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
Sat 25th
Jan 2020
03:27
1.07m L
08:33
4.97m H
15:57
1.00m L
20:51
4.71m H
Sun 26th04:03
1.06m L
09:11
5.01m H
16:32
1.01m L
21:26
4.70m H
Mon 27th04:34
1.07m L
09:46
4.99m H
17:03
1.04m L
22:00
4.64m H
Tue 28th05:05
1.13m L
10:20
4.90m H
17:32
1.11m L
22:33
4.52m H
Wed 29th05:33
1.22m L
10:53
4.75m H
18:00
1.20m L
23:06
4.36m H
Thu 30th06:03
1.35m L
11:26
4.56m H
18:29
1.33m L
23:40
4.15m H
Fri 31st06:36
1.52m L
12:01
4.32m H
19:03
1.49m L
Sat 1st
Feb 2020
00:18
3.92m H
07:14
1.72m L
12:39
4.06m H
19:45
1.69m L
Sun 2nd01:00
3.68m H
08:02
1.93m L
13:25
3.81m H
20:42
1.87m L
Mon 3rd01:52
3.50m H
09:20
2.07m L
14:25
3.61m H
22:19
1.92m L
Tue 4th03:03
3.44m H
11:06
1.97m L
15:48
3.59m H
23:36
1.76m L
Wed 5th04:31
3.61m H
12:09
1.71m L
17:09
3.81m H
Thu 6th00:30
1.51m L
05:39
3.96m H
13:02
1.41m L
18:09
4.16m H
Fri 7th01:21
1.26m L
06:33
4.38m H
13:55
1.15m L
19:00
4.53m H
Sat 8th02:13
1.04m L
07:23
4.78m H
14:51
0.93m L
19:48
4.85m H
Sun 9th03:06
0.87m L
08:10
5.10m H
15:46
0.75m L
20:35
5.08m H
Mon 10th03:58
0.75m L
08:55
5.33m H
16:35
0.62m L
21:19
5.19m H
Tue 11th04:45
0.67m L
09:39
5.45m H
17:19
0.56m L
22:03
5.20m H
Wed 12th05:25
0.65m L
10:23
5.47m H
18:00
0.59m L
22:46
5.10m H
Thu 13th06:03
0.71m L
11:06
5.35m H
18:38
0.71m L
23:30
4.88m H
Fri 14th06:41
0.85m L
11:51
5.09m H
19:18
0.93m L
Sat 15th00:17
4.57m H
07:25
1.10m L
12:39
4.71m H
20:06
1.24m L
Sun 16th01:08
4.20m H
08:20
1.41m L
13:34
4.26m H
21:09
1.55m L
Mon 17th02:09
3.87m H
09:35
1.66m L
14:42
3.87m H
22:33
1.71m L
Tue 18th03:27
3.70m H
11:07
1.69m L
16:09
3.70m H
23:51
1.65m L
Wed 19th04:54
3.80m H
12:24
1.53m L
17:31
3.83m H
Thu 20th00:55
1.48m L
06:00
4.10m H
13:28
1.30m L
18:30
4.09m H
Fri 21st01:49
1.30m L
06:53
4.43m H
14:21
1.11m L
19:16
4.35m 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.