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)

© National Oceanography Centre, Liverpool
Thu 26th
Apr 201801:33
1.47m L08:36
4.19m H13:57
1.24m L21:06
4.48m H
Apr 201801:33
1.47m L08:36
4.19m H13:57
1.24m L21:06
4.48m H
Fri 27th02:27
1.19m L09:22
4.38m H14:47
0.98m L21:48
4.63m H
1.19m L09:22
4.38m H14:47
0.98m L21:48
4.63m H
Sat 28th03:12
0.92m L10:03
4.51m H15:32
0.77m L22:27
4.70m H
0.92m L10:03
4.51m H15:32
0.77m L22:27
4.70m H
Sun 29th03:54
0.74m L10:42
4.59m H16:12
0.66m L23:04
4.72m H
0.74m L10:42
4.59m H16:12
0.66m L23:04
4.72m H
Mon 30th04:34
0.65m L11:21
4.61m H16:51
0.66m L23:42
4.70m H
0.65m L11:21
4.61m H16:51
0.66m L23:42
4.70m H
Tue 1st
May 201805:11
0.66m L12:00
4.60m H17:28
0.74m L
May 201805:11
0.66m L12:00
4.60m H17:28
0.74m L
Wed 2nd00:18
4.66m H05:47
0.74m L12:38
4.56m H18:03
0.89m L
4.66m H05:47
0.74m L12:38
4.56m H18:03
0.89m L
Thu 3rd00:54
4.59m H06:21
0.87m L13:17
4.48m H18:37
1.07m L
4.59m H06:21
0.87m L13:17
4.48m H18:37
1.07m L
Fri 4th01:30
4.49m H06:54
1.03m L13:57
4.37m H19:11
1.29m L
4.49m H06:54
1.03m L13:57
4.37m H19:11
1.29m L
Sat 5th02:05
4.33m H07:28
1.23m L14:36
4.21m H19:47
1.53m L
4.33m H07:28
1.23m L14:36
4.21m H19:47
1.53m L
Sun 6th02:42
4.12m H08:04
1.47m L15:22
4.03m H20:27
1.80m L
4.12m H08:04
1.47m L15:22
4.03m H20:27
1.80m L
Mon 7th03:24
3.88m H08:48
1.73m L16:30
3.86m H21:24
2.07m L
3.88m H08:48
1.73m L16:30
3.86m H21:24
2.07m L
Tue 8th04:25
3.66m H10:00
1.97m L17:42
3.78m H23:26
2.16m L
3.66m H10:00
1.97m L17:42
3.78m H23:26
2.16m L
Wed 9th05:58
3.56m H11:48
1.98m L18:47
3.81m H
3.56m H11:48
1.98m L18:47
3.81m H
Thu 10th00:37
2.02m L07:09
3.63m H12:49
1.83m L19:50
3.96m H
2.02m L07:09
3.63m H12:49
1.83m L19:50
3.96m H
Fri 11th01:23
1.80m L08:12
3.83m H13:36
1.59m L20:45
4.17m H
1.80m L08:12
3.83m H13:36
1.59m L20:45
4.17m H
Sat 12th02:03
1.51m L09:02
4.08m H14:18
1.31m L21:28
4.38m H
1.51m L09:02
4.08m H14:18
1.31m L21:28
4.38m H
Sun 13th02:42
1.20m L09:42
4.31m H15:00
1.02m L22:05
4.55m H
1.20m L09:42
4.31m H15:00
1.02m L22:05
4.55m H
Mon 14th03:23
0.90m L10:19
4.50m H15:42
0.78m L22:42
4.69m H
0.90m L10:19
4.50m H15:42
0.78m L22:42
4.69m H
Tue 15th04:05
0.66m L10:59
4.65m H16:24
0.62m L23:21
4.79m H
0.66m L10:59
4.65m H16:24
0.62m L23:21
4.79m H
Wed 16th04:48
0.52m L11:42
4.75m H17:07
0.56m L
0.52m L11:42
4.75m H17:07
0.56m L
Thu 17th00:03
4.84m H05:30
0.49m L12:27
4.79m H17:51
0.62m L
4.84m H05:30
0.49m L12:27
4.79m H17:51
0.62m L
Fri 18th00:48
4.83m H06:14
0.55m L13:15
4.76m H18:36
0.77m L
4.83m H06:14
0.55m L13:15
4.76m H18:36
0.77m L
Sat 19th01:33
4.74m H07:00
0.70m L14:05
4.66m H19:24
0.99m L
4.74m H07:00
0.70m L14:05
4.66m H19:24
0.99m L
Sun 20th02:22
4.58m H07:49
0.91m L15:00
4.52m H20:17
1.23m L
4.58m H07:49
0.91m L15:00
4.52m H20:17
1.23m L
Mon 21st03:15
4.38m H08:46
1.14m L16:14
4.36m H21:21
1.47m L
4.38m H08:46
1.14m L16:14
4.36m H21:21
1.47m L
Tue 22nd04:23
4.15m H09:54
1.35m L17:39
4.27m H22:37
1.62m L
4.15m H09:54
1.35m L17:39
4.27m H22:37
1.62m L
Wed 23rd05:59
4.03m H11:10
1.47m L18:48
4.26m H23:54
1.63m L
4.03m H11:10
1.47m L18:48
4.26m H23:54
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.