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
Sun 3rd
Dec 2023
06:10
1.90m L
11:42
4.28m H
19:08
1.87m L
Mon 4th00:11
3.78m H
06:51
2.11m L
12:31
4.05m H
20:09
1.99m L
Tue 5th01:08
3.55m H
07:48
2.25m L
13:30
3.86m H
21:24
2.00m L
Wed 6th02:22
3.45m H
09:15
2.28m L
14:42
3.80m H
22:30
1.91m L
Thu 7th03:39
3.52m H
10:36
2.16m L
15:51
3.86m H
23:21
1.77m L
Fri 8th04:39
3.72m H
11:32
1.96m L
16:48
4.03m H
Sat 9th00:08
1.61m L
05:24
3.98m H
12:21
1.74m L
17:33
4.24m H
Sun 10th00:51
1.45m L
06:03
4.27m H
13:07
1.53m L
18:16
4.47m H
Mon 11th01:34
1.31m L
06:43
4.56m H
13:53
1.34m L
18:58
4.69m H
Tue 12th02:18
1.20m L
07:24
4.81m H
14:39
1.20m L
19:41
4.86m H
Wed 13th03:00
1.13m L
08:05
4.99m H
15:24
1.12m L
20:24
4.95m H
Thu 14th03:42
1.13m L
08:48
5.09m H
16:08
1.09m L
21:08
4.95m H
Fri 15th04:24
1.17m L
09:32
5.11m H
16:52
1.11m L
21:54
4.87m H
Sat 16th05:04
1.25m L
10:18
5.06m H
17:39
1.14m L
22:41
4.72m H
Sun 17th05:48
1.35m L
11:07
4.95m H
18:30
1.20m L
23:32
4.51m H
Mon 18th06:40
1.47m L
12:00
4.80m H
19:26
1.27m L
Tue 19th00:28
4.28m H
07:39
1.58m L
12:57
4.64m H
20:25
1.34m L
Wed 20th01:30
4.08m H
08:43
1.66m L
14:00
4.50m H
21:28
1.39m L
Thu 21st02:36
3.98m H
09:51
1.68m L
15:05
4.42m H
22:32
1.40m L
Fri 22nd03:45
4.01m H
10:58
1.62m L
16:13
4.42m H
23:36
1.38m L
Sat 23rd04:51
4.16m H
12:04
1.51m L
17:19
4.50m H
Sun 24th00:36
1.33m L
05:51
4.37m H
13:06
1.37m L
18:17
4.61m H
Mon 25th01:30
1.28m L
06:43
4.59m H
14:02
1.26m L
19:08
4.69m H
Tue 26th02:17
1.25m L
07:30
4.77m H
14:51
1.20m L
19:53
4.73m H
Wed 27th02:57
1.25m L
08:12
4.88m H
15:34
1.18m L
20:34
4.72m H
Thu 28th03:33
1.27m L
08:52
4.92m H
16:13
1.21m L
21:12
4.67m H
Fri 29th04:07
1.31m L
09:30
4.90m H
16:50
1.27m L
21:49
4.58m H
Sat 30th04:42
1.38m L
10:06
4.83m H
17:26
1.35m L
22:25
4.45m 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.