High and low water times and heights at St. Mary's
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
Mon 29th
Apr 202401:45
1.44m L07:36
4.81m H14:02
1.65m L20:02
4.85m H
Apr 202401:45
1.44m L07:36
4.81m H14:02
1.65m L20:02
4.85m H
Tue 30th02:33
1.66m L08:27
4.53m H14:55
1.89m L21:00
4.61m H
1.66m L08:27
4.53m H14:55
1.89m L21:00
4.61m H
Wed 1st
May 202403:38
1.85m L09:38
4.30m H16:11
2.05m L22:20
4.47m H
May 202403:38
1.85m L09:38
4.30m H16:11
2.05m L22:20
4.47m H
Thu 2nd05:03
1.88m L11:09
4.26m H17:42
2.00m L23:48
4.57m H
1.88m L11:09
4.26m H17:42
2.00m L23:48
4.57m H
Fri 3rd06:27
1.69m L12:35
4.47m H19:01
1.73m L
1.69m L12:35
4.47m H19:01
1.73m L
Sat 4th01:03
4.86m H07:36
1.36m L13:41
4.82m H20:05
1.36m L
4.86m H07:36
1.36m L13:41
4.82m H20:05
1.36m L
Sun 5th02:03
5.22m H08:33
1.01m L14:34
5.19m H20:57
1.00m L
5.22m H08:33
1.01m L14:34
5.19m H20:57
1.00m L
Mon 6th02:55
5.53m H09:23
0.74m L15:21
5.49m H21:45
0.73m L
5.53m H09:23
0.74m L15:21
5.49m H21:45
0.73m L
Tue 7th03:42
5.75m H10:09
0.58m L16:06
5.70m H22:31
0.57m L
5.75m H10:09
0.58m L16:06
5.70m H22:31
0.57m L
Wed 8th04:27
5.84m H10:52
0.54m L16:48
5.79m H23:15
0.54m L
5.84m H10:52
0.54m L16:48
5.79m H23:15
0.54m L
Thu 9th05:11
5.80m H11:34
0.63m L17:30
5.76m H23:59
0.63m L
5.80m H11:34
0.63m L17:30
5.76m H23:59
0.63m L
Fri 10th05:53
5.63m H12:16
0.82m L18:11
5.62m H
5.63m H12:16
0.82m L18:11
5.62m H
Sat 11th00:42
0.84m L06:35
5.36m H12:57
1.10m L18:53
5.38m H
0.84m L06:35
5.36m H12:57
1.10m L18:53
5.38m H
Sun 12th01:26
1.14m L07:17
5.04m H13:39
1.42m L19:36
5.09m H
1.14m L07:17
5.04m H13:39
1.42m L19:36
5.09m H
Mon 13th02:11
1.47m L08:03
4.69m H14:23
1.75m L20:23
4.78m H
1.47m L08:03
4.69m H14:23
1.75m L20:23
4.78m H
Tue 14th03:01
1.78m L08:54
4.38m H15:15
2.03m L21:19
4.50m H
1.78m L08:54
4.38m H15:15
2.03m L21:19
4.50m H
Wed 15th04:01
2.02m L09:58
4.14m H16:21
2.22m L22:28
4.31m H
2.02m L09:58
4.14m H16:21
2.22m L22:28
4.31m H
Thu 16th05:14
2.13m L11:15
4.07m H17:38
2.25m L23:45
4.29m H
2.13m L11:15
4.07m H17:38
2.25m L23:45
4.29m H
Fri 17th06:27
2.07m L12:28
4.16m H18:49
2.13m L
2.07m L12:28
4.16m H18:49
2.13m L
Sat 18th00:52
4.40m H07:27
1.90m L13:27
4.37m H19:45
1.93m L
4.40m H07:27
1.90m L13:27
4.37m H19:45
1.93m L
Sun 19th01:46
4.59m H08:16
1.69m L14:14
4.60m H20:32
1.70m L
4.59m H08:16
1.69m L14:14
4.60m H20:32
1.70m L
Mon 20th02:30
4.78m H08:57
1.50m L14:53
4.83m H21:12
1.50m L
4.78m H08:57
1.50m L14:53
4.83m H21:12
1.50m L
Tue 21st03:09
4.95m H09:33
1.34m L15:29
5.03m H21:49
1.33m L
4.95m H09:33
1.34m L15:29
5.03m H21:49
1.33m L
Wed 22nd03:45
5.09m H10:09
1.23m L16:03
5.19m H22:25
1.21m L
5.09m H10:09
1.23m L16:03
5.19m H22:25
1.21m L
Thu 23rd04:19
5.18m H10:43
1.16m L16:37
5.30m H23:01
1.13m L
5.18m H10:43
1.16m L16:37
5.30m H23:01
1.13m L
Fri 24th04:54
5.23m H11:18
1.13m L17:12
5.36m H23:38
1.09m L
5.23m H11:18
1.13m L17:12
5.36m H23:38
1.09m L
Sat 25th05:30
5.22m H11:54
1.16m L17:49
5.36m H
5.22m H11:54
1.16m L17:49
5.36m H
Sun 26th00:16
1.11m L06:09
5.16m H12:33
1.23m L18:30
5.30m H
1.11m L06:09
5.16m H12:33
1.23m L18:30
5.30m 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.