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
Thu 27th
Apr 2017
03:49
0.58m L
08:36
5.40m H
16:11
0.55m L
20:56
5.32m H
Fri 28th04:32
0.53m L
09:19
5.40m H
16:51
0.58m L
21:39
5.30m H
Sat 29th05:12
0.55m L
10:03
5.28m H
17:27
0.69m L
22:23
5.17m H
Sun 30th05:51
0.66m L
10:49
5.02m H
18:05
0.88m L
23:09
4.92m H
Mon 1st
May 2017
06:36
0.85m L
11:39
4.64m H
18:50
1.16m L
Tue 2nd00:00
4.58m H
07:31
1.12m L
12:35
4.21m H
19:48
1.47m L
Wed 3rd01:00
4.23m H
08:45
1.34m L
13:42
3.84m H
21:09
1.68m L
Thu 4th02:11
3.98m H
10:10
1.38m L
15:01
3.68m H
22:36
1.67m L
Fri 5th03:30
3.92m H
11:22
1.28m L
16:18
3.78m H
23:43
1.52m L
Sat 6th04:42
4.07m H
12:24
1.14m L
17:21
4.03m H
Sun 7th00:41
1.34m L
05:42
4.31m H
13:17
1.02m L
18:11
4.31m H
Mon 8th01:30
1.19m L
06:31
4.53m H
14:01
0.95m L
18:55
4.56m H
Tue 9th02:12
1.07m L
07:14
4.68m H
14:38
0.93m L
19:35
4.72m H
Wed 10th02:46
1.00m L
07:53
4.75m H
15:07
0.93m L
20:11
4.80m H
Thu 11th03:16
0.95m L
08:27
4.75m H
15:34
0.93m L
20:45
4.81m H
Fri 12th03:46
0.91m L
09:00
4.70m H
16:02
0.95m L
21:16
4.77m H
Sat 13th04:18
0.91m L
09:30
4.61m H
16:32
1.00m L
21:48
4.68m H
Sun 14th04:50
0.97m L
10:01
4.48m H
17:04
1.11m L
22:19
4.55m H
Mon 15th05:24
1.09m L
10:34
4.30m H
17:38
1.29m L
22:53
4.37m H
Tue 16th06:02
1.25m L
11:10
4.09m H
18:15
1.50m L
23:31
4.17m H
Wed 17th06:44
1.43m L
11:52
3.85m H
18:59
1.72m L
Thu 18th00:16
3.96m H
07:36
1.59m L
12:42
3.64m H
19:57
1.88m L
Fri 19th01:11
3.79m H
08:45
1.66m L
13:45
3.51m H
21:23
1.90m L
Sat 20th02:21
3.75m H
10:05
1.56m L
15:04
3.57m H
22:41
1.73m L
Sun 21st03:37
3.91m H
11:11
1.36m L
16:19
3.85m H
23:42
1.47m L
Mon 22nd04:45
4.22m H
12:09
1.13m L
17:20
4.24m H
Tue 23rd00:40
1.21m L
05:45
4.59m H
13:07
0.94m L
18:13
4.62m H
Wed 24th01:38
0.98m L
06:38
4.92m H
14:06
0.78m L
19:03
4.94m 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.