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 26th
Apr 2018
01:33
1.47m L
08:36
4.19m H
13:57
1.24m L
21:06
4.48m H
Fri 27th02:27
1.19m L
09:22
4.38m H
14:47
0.98m L
21:48
4.63m H
Sat 28th03:12
0.92m L
10:03
4.51m H
15:32
0.77m L
22:27
4.70m H
Sun 29th03:54
0.74m L
10:42
4.59m H
16:12
0.66m L
23:04
4.72m H
Mon 30th04:34
0.65m L
11:21
4.61m H
16:51
0.66m L
23:42
4.70m H
Tue 1st
May 2018
05:11
0.66m L
12:00
4.60m H
17:28
0.74m L
Wed 2nd00:18
4.66m H
05:47
0.74m L
12:38
4.56m H
18:03
0.89m L
Thu 3rd00:54
4.59m H
06:21
0.87m L
13:17
4.48m H
18:37
1.07m L
Fri 4th01:30
4.49m H
06:54
1.03m L
13:57
4.37m H
19:11
1.29m L
Sat 5th02:05
4.33m H
07:28
1.23m L
14:36
4.21m H
19:47
1.53m L
Sun 6th02:42
4.12m H
08:04
1.47m L
15:22
4.03m H
20:27
1.80m L
Mon 7th03:24
3.88m H
08:48
1.73m L
16:30
3.86m H
21:24
2.07m L
Tue 8th04:25
3.66m H
10:00
1.97m L
17:42
3.78m H
23:26
2.16m L
Wed 9th05:58
3.56m H
11:48
1.98m L
18:47
3.81m H
Thu 10th00:37
2.02m L
07:09
3.63m H
12:49
1.83m L
19:50
3.96m H
Fri 11th01:23
1.80m L
08:12
3.83m H
13:36
1.59m L
20:45
4.17m H
Sat 12th02:03
1.51m L
09:02
4.08m H
14:18
1.31m L
21:28
4.38m H
Sun 13th02:42
1.20m L
09:42
4.31m H
15:00
1.02m L
22:05
4.55m H
Mon 14th03:23
0.90m L
10:19
4.50m H
15:42
0.78m L
22:42
4.69m H
Tue 15th04:05
0.66m L
10:59
4.65m H
16:24
0.62m L
23:21
4.79m H
Wed 16th04:48
0.52m L
11:42
4.75m H
17:07
0.56m L
Thu 17th00:03
4.84m H
05:30
0.49m L
12:27
4.79m H
17:51
0.62m L
Fri 18th00:48
4.83m H
06:14
0.55m L
13:15
4.76m H
18:36
0.77m L
Sat 19th01:33
4.74m H
07:00
0.70m L
14:05
4.66m H
19:24
0.99m L
Sun 20th02:22
4.58m H
07:49
0.91m L
15:00
4.52m H
20:17
1.23m L
Mon 21st03:15
4.38m H
08:46
1.14m L
16:14
4.36m H
21:21
1.47m L
Tue 22nd04:23
4.15m H
09:54
1.35m L
17:39
4.27m H
22:37
1.62m L
Wed 23rd05:59
4.03m H
11:10
1.47m L
18:48
4.26m H
23:54
1.63m 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.