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
Thu 16th
Aug 2018
02:12
4.61m H
07:42
0.74m L
14:48
4.64m H
20:04
1.03m L
Fri 17th03:00
4.41m H
08:26
1.04m L
15:40
4.47m H
20:51
1.32m L
Sat 18th03:57
4.17m H
09:15
1.40m L
16:41
4.25m H
21:46
1.63m L
Sun 19th05:12
3.94m H
10:16
1.76m L
17:45
4.04m H
23:02
1.88m L
Mon 20th06:27
3.78m H
11:43
2.00m L
18:53
3.90m H
Tue 21st00:34
1.94m L
07:42
3.76m H
13:07
2.01m L
20:03
3.89m H
Wed 22nd01:40
1.81m L
08:45
3.90m H
14:06
1.86m L
20:59
4.01m H
Thu 23rd02:30
1.60m L
09:33
4.10m H
14:53
1.64m L
21:42
4.18m H
Fri 24th03:13
1.37m L
10:12
4.30m H
15:33
1.43m L
22:18
4.33m H
Sat 25th03:51
1.16m L
10:46
4.45m H
16:10
1.25m L
22:53
4.46m H
Sun 26th04:27
1.00m L
11:20
4.55m H
16:44
1.12m L
23:27
4.54m H
Mon 27th05:00
0.90m L
11:54
4.60m H
17:16
1.04m L
Tue 28th00:00
4.58m H
05:32
0.85m L
12:27
4.61m H
17:47
1.00m L
Wed 29th00:33
4.59m H
06:03
0.84m L
12:59
4.61m H
18:18
0.99m L
Thu 30th01:06
4.57m H
06:34
0.87m L
13:32
4.60m H
18:51
1.02m L
Fri 31st01:41
4.53m H
07:06
0.93m L
14:07
4.56m H
19:25
1.08m L
Sat 1st
Sep 2018
02:19
4.44m H
07:42
1.05m L
14:47
4.48m H
20:05
1.21m L
Sun 2nd03:04
4.31m H
08:25
1.25m L
15:34
4.36m H
20:52
1.42m L
Mon 3rd03:58
4.15m H
09:18
1.52m L
16:32
4.20m H
21:56
1.65m L
Tue 4th05:06
4.01m H
10:33
1.78m L
17:45
4.08m H
23:27
1.75m L
Wed 5th06:36
3.98m H
12:08
1.82m L
19:18
4.10m H
Thu 6th00:51
1.61m L
08:09
4.15m H
13:27
1.65m L
20:35
4.30m H
Fri 7th02:01
1.33m L
09:12
4.44m H
14:32
1.34m L
21:30
4.56m H
Sat 8th02:59
0.97m L
10:01
4.71m H
15:25
0.99m L
22:15
4.78m H
Sun 9th03:48
0.64m L
10:44
4.89m H
16:12
0.71m L
22:58
4.91m H
Mon 10th04:33
0.42m L
11:27
4.98m H
16:56
0.55m L
23:40
4.95m H
Tue 11th05:15
0.34m L
12:09
4.97m H
17:36
0.53m L
Wed 12th00:22
4.90m H
05:56
0.40m L
12:50
4.91m H
18:15
0.61m 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.