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 27th
Sep 2020
00:57
1.89m L
08:24
4.07m H
13:34
1.94m L
20:40
4.03m H
Mon 28th01:59
1.67m L
09:21
4.28m H
14:27
1.67m L
21:26
4.21m H
Tue 29th02:45
1.40m L
09:56
4.45m H
15:09
1.38m L
22:00
4.36m H
Wed 30th03:27
1.14m L
10:26
4.56m H
15:48
1.15m L
22:33
4.48m H
Thu 1st
Oct 2020
04:05
0.95m L
10:57
4.64m H
16:24
1.01m L
23:06
4.56m H
Fri 2nd04:40
0.87m L
11:30
4.67m H
16:58
0.96m L
23:39
4.60m H
Sat 3rd05:13
0.87m L
12:03
4.68m H
17:30
0.99m L
Sun 4th00:13
4.60m H
05:43
0.95m L
12:36
4.66m H
17:57
1.06m L
Mon 5th00:45
4.56m H
06:09
1.06m L
13:05
4.61m H
18:23
1.13m L
Tue 6th01:15
4.49m H
06:36
1.17m L
13:32
4.53m H
18:51
1.20m L
Wed 7th01:46
4.39m H
07:05
1.30m L
14:02
4.42m H
19:22
1.31m L
Thu 8th02:21
4.25m H
07:39
1.49m L
14:39
4.25m H
19:59
1.51m L
Fri 9th03:06
4.07m H
08:18
1.77m L
15:26
4.03m H
20:45
1.78m L
Sat 10th04:06
3.88m H
09:12
2.10m L
16:32
3.81m H
21:53
2.07m L
Sun 11th05:48
3.79m H
11:06
2.31m L
18:17
3.75m H
Mon 12th00:02
2.06m L
07:17
3.93m H
12:46
2.09m L
19:43
3.93m H
Tue 13th01:12
1.77m L
08:27
4.22m H
13:45
1.73m L
20:45
4.24m H
Wed 14th02:07
1.37m L
09:18
4.54m H
14:35
1.31m L
21:30
4.55m H
Thu 15th02:56
0.97m L
09:58
4.80m H
15:21
0.93m L
22:11
4.81m H
Fri 16th03:41
0.63m L
10:38
4.99m H
16:04
0.64m L
22:52
4.98m H
Sat 17th04:24
0.42m L
11:18
5.10m H
16:47
0.48m L
23:35
5.06m H
Sun 18th05:07
0.36m L
12:01
5.12m H
17:29
0.47m L
Mon 19th00:19
5.03m H
05:48
0.46m L
12:45
5.06m H
18:09
0.58m L
Tue 20th01:04
4.93m H
06:30
0.68m L
13:27
4.92m H
18:51
0.78m L
Wed 21st01:51
4.75m H
07:12
0.98m L
14:12
4.71m H
19:36
1.07m L
Thu 22nd02:42
4.51m H
08:00
1.36m L
15:01
4.43m H
20:27
1.41m L
Fri 23rd03:51
4.25m H
08:57
1.76m L
16:03
4.11m H
21:30
1.77m L
Sat 24th05:28
4.05m H
10:15
2.09m L
17:44
3.86m H
23:00
1.99m 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.

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