21:33
1.66m L
Tue 22nd05:13
4.10m H
10:09
1.94m L
17:19
3.77m H
22:38
1.86m L
Wed 23rd06:09
4.03m H
11:26
2.03m L
18:28
3.70m H
23:54
1.94m L
Thu 24th07:07
4.01m H
12:40
1.98m L
19:33
3.74m H
Fri 25th01:00
1.90m L
08:03
4.08m H
13:36
1.85m L
20:30
3.86m H
Sat 26th01:53
1.80m L
08:53
4.18m H
14:21
1.70m L
21:19
4.03m H
Sun 27th02:36
1.68m L
09:37
4.31m H
15:00
1.54m L
22:03
4.21m H
Mon 28th03:15
1.57m L
10:17
4.42m H
15:36
1.39m L
22:42
4.35m H

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.