High and low water times and heights at Barmouth

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 24th
May 2017
01:38
0.98m L
06:38
4.92m H
14:06
0.78m L
19:03
4.94m H
Thu 25th02:36
0.78m L
07:27
5.17m H
15:00
0.67m L
19:51
5.17m H
Fri 26th03:28
0.64m L
08:15
5.29m H
15:49
0.62m L
20:37
5.28m H
Sat 27th04:16
0.56m L
09:02
5.30m H
16:33
0.64m L
21:23
5.30m H
Sun 28th05:02
0.55m L
09:48
5.19m H
17:15
0.72m L
22:09
5.21m H
Mon 29th05:46
0.63m L
10:36
4.97m H
17:57
0.88m L
22:57
5.02m H
Tue 30th06:33
0.78m L
11:26
4.65m H
18:42
1.11m L
23:48
4.74m H
Wed 31st07:26
1.00m L
12:19
4.29m H
19:36
1.37m L
Thu 1st
Jun 2017
00:42
4.43m H
08:29
1.21m L
13:19
3.96m H
20:44
1.59m L
Fri 2nd01:45
4.15m H
09:39
1.34m L
14:27
3.76m H
22:00
1.68m L
Sat 3rd02:51
3.99m H
10:47
1.36m L
15:36
3.73m H
23:07
1.64m L
Sun 4th04:01
3.97m H
11:47
1.32m L
16:42
3.87m H
Mon 5th00:04
1.53m L
05:05
4.08m H
12:39
1.25m L
17:38
4.09m H
Tue 6th00:54
1.41m L
05:59
4.24m H
13:22
1.20m L
18:25
4.31m H
Wed 7th01:35
1.29m L
06:45
4.38m H
13:58
1.15m L
19:07
4.50m H
Thu 8th02:12
1.19m L
07:25
4.48m H
14:30
1.10m L
19:46
4.62m H
Fri 9th02:46
1.09m L
08:02
4.53m H
15:02
1.05m L
20:21
4.69m H
Sat 10th03:21
1.02m L
08:36
4.54m H
15:36
1.02m L
20:55
4.72m H
Sun 11th03:57
0.99m L
09:09
4.52m H
16:10
1.04m L
21:28
4.69m H
Mon 12th04:33
1.00m L
09:42
4.46m H
16:46
1.10m L
22:01
4.63m H
Tue 13th05:09
1.06m L
10:16
4.37m H
17:22
1.21m L
22:36
4.53m H
Wed 14th05:48
1.15m L
10:53
4.24m H
18:00
1.35m L
23:14
4.40m H
Thu 15th06:29
1.26m L
11:34
4.09m H
18:42
1.50m L
23:57
4.26m H
Fri 16th07:16
1.37m L
12:21
3.93m H
19:34
1.64m L
Sat 17th00:47
4.12m H
08:12
1.44m L
13:17
3.80m H
20:39
1.71m L
Sun 18th01:46
4.04m H
09:18
1.44m L
14:22
3.77m H
21:53
1.67m L
Mon 19th02:54
4.06m H
10:28
1.35m L
15:34
3.90m H
23:03
1.50m L
Tue 20th04:05
4.22m H
11:33
1.20m L
16:43
4.16m 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.