High and low water times and heights at Harwich
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 30th
Sep 202305:27
0.67m L12:03
4.30m H17:59
0.20m L
Sep 202305:27
0.67m L12:03
4.30m H17:59
0.20m L
Sun 1st
Oct 202300:32
4.36m H06:06
0.60m L12:43
4.38m H18:36
0.23m L
Oct 202300:32
4.36m H06:06
0.60m L12:43
4.38m H18:36
0.23m L
Mon 2nd01:11
4.30m H06:45
0.60m L13:22
4.38m H19:15
0.35m L
4.30m H06:45
0.60m L13:22
4.38m H19:15
0.35m L
Tue 3rd01:49
4.17m H07:26
0.66m L14:00
4.28m H19:53
0.56m L
4.17m H07:26
0.66m L14:00
4.28m H19:53
0.56m L
Wed 4th02:25
4.01m H08:06
0.77m L14:39
4.11m H20:31
0.81m L
4.01m H08:06
0.77m L14:39
4.11m H20:31
0.81m L
Thu 5th03:02
3.82m H08:48
0.92m L15:20
3.87m H21:12
1.08m L
3.82m H08:48
0.92m L15:20
3.87m H21:12
1.08m L
Fri 6th03:41
3.61m H09:36
1.07m L16:07
3.59m H22:01
1.36m L
3.61m H09:36
1.07m L16:07
3.59m H22:01
1.36m L
Sat 7th04:27
3.38m H10:41
1.23m L17:09
3.30m H23:13
1.59m L
3.38m H10:41
1.23m L17:09
3.30m H23:13
1.59m L
Sun 8th05:30
3.16m H12:23
1.27m L18:48
3.17m H
3.16m H12:23
1.27m L18:48
3.17m H
Mon 9th01:02
1.64m L07:14
3.10m H13:53
1.14m L20:21
3.33m H
1.64m L07:14
3.10m H13:53
1.14m L20:21
3.33m H
Tue 10th02:21
1.50m L08:39
3.29m H14:54
0.95m L21:19
3.57m H
1.50m L08:39
3.29m H14:54
0.95m L21:19
3.57m H
Wed 11th03:14
1.31m L09:32
3.52m H15:41
0.80m L22:03
3.75m H
1.31m L09:32
3.52m H15:41
0.80m L22:03
3.75m H
Thu 12th03:54
1.16m L10:14
3.72m H16:18
0.70m L22:39
3.87m H
1.16m L10:14
3.72m H16:18
0.70m L22:39
3.87m H
Fri 13th04:27
1.04m L10:51
3.86m H16:49
0.65m L23:14
3.95m H
1.04m L10:51
3.86m H16:49
0.65m L23:14
3.95m H
Sat 14th04:55
0.94m L11:24
3.96m H17:17
0.61m L23:45
4.01m H
0.94m L11:24
3.96m H17:17
0.61m L23:45
4.01m H
Sun 15th05:23
0.86m L11:57
4.03m H17:45
0.58m L
0.86m L11:57
4.03m H17:45
0.58m L
Mon 16th00:17
4.05m H05:53
0.80m L12:29
4.06m H18:15
0.59m L
4.05m H05:53
0.80m L12:29
4.06m H18:15
0.59m L
Tue 17th00:49
4.06m H06:25
0.78m L13:01
4.05m H18:47
0.64m L
4.06m H06:25
0.78m L13:01
4.05m H18:47
0.64m L
Wed 18th01:21
4.02m H06:59
0.80m L13:34
4.01m H19:19
0.73m L
4.02m H06:59
0.80m L13:34
4.01m H19:19
0.73m L
Thu 19th01:55
3.93m H07:34
0.85m L14:10
3.93m H19:55
0.85m L
3.93m H07:34
0.85m L14:10
3.93m H19:55
0.85m L
Fri 20th02:31
3.81m H08:13
0.90m L14:51
3.83m H20:36
1.01m L
3.81m H08:13
0.90m L14:51
3.83m H20:36
1.01m L
Sat 21st03:12
3.65m H09:00
0.99m L15:42
3.67m H21:30
1.21m L
3.65m H09:00
0.99m L15:42
3.67m H21:30
1.21m L
Sun 22nd04:04
3.47m H10:05
1.09m L16:45
3.50m H22:45
1.39m L
3.47m H10:05
1.09m L16:45
3.50m H22:45
1.39m L
Mon 23rd05:12
3.31m H11:36
1.11m L18:08
3.44m H
3.31m H11:36
1.11m L18:08
3.44m H
Tue 24th00:20
1.42m L06:35
3.29m H13:10
0.96m L19:41
3.57m H
1.42m L06:35
3.29m H13:10
0.96m L19:41
3.57m H
Wed 25th01:42
1.29m L08:00
3.45m H14:26
0.74m L20:57
3.82m H
1.29m L08:00
3.45m H14:26
0.74m L20:57
3.82m H
Thu 26th02:46
1.12m L09:12
3.69m H15:25
0.55m L21:54
4.03m H
1.12m L09:12
3.69m H15:25
0.55m L21:54
4.03m H
Fri 27th03:36
0.96m L10:07
3.93m H16:12
0.42m L22:42
4.17m H
0.96m L10:07
3.93m H16:12
0.42m L22:42
4.17m H
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.