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
Wed 16th
Aug 2017
05:54
2.64m L
12:19
7.76m H
18:35
2.85m L
Thu 17th01:03
7.78m H
07:18
2.77m L
13:43
7.74m H
20:06
2.76m L
Fri 18th02:32
7.91m H
08:45
2.54m L
15:09
8.13m H
21:29
2.31m L
Sat 19th03:48
8.38m H
09:58
2.03m L
16:17
8.74m H
22:34
1.73m L
Sun 20th04:49
8.93m H
10:57
1.50m L
17:12
9.30m H
23:27
1.25m L
Mon 21st05:41
9.37m H
11:45
1.10m L
18:00
9.69m H
Tue 22nd00:15
0.94m L
06:27
9.64m H
12:30
0.87m L
18:45
9.89m H
Wed 23rd00:57
0.81m L
07:10
9.73m H
13:11
0.82m L
19:27
9.90m H
Thu 24th01:36
0.87m L
07:50
9.66m H
13:48
0.94m L
20:06
9.74m H
Fri 25th02:12
1.09m L
08:27
9.42m H
14:21
1.21m L
20:42
9.42m H
Sat 26th02:42
1.44m L
09:02
9.05m H
14:52
1.60m L
21:16
8.97m H
Sun 27th03:11
1.87m L
09:35
8.58m H
15:23
2.07m L
21:49
8.45m H
Mon 28th03:41
2.35m L
10:09
8.07m H
15:57
2.59m L
22:26
7.89m H
Tue 29th04:18
2.87m L
10:51
7.54m H
16:45
3.14m L
23:13
7.35m H
Wed 30th05:13
3.39m L
11:51
7.09m H
18:00
3.59m L
Thu 31st00:23
6.93m H
06:42
3.71m L
13:14
6.91m H
19:34
3.65m L
Fri 1st
Sep 2017
01:51
6.88m H
08:15
3.58m L
14:40
7.18m H
20:52
3.30m L
Sat 2nd03:13
7.26m H
09:25
3.11m L
15:47
7.75m H
21:51
2.75m L
Sun 3rd04:12
7.85m H
10:17
2.54m L
16:36
8.36m H
22:38
2.20m L
Mon 4th04:57
8.40m H
10:59
2.04m L
17:16
8.87m H
23:18
1.74m L
Tue 5th05:35
8.85m H
11:36
1.64m L
17:53
9.25m H
23:54
1.39m L
Wed 6th06:11
9.20m H
12:10
1.33m L
18:28
9.54m H
Thu 7th00:30
1.12m L
06:46
9.45m H
12:45
1.12m L
19:04
9.73m H
Fri 8th01:06
0.96m L
07:21
9.60m H
13:21
1.01m L
19:41
9.80m H
Sat 9th01:43
0.92m L
07:59
9.61m H
13:58
1.06m L
20:20
9.71m H
Sun 10th02:21
1.06m L
08:37
9.45m H
14:35
1.29m L
20:59
9.44m H
Mon 11th02:58
1.37m L
09:17
9.11m H
15:12
1.67m L
21:41
9.00m H
Tue 12th03:37
1.83m L
10:00
8.64m H
15:56
2.16m L
22:29
8.45m H

Disclaimer

While every effort has been made to ensure the accuracy of the information provided, no responsibility can be accepted by the Natural Environment Research Council for any consequential loss or damage arising from its use.