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 29th
Nov 2020
02:08
1.18m L
07:27
4.67m H
14:28
1.24m L
19:43
4.77m H
Mon 30th02:41
1.12m L
08:00
4.79m H
15:04
1.16m L
20:16
4.80m H
Tue 1st
Dec 2020
03:16
1.09m L
08:32
4.85m H
15:41
1.14m L
20:49
4.78m H
Wed 2nd03:51
1.11m L
09:04
4.86m H
16:18
1.17m L
21:23
4.72m H
Thu 3rd04:27
1.19m L
09:38
4.82m H
16:55
1.26m L
21:59
4.60m H
Fri 4th05:01
1.31m L
10:15
4.73m H
17:33
1.37m L
22:38
4.44m H
Sat 5th05:38
1.47m L
10:55
4.59m H
18:15
1.49m L
23:22
4.24m H
Sun 6th06:22
1.64m L
11:42
4.42m H
19:09
1.59m L
Mon 7th00:15
4.02m H
07:20
1.79m L
12:37
4.27m H
20:15
1.63m L
Tue 8th01:18
3.86m H
08:32
1.85m L
13:43
4.18m H
21:27
1.56m L
Wed 9th02:31
3.85m H
09:45
1.77m L
14:55
4.24m H
22:33
1.41m L
Thu 10th03:45
4.01m H
10:52
1.59m L
16:06
4.43m H
23:36
1.23m L
Fri 11th04:52
4.30m H
11:55
1.38m L
17:12
4.69m H
Sat 12th00:39
1.07m L
05:50
4.62m H
12:58
1.18m L
18:11
4.94m H
Sun 13th01:38
0.95m L
06:42
4.91m H
14:00
1.01m L
19:04
5.12m H
Mon 14th02:33
0.87m L
07:31
5.13m H
14:55
0.88m L
19:53
5.20m H
Tue 15th03:21
0.86m L
08:17
5.25m H
15:46
0.83m L
20:39
5.18m H
Wed 16th04:06
0.91m L
09:02
5.28m H
16:32
0.85m L
21:23
5.06m H
Thu 17th04:47
1.02m L
09:45
5.22m H
17:16
0.94m L
22:06
4.86m H
Fri 18th05:27
1.17m L
10:30
5.07m H
18:00
1.10m L
22:50
4.59m H
Sat 19th06:09
1.38m L
11:15
4.84m H
18:47
1.30m L
23:36
4.29m H
Sun 20th06:54
1.62m L
12:02
4.56m H
19:38
1.52m L
Mon 21st00:25
3.98m H
07:47
1.87m L
12:54
4.28m H
20:36
1.70m L
Tue 22nd01:22
3.72m H
08:52
2.04m L
13:52
4.04m H
21:41
1.79m L
Wed 23rd02:27
3.57m H
10:05
2.10m L
14:57
3.91m H
22:42
1.79m L
Thu 24th03:38
3.57m H
11:06
2.02m L
16:04
3.90m H
23:34
1.71m L
Fri 25th04:43
3.71m H
11:57
1.87m L
17:05
4.00m H
Sat 26th00:18
1.59m L
05:36
3.93m H
12:41
1.69m L
17:55
4.16m 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.