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 19th
Nov 2017
03:22
1.07m L
08:30
5.02m H
15:33
1.11m L
20:45
4.92m H
Mon 20th03:48
1.11m L
09:03
4.99m H
16:03
1.13m L
21:17
4.82m H
Tue 21st04:17
1.16m L
09:36
4.90m H
16:36
1.19m L
21:48
4.67m H
Wed 22nd04:48
1.27m L
10:08
4.76m H
17:10
1.30m L
22:21
4.48m H
Thu 23rd05:22
1.44m L
10:42
4.58m H
17:47
1.46m L
22:57
4.26m H
Fri 24th05:58
1.65m L
11:18
4.36m H
18:27
1.64m L
23:36
4.00m H
Sat 25th06:40
1.87m L
12:00
4.14m H
19:17
1.80m L
Sun 26th00:23
3.76m H
07:33
2.06m L
12:51
3.94m H
20:22
1.88m L
Mon 27th01:21
3.58m H
08:51
2.13m L
13:55
3.85m H
21:43
1.82m L
Tue 28th02:36
3.57m H
10:18
2.01m L
15:11
3.93m H
22:52
1.63m L
Wed 29th03:56
3.79m H
11:22
1.77m L
16:22
4.20m H
23:49
1.39m L
Thu 30th04:59
4.16m H
12:17
1.49m L
17:21
4.56m H
Fri 1st
Dec 2017
00:43
1.17m L
05:52
4.57m H
13:12
1.24m L
18:15
4.92m H
Sat 2nd01:38
0.98m L
06:41
4.94m H
14:06
1.04m L
19:04
5.21m H
Sun 3rd02:31
0.85m L
07:28
5.22m H
15:00
0.88m L
19:51
5.40m H
Mon 4th03:21
0.79m L
08:14
5.39m H
15:50
0.79m L
20:39
5.46m H
Tue 5th04:08
0.79m L
09:00
5.46m H
16:37
0.76m L
21:25
5.39m H
Wed 6th04:51
0.85m L
09:46
5.42m H
17:24
0.80m L
22:12
5.22m H
Thu 7th05:33
0.97m L
10:33
5.29m H
18:10
0.91m L
23:01
4.95m H
Fri 8th06:18
1.16m L
11:24
5.06m H
19:02
1.07m L
23:54
4.60m H
Sat 9th07:10
1.38m L
12:17
4.77m H
20:01
1.26m L
Sun 10th00:51
4.26m H
08:12
1.61m L
13:17
4.48m H
21:08
1.40m L
Mon 11th01:56
3.99m H
09:24
1.75m L
14:22
4.26m H
22:17
1.45m L
Tue 12th03:06
3.88m H
10:36
1.75m L
15:31
4.17m H
23:21
1.42m L
Wed 13th04:15
3.96m H
11:39
1.66m L
16:39
4.23m H
Thu 14th00:18
1.35m L
05:17
4.16m H
12:35
1.54m L
17:39
4.38m H
Fri 15th01:06
1.28m L
06:09
4.40m H
13:21
1.42m L
18:28
4.53m H
Sat 16th01:47
1.23m L
06:53
4.62m H
14:01
1.32m L
19:12
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 Natural Environment Research Council for any consequential loss or damage arising from its use.