High and low water times and heights at Mumbles
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
Wed 29th
Jun 202200:00
2.01m L06:19
8.56m H12:15
1.90m L18:33
8.75m H
Jun 202200:00
2.01m L06:19
8.56m H12:15
1.90m L18:33
8.75m H
Thu 30th00:36
1.94m L06:56
8.61m H12:51
1.86m L19:09
8.79m H
1.94m L06:56
8.61m H12:51
1.86m L19:09
8.79m H
Fri 1st
Jul 202201:12
1.92m L07:31
8.58m H13:25
1.88m L19:43
8.76m H
Jul 202201:12
1.92m L07:31
8.58m H13:25
1.88m L19:43
8.76m H
Sat 2nd01:46
1.96m L08:06
8.51m H14:00
1.95m L20:18
8.67m H
1.96m L08:06
8.51m H14:00
1.95m L20:18
8.67m H
Sun 3rd02:21
2.04m L08:41
8.38m H14:34
2.06m L20:53
8.53m H
2.04m L08:41
8.38m H14:34
2.06m L20:53
8.53m H
Mon 4th02:57
2.16m L09:17
8.20m H15:10
2.23m L21:30
8.35m H
2.16m L09:17
8.20m H15:10
2.23m L21:30
8.35m H
Tue 5th03:34
2.32m L09:56
7.99m H15:49
2.44m L22:12
8.15m H
2.32m L09:56
7.99m H15:49
2.44m L22:12
8.15m H
Wed 6th04:17
2.49m L10:39
7.78m H16:36
2.64m L23:00
7.96m H
2.49m L10:39
7.78m H16:36
2.64m L23:00
7.96m H
Thu 7th05:07
2.65m L11:32
7.62m H17:33
2.79m L23:57
7.83m H
2.65m L11:32
7.62m H17:33
2.79m L23:57
7.83m H
Fri 8th06:08
2.73m L12:34
7.57m H18:40
2.82m L
2.73m L12:34
7.57m H18:40
2.82m L
Sat 9th01:02
7.83m H07:16
2.68m L13:43
7.70m H19:51
2.67m L
7.83m H07:16
2.68m L13:43
7.70m H19:51
2.67m L
Sun 10th02:12
7.98m H08:27
2.49m L14:54
8.03m H21:02
2.35m L
7.98m H08:27
2.49m L14:54
8.03m H21:02
2.35m L
Mon 11th03:24
8.29m H09:37
2.17m L16:00
8.49m H22:08
1.93m L
8.29m H09:37
2.17m L16:00
8.49m H22:08
1.93m L
Tue 12th04:29
8.68m H10:40
1.79m L17:00
8.96m H23:09
1.52m L
8.68m H10:40
1.79m L17:00
8.96m H23:09
1.52m L
Wed 13th05:28
9.05m H11:38
1.45m L17:54
9.37m H
9.05m H11:38
1.45m L17:54
9.37m H
Thu 14th00:05
1.17m L06:22
9.33m H12:31
1.20m L18:45
9.66m H
1.17m L06:22
9.33m H12:31
1.20m L18:45
9.66m H
Fri 15th00:58
0.95m L07:13
9.47m H13:21
1.08m L19:36
9.78m H
0.95m L07:13
9.47m H13:21
1.08m L19:36
9.78m H
Sat 16th01:50
0.89m L08:03
9.46m H14:10
1.10m L20:25
9.74m H
0.89m L08:03
9.46m H14:10
1.10m L20:25
9.74m H
Sun 17th02:39
0.99m L08:51
9.28m H14:56
1.29m L21:13
9.51m H
0.99m L08:51
9.28m H14:56
1.29m L21:13
9.51m H
Mon 18th03:24
1.26m L09:36
8.97m H15:39
1.61m L22:00
9.15m H
1.26m L09:36
8.97m H15:39
1.61m L22:00
9.15m H
Tue 19th04:07
1.65m L10:21
8.55m H16:20
2.01m L22:45
8.68m H
1.65m L10:21
8.55m H16:20
2.01m L22:45
8.68m H
Wed 20th04:48
2.09m L11:05
8.10m H17:04
2.45m L23:33
8.19m H
2.09m L11:05
8.10m H17:04
2.45m L23:33
8.19m H
Thu 21st05:35
2.53m L11:54
7.68m H17:58
2.87m L
2.53m L11:54
7.68m H17:58
2.87m L
Fri 22nd00:27
7.75m H06:32
2.90m L12:54
7.37m H19:06
3.15m L
7.75m H06:32
2.90m L12:54
7.37m H19:06
3.15m L
Sat 23rd01:31
7.45m H07:39
3.10m L14:04
7.27m H20:19
3.21m L
7.45m H07:39
3.10m L14:04
7.27m H20:19
3.21m L
Sun 24th02:42
7.40m H08:48
3.06m L15:15
7.44m H21:25
3.03m L
7.40m H08:48
3.06m L15:15
7.44m H21:25
3.03m L
Mon 25th03:46
7.59m H09:48
2.82m L16:13
7.79m H22:21
2.72m L
7.59m H09:48
2.82m L16:13
7.79m H22:21
2.72m L
Tue 26th04:40
7.90m H10:39
2.51m L17:01
8.17m H23:06
2.41m L
7.90m H10:39
2.51m L17:01
8.17m H23:06
2.41m 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.