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 20th
Jun 2024
01:33
1.37m L
06:41
4.24m H
13:56
1.26m L
19:06
4.42m H
Fri 21st02:18
1.21m L
07:24
4.42m H
14:39
1.16m L
19:48
4.63m H
Sat 22nd03:05
1.09m L
08:08
4.56m H
15:23
1.11m L
20:31
4.78m H
Sun 23rd03:51
1.03m L
08:51
4.63m H
16:06
1.10m L
21:15
4.86m H
Mon 24th04:36
1.00m L
09:36
4.64m H
16:49
1.13m L
21:59
4.88m H
Tue 25th05:22
0.99m L
10:21
4.59m H
17:32
1.17m L
22:45
4.85m H
Wed 26th06:08
1.00m L
11:08
4.48m H
18:17
1.23m L
23:33
4.77m H
Thu 27th06:55
1.03m L
11:58
4.32m H
19:06
1.31m L
Fri 28th00:24
4.65m H
07:46
1.09m L
12:53
4.15m H
20:01
1.40m L
Sat 29th01:20
4.51m H
08:41
1.18m L
13:51
4.00m H
21:01
1.48m L
Sun 30th02:20
4.36m H
09:41
1.28m L
14:55
3.92m H
22:07
1.52m L
Mon 1st
Jul 2024
03:25
4.25m H
10:45
1.34m L
16:03
3.95m H
23:18
1.48m L
Tue 2nd04:36
4.23m H
11:53
1.34m L
17:12
4.10m H
Wed 3rd00:29
1.37m L
05:44
4.30m H
12:56
1.30m L
18:13
4.31m H
Thu 4th01:33
1.24m L
06:42
4.41m H
13:53
1.25m L
19:06
4.53m H
Fri 5th02:32
1.12m L
07:33
4.50m H
14:42
1.22m L
19:54
4.69m H
Sat 6th03:23
1.05m L
08:18
4.55m H
15:27
1.20m L
20:37
4.80m H
Sun 7th04:09
1.03m L
09:00
4.55m H
16:07
1.21m L
21:18
4.83m H
Mon 8th04:49
1.05m L
09:39
4.51m H
16:44
1.24m L
21:56
4.79m H
Tue 9th05:26
1.11m L
10:16
4.42m H
17:18
1.30m L
22:33
4.71m H
Wed 10th06:00
1.20m L
10:53
4.30m H
17:51
1.40m L
23:09
4.57m H
Thu 11th06:32
1.32m L
11:30
4.13m H
18:21
1.52m L
23:45
4.39m H
Fri 12th07:02
1.45m L
12:09
3.94m H
18:54
1.67m L
Sat 13th00:24
4.18m H
07:34
1.59m L
12:51
3.74m H
19:32
1.82m L
Sun 14th01:06
3.96m H
08:15
1.74m L
13:39
3.56m H
20:21
1.97m L
Mon 15th01:54
3.75m H
09:17
1.87m L
14:37
3.46m H
21:42
2.06m L
Tue 16th02:54
3.60m H
10:48
1.89m L
15:48
3.49m H
23:16
1.96m L
Wed 17th04:09
3.60m H
11:51
1.76m L
16:57
3.69m 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.