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
Sun 3rd
Dec 202303:09
2.84m L09:36
7.96m H15:38
3.06m L22:04
7.48m H
Dec 202303:09
2.84m L09:36
7.96m H15:38
3.06m L22:04
7.48m H
Mon 4th03:54
3.22m L10:23
7.57m H16:31
3.38m L22:57
7.12m H
3.22m L10:23
7.57m H16:31
3.38m L22:57
7.12m H
Tue 5th04:52
3.54m L11:24
7.28m H17:41
3.58m L
3.54m L11:24
7.28m H17:41
3.58m L
Wed 6th00:04
6.93m H06:07
3.69m L12:34
7.18m H18:57
3.56m L
6.93m H06:07
3.69m L12:34
7.18m H18:57
3.56m L
Thu 7th01:16
6.98m H07:24
3.58m L13:44
7.32m H20:05
3.32m L
6.98m H07:24
3.58m L13:44
7.32m H20:05
3.32m L
Fri 8th02:23
7.27m H08:29
3.26m L14:45
7.64m H21:01
2.97m L
7.27m H08:29
3.26m L14:45
7.64m H21:01
2.97m L
Sat 9th03:19
7.71m H09:22
2.85m L15:37
8.03m H21:50
2.59m L
7.71m H09:22
2.85m L15:37
8.03m H21:50
2.59m L
Sun 10th04:07
8.18m H10:09
2.45m L16:24
8.42m H22:33
2.24m L
8.18m H10:09
2.45m L16:24
8.42m H22:33
2.24m L
Mon 11th04:50
8.60m H10:51
2.10m L17:07
8.75m H23:14
1.96m L
8.60m H10:51
2.10m L17:07
8.75m H23:14
1.96m L
Tue 12th05:30
8.95m H11:32
1.83m L17:48
9.00m H23:53
1.76m L
8.95m H11:32
1.83m L17:48
9.00m H23:53
1.76m L
Wed 13th06:11
9.19m H12:12
1.64m L18:30
9.16m H
9.19m H12:12
1.64m L18:30
9.16m H
Thu 14th00:33
1.64m L06:51
9.34m H12:55
1.53m L19:12
9.21m H
1.64m L06:51
9.34m H12:55
1.53m L19:12
9.21m H
Fri 15th01:15
1.60m L07:33
9.38m H13:39
1.52m L19:57
9.15m H
1.60m L07:33
9.38m H13:39
1.52m L19:57
9.15m H
Sat 16th02:00
1.67m L08:19
9.30m H14:27
1.61m L20:44
8.97m H
1.67m L08:19
9.30m H14:27
1.61m L20:44
8.97m H
Sun 17th02:46
1.85m L09:07
9.10m H15:19
1.80m L21:33
8.69m H
1.85m L09:07
9.10m H15:19
1.80m L21:33
8.69m H
Mon 18th03:37
2.10m L10:00
8.84m H16:15
2.04m L22:28
8.36m H
2.10m L10:00
8.84m H16:15
2.04m L22:28
8.36m H
Tue 19th04:34
2.37m L10:59
8.56m H17:15
2.28m L23:29
8.07m H
2.37m L10:59
8.56m H17:15
2.28m L23:29
8.07m H
Wed 20th05:39
2.60m L12:03
8.34m H18:19
2.46m L
2.60m L12:03
8.34m H18:19
2.46m L
Thu 21st00:36
7.89m H06:48
2.72m L13:12
8.23m H19:27
2.53m L
7.89m H06:48
2.72m L13:12
8.23m H19:27
2.53m L
Fri 22nd01:46
7.89m H08:00
2.67m L14:19
8.26m H20:33
2.46m L
7.89m H08:00
2.67m L14:19
8.26m H20:33
2.46m L
Sat 23rd02:52
8.06m H09:06
2.50m L15:22
8.39m H21:33
2.31m L
8.06m H09:06
2.50m L15:22
8.39m H21:33
2.31m L
Sun 24th03:51
8.32m H10:03
2.28m L16:18
8.57m H22:26
2.13m L
8.32m H10:03
2.28m L16:18
8.57m H22:26
2.13m L
Mon 25th04:43
8.59m H10:54
2.08m L17:09
8.73m H23:13
1.96m L
8.59m H10:54
2.08m L17:09
8.73m H23:13
1.96m L
Tue 26th05:29
8.83m H11:39
1.93m L17:54
8.84m H23:55
1.85m L
8.83m H11:39
1.93m L17:54
8.84m H23:55
1.85m L
Wed 27th06:12
8.99m H12:20
1.86m L18:36
8.88m H
8.99m H12:20
1.86m L18:36
8.88m H
Thu 28th00:35
1.80m L06:52
9.05m H12:59
1.86m L19:16
8.85m H
1.80m L06:52
9.05m H12:59
1.86m L19:16
8.85m H
Fri 29th01:12
1.84m L07:30
9.00m H13:34
1.94m L19:53
8.72m H
1.84m L07:30
9.00m H13:34
1.94m L19:53
8.72m H
Sat 30th01:46
1.94m L08:06
8.87m H14:09
2.07m L20:29
8.53m H
1.94m L08:06
8.87m H14:09
2.07m L20:29
8.53m 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.