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 19th
Sep 2019
05:46
1.18m L
10:49
4.53m H
18:03
1.35m L
23:09
4.53m H
Fri 20th06:20
1.38m L
11:25
4.34m H
18:41
1.57m L
23:48
4.27m H
Sat 21st07:00
1.63m L
12:08
4.09m H
19:30
1.81m L
Sun 22nd00:36
3.95m H
07:56
1.89m L
13:02
3.84m H
20:48
1.97m L
Mon 23rd01:40
3.66m H
09:30
2.00m L
14:18
3.69m H
22:31
1.84m L
Tue 24th03:17
3.60m H
11:00
1.82m L
15:57
3.84m H
23:41
1.51m L
Wed 25th04:51
3.92m H
12:02
1.51m L
17:16
4.28m H
Thu 26th00:41
1.18m L
05:54
4.38m H
13:00
1.22m L
18:15
4.77m H
Fri 27th01:44
0.89m L
06:47
4.82m H
14:01
0.98m L
19:06
5.20m H
Sat 28th02:45
0.66m L
07:34
5.15m H
15:00
0.78m L
19:54
5.50m H
Sun 29th03:36
0.51m L
08:18
5.35m H
15:49
0.65m L
20:38
5.65m H
Mon 30th04:21
0.47m L
09:00
5.42m H
16:32
0.61m L
21:19
5.65m H
Tue 1st
Oct 2019
05:00
0.54m L
09:41
5.37m H
17:09
0.67m L
22:00
5.51m H
Wed 2nd05:36
0.72m L
10:21
5.20m H
17:44
0.82m L
22:41
5.22m H
Thu 3rd06:09
0.98m L
11:03
4.92m H
18:21
1.09m L
23:23
4.80m H
Fri 4th06:45
1.33m L
11:47
4.55m H
19:05
1.44m L
Sat 5th00:09
4.29m H
07:31
1.74m L
12:36
4.13m H
20:04
1.82m L
Sun 6th01:03
3.78m H
08:43
2.09m L
13:39
3.77m H
21:48
2.01m L
Mon 7th02:18
3.40m H
10:33
2.15m L
15:09
3.62m H
23:15
1.87m L
Tue 8th04:09
3.39m H
11:42
1.98m L
16:39
3.80m H
Wed 9th00:14
1.65m L
05:18
3.67m H
12:31
1.77m L
17:36
4.14m H
Thu 10th01:00
1.44m L
06:04
4.02m H
13:12
1.57m L
18:21
4.47m H
Fri 11th01:38
1.27m L
06:43
4.34m H
13:46
1.39m L
19:00
4.74m H
Sat 12th02:11
1.14m L
07:18
4.59m H
14:20
1.23m L
19:36
4.92m H
Sun 13th02:43
1.05m L
07:51
4.77m H
14:54
1.11m L
20:08
5.02m H
Mon 14th03:15
0.99m L
08:22
4.87m H
15:28
1.04m L
20:39
5.05m H
Tue 15th03:46
0.97m L
08:52
4.92m H
16:02
1.02m L
21:09
5.03m H
Wed 16th04:18
0.99m L
09:21
4.91m H
16:36
1.06m L
21:38
4.96m 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.