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
Sat 23rd
Jan 2021
07:00
3.88m H
12:48
2.09m L
19:35
3.67m H
Sun 24th01:08
2.09m L
08:05
3.92m H
13:47
1.97m L
20:45
3.82m H
Mon 25th02:04
1.99m L
09:06
4.05m H
14:33
1.78m L
21:42
4.04m H
Tue 26th02:49
1.81m L
09:54
4.23m H
15:12
1.55m L
22:25
4.25m H
Wed 27th03:30
1.59m L
10:32
4.39m H
15:51
1.29m L
23:00
4.42m H
Thu 28th04:10
1.35m L
11:06
4.52m H
16:31
1.05m L
23:33
4.54m H
Fri 29th04:51
1.14m L
11:41
4.63m H
17:12
0.85m L
Sat 30th00:09
4.64m H
05:31
0.98m L
12:18
4.71m H
17:53
0.72m L
Sun 31st00:48
4.69m H
06:12
0.90m L
12:59
4.74m H
18:33
0.68m L
Mon 1st
Feb 2021
01:30
4.72m H
06:53
0.91m L
13:41
4.71m H
19:14
0.73m L
Tue 2nd02:15
4.70m H
07:34
0.98m L
14:24
4.63m H
19:55
0.84m L
Wed 3rd03:00
4.64m H
08:18
1.12m L
15:12
4.50m H
20:41
1.01m L
Thu 4th03:51
4.53m H
09:08
1.31m L
16:06
4.33m H
21:34
1.25m L
Fri 5th04:48
4.39m H
10:10
1.51m L
17:10
4.14m H
22:42
1.50m L
Sat 6th05:57
4.25m H
11:28
1.66m L
18:30
4.01m H
Sun 7th00:02
1.67m L
07:15
4.17m H
12:47
1.67m L
19:57
4.03m H
Mon 8th01:20
1.69m L
08:29
4.22m H
13:59
1.53m L
21:07
4.19m H
Tue 9th02:28
1.54m L
09:27
4.36m H
14:59
1.29m L
22:00
4.39m H
Wed 10th03:24
1.32m L
10:15
4.50m H
15:48
1.03m L
22:45
4.54m H
Thu 11th04:10
1.10m L
10:57
4.59m H
16:32
0.83m L
23:27
4.62m H
Fri 12th04:52
0.94m L
11:36
4.63m H
17:12
0.71m L
Sat 13th00:06
4.64m H
05:31
0.87m L
12:13
4.62m H
17:50
0.68m L
Sun 14th00:44
4.63m H
06:09
0.88m L
12:50
4.59m H
18:27
0.73m L
Mon 15th01:21
4.59m H
06:44
0.95m L
13:27
4.52m H
19:01
0.85m L
Tue 16th01:59
4.53m H
07:19
1.08m L
14:04
4.41m H
19:35
1.03m L
Wed 17th02:36
4.44m H
07:52
1.26m L
14:40
4.25m H
20:08
1.25m L
Thu 18th03:11
4.29m H
08:27
1.47m L
15:18
4.06m H
20:42
1.52m L
Fri 19th03:49
4.10m H
09:03
1.72m L
16:01
3.84m H
21:21
1.83m L

Disclaimer

While every effort has been made to ensure the accuracy of the information provided, no responsibility can be accepted by the National Oceanographiy Centre for any consequential loss or damage arising from its use.