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
Sun 3rd
Dec 202302:53
4.25m H08:07
1.88m L14:52
4.07m H20:28
1.74m L
Dec 202302:53
4.25m H08:07
1.88m L14:52
4.07m H20:28
1.74m L
Mon 4th03:48
4.11m H08:59
2.07m L15:43
3.86m H21:22
1.94m L
4.11m H08:59
2.07m L15:43
3.86m H21:22
1.94m L
Tue 5th04:51
4.00m H10:05
2.22m L16:57
3.70m H22:31
2.07m L
4.00m H10:05
2.22m L16:57
3.70m H22:31
2.07m L
Wed 6th05:52
3.96m H11:26
2.25m L18:11
3.67m H23:46
2.09m L
3.96m H11:26
2.25m L18:11
3.67m H23:46
2.09m L
Thu 7th06:51
4.00m H12:35
2.15m L19:15
3.76m H
4.00m H12:35
2.15m L19:15
3.76m H
Fri 8th00:46
2.00m L07:48
4.11m H13:22
1.99m L20:12
3.92m H
2.00m L07:48
4.11m H13:22
1.99m L20:12
3.92m H
Sat 9th01:32
1.86m L08:39
4.26m H14:00
1.79m L21:00
4.11m H
1.86m L08:39
4.26m H14:00
1.79m L21:00
4.11m H
Sun 10th02:12
1.69m L09:22
4.40m H14:37
1.58m L21:43
4.29m H
1.69m L09:22
4.40m H14:37
1.58m L21:43
4.29m H
Mon 11th02:51
1.51m L10:00
4.52m H15:15
1.36m L22:21
4.44m H
1.51m L10:00
4.52m H15:15
1.36m L22:21
4.44m H
Tue 12th03:33
1.34m L10:36
4.63m H15:57
1.16m L23:00
4.57m H
1.34m L10:36
4.63m H15:57
1.16m L23:00
4.57m H
Wed 13th04:15
1.22m L11:14
4.71m H16:39
1.02m L23:42
4.65m H
1.22m L11:14
4.71m H16:39
1.02m L23:42
4.65m H
Thu 14th05:00
1.15m L11:54
4.75m H17:24
0.95m L
1.15m L11:54
4.75m H17:24
0.95m L
Fri 15th00:26
4.70m H05:46
1.15m L12:38
4.74m H18:10
0.95m L
4.70m H05:46
1.15m L12:38
4.74m H18:10
0.95m L
Sat 16th01:13
4.69m H06:33
1.22m L13:24
4.68m H18:58
1.03m L
4.69m H06:33
1.22m L13:24
4.68m H18:58
1.03m L
Sun 17th02:03
4.64m H07:22
1.33m L14:12
4.56m H19:48
1.14m L
4.64m H07:22
1.33m L14:12
4.56m H19:48
1.14m L
Mon 18th03:00
4.56m H08:15
1.46m L15:05
4.41m H20:41
1.28m L
4.56m H08:15
1.46m L15:05
4.41m H20:41
1.28m L
Tue 19th04:15
4.48m H09:13
1.60m L16:07
4.27m H21:42
1.42m L
4.48m H09:13
1.60m L16:07
4.27m H21:42
1.42m L
Wed 20th05:24
4.44m H10:20
1.70m L17:28
4.17m H22:49
1.53m L
4.44m H10:20
1.70m L17:28
4.17m H22:49
1.53m L
Thu 21st06:24
4.42m H11:32
1.73m L18:40
4.14m H23:59
1.57m L
4.42m H11:32
1.73m L18:40
4.14m H23:59
1.57m L
Fri 22nd07:23
4.44m H12:40
1.68m L19:45
4.18m H
4.44m H12:40
1.68m L19:45
4.18m H
Sat 23rd01:04
1.56m L08:19
4.49m H13:41
1.55m L20:43
4.26m H
1.56m L08:19
4.49m H13:41
1.55m L20:43
4.26m H
Sun 24th02:03
1.49m L09:09
4.55m H14:35
1.40m L21:34
4.37m H
1.49m L09:09
4.55m H14:35
1.40m L21:34
4.37m H
Mon 25th02:56
1.41m L09:56
4.60m H15:24
1.26m L22:21
4.46m H
1.41m L09:56
4.60m H15:24
1.26m L22:21
4.46m H
Tue 26th03:45
1.34m L10:38
4.63m H16:09
1.15m L23:06
4.52m H
1.34m L10:38
4.63m H16:09
1.15m L23:06
4.52m H
Wed 27th04:29
1.30m L11:18
4.63m H16:51
1.09m L23:48
4.55m H
1.30m L11:18
4.63m H16:51
1.09m L23:48
4.55m H
Thu 28th05:11
1.29m L11:57
4.60m H17:32
1.08m L
1.29m L11:57
4.60m H17:32
1.08m L
Fri 29th00:27
4.55m H05:51
1.32m L12:33
4.55m H18:10
1.11m L
4.55m H05:51
1.32m L12:33
4.55m H18:10
1.11m L
Sat 30th01:07
4.52m H06:29
1.38m L13:11
4.47m H18:48
1.18m L
4.52m H06:29
1.38m L13:11
4.47m H18:48
1.18m L
Disclaimer
While every effort has been made to ensure the accuracy of the information provided, no responsibility can be accepted by the National Oceanography Centre for any consequential loss or damage arising from its use.