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 20th
Oct 2018
01:34
1.93m L
08:30
4.06m H
14:02
1.89m L
20:45
3.98m H
Sun 21st02:15
1.68m L
09:15
4.30m H
14:37
1.62m L
21:27
4.24m H
Mon 22nd02:51
1.42m L
09:52
4.51m H
15:10
1.36m L
22:02
4.45m H
Tue 23rd03:24
1.17m L
10:25
4.65m H
15:42
1.13m L
22:35
4.61m H
Wed 24th03:58
0.97m L
10:57
4.75m H
16:16
0.94m L
23:08
4.71m H
Thu 25th04:33
0.82m L
11:29
4.81m H
16:51
0.80m L
23:43
4.78m H
Fri 26th05:09
0.75m L
12:05
4.84m H
17:28
0.75m L
Sat 27th00:21
4.80m H
05:46
0.78m L
12:42
4.84m H
18:06
0.79m L
Sun 28th01:03
4.77m H
06:24
0.89m L
13:24
4.78m H
18:45
0.91m L
Mon 29th01:48
4.67m H
07:06
1.09m L
14:08
4.65m H
19:29
1.11m L
Tue 30th02:37
4.52m H
07:52
1.36m L
14:57
4.45m H
20:20
1.37m L
Wed 31st03:35
4.34m H
08:50
1.67m L
15:57
4.23m H
21:25
1.63m L
Thu 1st
Nov 2018
05:04
4.20m H
10:12
1.91m L
17:30
4.06m H
22:59
1.76m L
Fri 2nd06:35
4.21m H
11:49
1.90m L
19:03
4.09m H
Sat 3rd00:22
1.68m L
07:48
4.37m H
13:03
1.71m L
20:10
4.28m H
Sun 4th01:29
1.46m L
08:44
4.59m H
14:02
1.42m L
21:00
4.50m H
Mon 5th02:23
1.18m L
09:27
4.78m H
14:50
1.13m L
21:42
4.67m H
Tue 6th03:09
0.93m L
10:06
4.89m H
15:33
0.90m L
22:22
4.77m H
Wed 7th03:52
0.78m L
10:45
4.92m H
16:14
0.77m L
23:01
4.80m H
Thu 8th04:32
0.74m L
11:23
4.90m H
16:53
0.75m L
23:41
4.78m H
Fri 9th05:10
0.80m L
12:00
4.84m H
17:30
0.81m L
Sat 10th00:20
4.72m H
05:47
0.94m L
12:37
4.76m H
18:06
0.93m L
Sun 11th01:00
4.63m H
06:23
1.13m L
13:13
4.64m H
18:42
1.11m L
Mon 12th01:40
4.51m H
07:00
1.36m L
13:50
4.47m H
19:18
1.32m L
Tue 13th02:22
4.35m H
07:37
1.62m L
14:29
4.26m H
19:56
1.57m L
Wed 14th03:10
4.16m H
08:18
1.90m L
15:12
4.01m H
20:39
1.85m L
Thu 15th04:18
3.98m H
09:13
2.18m L
16:11
3.77m H
21:45
2.10m L
Fri 16th05:29
3.88m H
11:02
2.32m L
17:42
3.65m H
23:33
2.17m 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.