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
Mon 9th
Dec 2019
02:21
1.63m L
09:26
4.39m H
14:44
1.52m L
21:44
4.28m H
Tue 10th02:57
1.45m L
10:03
4.52m H
15:18
1.31m L
22:21
4.43m H
Wed 11th03:33
1.28m L
10:38
4.61m H
15:54
1.12m L
22:57
4.54m H
Thu 12th04:11
1.14m L
11:12
4.68m H
16:33
0.97m L
23:33
4.62m H
Fri 13th04:51
1.05m L
11:48
4.73m H
17:13
0.87m L
Sat 14th00:13
4.67m H
05:33
1.03m L
12:27
4.74m H
17:55
0.86m L
Sun 15th00:57
4.67m H
06:15
1.08m L
13:10
4.69m H
18:39
0.93m L
Mon 16th01:42
4.63m H
07:01
1.19m L
13:55
4.60m H
19:25
1.04m L
Tue 17th02:32
4.55m H
07:49
1.34m L
14:44
4.46m H
20:15
1.19m L
Wed 18th03:28
4.45m H
08:45
1.51m L
15:39
4.30m H
21:13
1.35m L
Thu 19th04:45
4.38m H
09:50
1.64m L
16:50
4.16m H
22:22
1.47m L
Fri 20th06:00
4.36m H
11:06
1.69m L
18:17
4.12m H
23:36
1.50m L
Sat 21st07:04
4.40m H
12:18
1.62m L
19:27
4.18m H
Sun 22nd00:45
1.45m L
08:04
4.49m H
13:23
1.47m L
20:27
4.30m H
Mon 23rd01:46
1.34m L
08:56
4.60m H
14:19
1.28m L
21:18
4.44m H
Tue 24th02:41
1.20m L
09:42
4.70m H
15:09
1.08m L
22:06
4.55m H
Wed 25th03:30
1.08m L
10:26
4.75m H
15:56
0.94m L
22:50
4.62m H
Thu 26th04:16
1.02m L
11:07
4.75m H
16:39
0.86m L
23:33
4.64m H
Fri 27th04:59
1.01m L
11:46
4.72m H
17:21
0.84m L
Sat 28th00:15
4.63m H
05:39
1.06m L
12:25
4.66m H
18:00
0.89m L
Sun 29th00:56
4.58m H
06:19
1.15m L
13:03
4.56m H
18:39
0.99m L
Mon 30th01:36
4.51m H
06:58
1.27m L
13:42
4.44m H
19:18
1.13m L
Tue 31st02:18
4.41m H
07:38
1.43m L
14:21
4.28m H
19:57
1.31m L
Wed 1st
Jan 2020
03:03
4.28m H
08:18
1.62m L
15:03
4.08m H
20:37
1.52m L
Thu 2nd03:54
4.14m H
09:03
1.82m L
15:49
3.89m H
21:23
1.74m L
Fri 3rd04:54
4.02m H
09:57
2.00m L
16:55
3.73m H
22:22
1.92m L
Sat 4th05:51
3.95m H
11:10
2.09m L
18:09
3.67m H
23:35
2.00m L
Sun 5th06:48
3.94m H
12:21
2.05m L
19:13
3.71m 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.