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)

Prediction chart   UK & Ireland
© National Oceanography Centre, Liverpool
Fri 31st
Mar 2023
01:22
6.57m H
07:59
3.83m L
14:26
6.57m H
20:33
3.73m L
Sat 1st
Apr 2023
03:04
6.97m H
09:21
3.31m L
15:45
7.16m H
21:42
3.12m L
Sun 2nd04:06
7.63m H
10:15
2.68m L
16:33
7.82m H
22:29
2.49m L
Mon 3rd04:48
8.23m H
10:54
2.14m L
17:10
8.37m H
23:06
1.97m L
Tue 4th05:23
8.69m H
11:27
1.73m L
17:43
8.78m H
23:39
1.58m L
Wed 5th05:55
9.02m H
11:59
1.44m L
18:14
9.08m H
Thu 6th00:10
1.30m L
06:27
9.26m H
12:29
1.24m L
18:45
9.28m H
Fri 7th00:42
1.13m L
06:57
9.40m H
13:00
1.14m L
19:16
9.39m H
Sat 8th01:13
1.07m L
07:30
9.44m H
13:30
1.16m L
19:48
9.37m H
Sun 9th01:44
1.15m L
08:03
9.33m H
13:59
1.32m L
20:20
9.18m H
Mon 10th02:15
1.38m L
08:36
9.05m H
14:30
1.63m L
20:54
8.85m H
Tue 11th02:48
1.75m L
09:14
8.62m H
15:03
2.07m L
21:33
8.38m H
Wed 12th03:29
2.24m L
09:58
8.06m H
15:48
2.62m L
22:24
7.83m H
Thu 13th04:29
2.79m L
11:00
7.47m H
17:00
3.19m L
23:40
7.37m H
Fri 14th06:08
3.14m L
12:30
7.10m H
18:54
3.39m L
Sat 15th01:24
7.35m H
07:51
2.93m L
14:16
7.36m H
20:36
2.93m L
Sun 16th02:55
7.93m H
09:13
2.29m L
15:33
8.07m H
21:46
2.18m L
Mon 17th03:59
8.69m H
10:13
1.59m L
16:30
8.77m H
22:39
1.51m L
Tue 18th04:50
9.30m H
11:01
1.08m L
17:15
9.29m H
23:23
1.04m L
Wed 19th05:34
9.69m H
11:43
0.78m L
17:56
9.59m H
Thu 20th00:03
0.79m L
06:15
9.86m H
12:21
0.68m L
18:34
9.72m H
Fri 21st00:40
0.74m L
06:54
9.85m H
12:58
0.75m L
19:11
9.69m H
Sat 22nd01:15
0.87m L
07:32
9.66m H
13:31
0.99m L
19:45
9.49m H
Sun 23rd01:48
1.16m L
08:07
9.30m H
14:02
1.36m L
20:18
9.13m H
Mon 24th02:17
1.59m L
08:41
8.81m H
14:31
1.83m L
20:51
8.66m H
Tue 25th02:46
2.10m L
09:14
8.22m H
15:00
2.36m L
21:24
8.11m H
Wed 26th03:19
2.65m L
09:50
7.61m H
15:36
2.93m L
22:03
7.53m H
Thu 27th04:06
3.22m L
10:39
7.02m H
16:30
3.49m L
23:02
7.00m 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.