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
Sat 23rd
Jan 202107:00
3.88m H12:48
2.09m L19:35
3.67m H
Jan 202107:00
3.88m H12:48
2.09m L19:35
3.67m H
Sun 24th01:08
2.09m L08:05
3.92m H13:47
1.97m L20:45
3.82m H
2.09m L08:05
3.92m H13:47
1.97m L20:45
3.82m H
Mon 25th02:04
1.99m L09:06
4.05m H14:33
1.78m L21:42
4.04m H
1.99m L09:06
4.05m H14:33
1.78m L21:42
4.04m H
Tue 26th02:49
1.81m L09:54
4.23m H15:12
1.55m L22:25
4.25m H
1.81m L09:54
4.23m H15:12
1.55m L22:25
4.25m H
Wed 27th03:30
1.59m L10:32
4.39m H15:51
1.29m L23:00
4.42m H
1.59m L10:32
4.39m H15:51
1.29m L23:00
4.42m H
Thu 28th04:10
1.35m L11:06
4.52m H16:31
1.05m L23:33
4.54m H
1.35m L11:06
4.52m H16:31
1.05m L23:33
4.54m H
Fri 29th04:51
1.14m L11:41
4.63m H17:12
0.85m L
1.14m L11:41
4.63m H17:12
0.85m L
Sat 30th00:09
4.64m H05:31
0.98m L12:18
4.71m H17:53
0.72m L
4.64m H05:31
0.98m L12:18
4.71m H17:53
0.72m L
Sun 31st00:48
4.69m H06:12
0.90m L12:59
4.74m H18:33
0.68m L
4.69m H06:12
0.90m L12:59
4.74m H18:33
0.68m L
Mon 1st
Feb 202101:30
4.72m H06:53
0.91m L13:41
4.71m H19:14
0.73m L
Feb 202101:30
4.72m H06:53
0.91m L13:41
4.71m H19:14
0.73m L
Tue 2nd02:15
4.70m H07:34
0.98m L14:24
4.63m H19:55
0.84m L
4.70m H07:34
0.98m L14:24
4.63m H19:55
0.84m L
Wed 3rd03:00
4.64m H08:18
1.12m L15:12
4.50m H20:41
1.01m L
4.64m H08:18
1.12m L15:12
4.50m H20:41
1.01m L
Thu 4th03:51
4.53m H09:08
1.31m L16:06
4.33m H21:34
1.25m L
4.53m H09:08
1.31m L16:06
4.33m H21:34
1.25m L
Fri 5th04:48
4.39m H10:10
1.51m L17:10
4.14m H22:42
1.50m L
4.39m H10:10
1.51m L17:10
4.14m H22:42
1.50m L
Sat 6th05:57
4.25m H11:28
1.66m L18:30
4.01m H
4.25m H11:28
1.66m L18:30
4.01m H
Sun 7th00:02
1.67m L07:15
4.17m H12:47
1.67m L19:57
4.03m H
1.67m L07:15
4.17m H12:47
1.67m L19:57
4.03m H
Mon 8th01:20
1.69m L08:29
4.22m H13:59
1.53m L21:07
4.19m H
1.69m L08:29
4.22m H13:59
1.53m L21:07
4.19m H
Tue 9th02:28
1.54m L09:27
4.36m H14:59
1.29m L22:00
4.39m H
1.54m L09:27
4.36m H14:59
1.29m L22:00
4.39m H
Wed 10th03:24
1.32m L10:15
4.50m H15:48
1.03m L22:45
4.54m H
1.32m L10:15
4.50m H15:48
1.03m L22:45
4.54m H
Thu 11th04:10
1.10m L10:57
4.59m H16:32
0.83m L23:27
4.62m H
1.10m L10:57
4.59m H16:32
0.83m L23:27
4.62m H
Fri 12th04:52
0.94m L11:36
4.63m H17:12
0.71m L
0.94m L11:36
4.63m H17:12
0.71m L
Sat 13th00:06
4.64m H05:31
0.87m L12:13
4.62m H17:50
0.68m L
4.64m H05:31
0.87m L12:13
4.62m H17:50
0.68m L
Sun 14th00:44
4.63m H06:09
0.88m L12:50
4.59m H18:27
0.73m L
4.63m H06:09
0.88m L12:50
4.59m H18:27
0.73m L
Mon 15th01:21
4.59m H06:44
0.95m L13:27
4.52m H19:01
0.85m L
4.59m H06:44
0.95m L13:27
4.52m H19:01
0.85m L
Tue 16th01:59
4.53m H07:19
1.08m L14:04
4.41m H19:35
1.03m L
4.53m H07:19
1.08m L14:04
4.41m H19:35
1.03m L
Wed 17th02:36
4.44m H07:52
1.26m L14:40
4.25m H20:08
1.25m L
4.44m H07:52
1.26m L14:40
4.25m H20:08
1.25m L
Thu 18th03:11
4.29m H08:27
1.47m L15:18
4.06m H20:42
1.52m L
4.29m H08:27
1.47m L15:18
4.06m H20:42
1.52m L
Fri 19th03:49
4.10m H09:03
1.72m L16:01
3.84m H21:21
1.83m L
4.10m H09:03
1.72m L16:01
3.84m H21:21
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.