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
Tue 16th
Jan 2018
02:28
1.20m L
07:52
4.71m H
14:51
1.18m L
20:07
4.57m H
Wed 17th03:03
1.11m L
08:28
4.83m H
15:29
1.09m L
20:42
4.65m H
Thu 18th03:40
1.05m L
09:03
4.90m H
16:06
1.04m L
21:15
4.67m H
Fri 19th04:17
1.04m L
09:36
4.91m H
16:42
1.04m L
21:48
4.66m H
Sat 20th04:53
1.07m L
10:08
4.88m H
17:18
1.07m L
22:21
4.60m H
Sun 21st05:28
1.15m L
10:42
4.81m H
17:54
1.13m L
22:57
4.51m H
Mon 22nd06:04
1.25m L
11:18
4.70m H
18:30
1.22m L
23:36
4.37m H
Tue 23rd06:43
1.40m L
11:58
4.55m H
19:13
1.35m L
Wed 24th00:19
4.19m H
07:30
1.57m L
12:45
4.36m H
20:06
1.49m L
Thu 25th01:11
4.00m H
08:31
1.72m L
13:41
4.17m H
21:13
1.60m L
Fri 26th02:13
3.86m H
09:51
1.76m L
14:50
4.06m H
22:34
1.56m L
Sat 27th03:30
3.88m H
11:13
1.61m L
16:12
4.12m H
23:47
1.39m L
Sun 28th04:51
4.11m H
12:21
1.35m L
17:28
4.37m H
Mon 29th00:50
1.17m L
06:00
4.48m H
13:26
1.08m L
18:31
4.70m H
Tue 30th01:51
0.96m L
06:57
4.86m H
14:30
0.83m L
19:26
4.98m H
Wed 31st02:51
0.79m L
07:50
5.18m H
15:29
0.62m L
20:15
5.17m H
Thu 1st
Feb 2018
03:45
0.66m L
08:38
5.39m H
16:21
0.49m L
21:02
5.25m H
Fri 2nd04:33
0.60m L
09:23
5.49m H
17:06
0.46m L
21:45
5.23m H
Sat 3rd05:14
0.62m L
10:06
5.46m H
17:47
0.54m L
22:27
5.10m H
Sun 4th05:51
0.72m L
10:48
5.32m H
18:25
0.72m L
23:09
4.88m H
Mon 5th06:28
0.92m L
11:29
5.05m H
19:03
0.98m L
23:51
4.57m H
Tue 6th07:06
1.20m L
12:12
4.68m H
19:43
1.30m L
Wed 7th00:37
4.21m H
07:48
1.54m L
12:59
4.26m H
20:33
1.64m L
Thu 8th01:29
3.85m H
08:45
1.85m L
13:53
3.86m H
21:45
1.87m L
Fri 9th02:32
3.58m H
10:13
2.01m L
15:02
3.58m H
23:04
1.91m L
Sat 10th03:52
3.51m H
11:30
1.93m L
16:29
3.53m H
Sun 11th00:03
1.79m L
05:11
3.69m H
12:27
1.74m L
17:39
3.72m H
Mon 12th00:49
1.61m L
06:07
3.98m H
13:12
1.52m L
18:29
3.98m 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.