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
Mon 27th
Sep 2021
06:12
1.60m L
11:31
4.19m H
18:33
1.80m L
23:51
4.00m H
Tue 28th06:46
1.90m L
12:09
3.88m H
19:15
2.08m L
Wed 29th00:33
3.61m H
07:29
2.19m L
12:56
3.59m H
20:26
2.29m L
Thu 30th01:32
3.28m H
08:57
2.39m L
14:08
3.40m H
22:45
2.17m L
Fri 1st
Oct 2021
04:03
3.21m H
11:03
2.21m L
16:35
3.54m H
23:45
1.84m L
Sat 2nd05:19
3.57m H
11:57
1.89m L
17:30
3.95m H
Sun 3rd00:33
1.52m L
05:57
4.00m H
12:43
1.57m L
18:09
4.40m H
Mon 4th01:20
1.24m L
06:35
4.44m H
13:30
1.29m L
18:49
4.83m H
Tue 5th02:09
1.03m L
07:13
4.83m H
14:21
1.08m L
19:29
5.18m H
Wed 6th02:59
0.87m L
07:52
5.12m H
15:09
0.93m L
20:09
5.42m H
Thu 7th03:43
0.78m L
08:31
5.29m H
15:53
0.84m L
20:48
5.55m H
Fri 8th04:23
0.77m L
09:09
5.35m H
16:31
0.82m L
21:27
5.55m H
Sat 9th04:59
0.83m L
09:48
5.30m H
17:06
0.87m L
22:07
5.40m H
Sun 10th05:31
0.96m L
10:30
5.13m H
17:42
1.00m L
22:51
5.10m H
Mon 11th06:06
1.20m L
11:15
4.84m H
18:26
1.23m L
23:38
4.66m H
Tue 12th06:51
1.53m L
12:06
4.47m H
19:23
1.54m L
Wed 13th00:34
4.15m H
07:54
1.88m L
13:09
4.09m H
20:48
1.77m L
Thu 14th01:50
3.71m H
09:36
2.06m L
14:36
3.90m H
22:32
1.72m L
Fri 15th03:35
3.62m H
11:06
1.91m L
16:08
4.03m H
23:46
1.46m L
Sat 16th04:57
3.86m H
12:12
1.65m L
17:16
4.36m H
Sun 17th00:48
1.20m L
05:52
4.22m H
13:06
1.39m L
18:09
4.72m H
Mon 18th01:39
1.02m L
06:36
4.55m H
13:54
1.21m L
18:54
5.00m H
Tue 19th02:24
0.94m L
07:16
4.81m H
14:35
1.11m L
19:34
5.17m H
Wed 20th02:59
0.95m L
07:53
4.95m H
15:09
1.07m L
20:10
5.21m H
Thu 21st03:27
1.00m L
08:26
5.01m H
15:36
1.08m L
20:44
5.16m H
Fri 22nd03:51
1.05m L
08:57
4.99m H
16:03
1.11m L
21:14
5.04m H
Sat 23rd04:14
1.11m L
09:27
4.91m H
16:30
1.18m L
21:43
4.87m H
Sun 24th04:41
1.20m L
09:56
4.78m H
17:00
1.31m L
22:13
4.65m H

Disclaimer

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