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
Fri 22nd
Mar 2019
04:15
0.43m L
09:03
5.53m H
16:45
0.34m L
21:24
5.31m H
Sat 23rd04:54
0.42m L
09:44
5.50m H
17:21
0.44m L
22:03
5.23m H
Sun 24th05:28
0.51m L
10:23
5.32m H
17:54
0.64m L
22:42
5.02m H
Mon 25th06:00
0.71m L
11:03
5.01m H
18:25
0.94m L
23:23
4.71m H
Tue 26th06:36
1.01m L
11:44
4.57m H
19:00
1.31m L
Wed 27th00:06
4.31m H
07:17
1.40m L
12:29
4.07m H
19:43
1.72m L
Thu 28th00:56
3.89m H
08:12
1.78m L
13:23
3.59m H
21:00
2.06m L
Fri 29th02:00
3.54m H
10:05
1.96m L
14:42
3.26m H
22:54
2.07m L
Sat 30th03:33
3.43m H
11:30
1.82m L
16:30
3.30m H
23:57
1.89m L
Sun 31st05:00
3.64m H
12:26
1.59m L
17:35
3.59m H
Mon 1st
Apr 2019
00:45
1.65m L
05:54
3.97m H
13:10
1.36m L
18:20
3.93m H
Tue 2nd01:24
1.42m L
06:38
4.30m H
13:48
1.17m L
18:58
4.24m H
Wed 3rd02:00
1.21m L
07:16
4.57m H
14:24
1.01m L
19:33
4.49m H
Thu 4th02:37
1.03m L
07:51
4.77m H
15:00
0.89m L
20:06
4.67m H
Fri 5th03:13
0.89m L
08:24
4.88m H
15:34
0.82m L
20:37
4.79m H
Sat 6th03:48
0.80m L
08:54
4.94m H
16:07
0.79m L
21:08
4.85m H
Sun 7th04:23
0.78m L
09:25
4.94m H
16:39
0.81m L
21:39
4.85m H
Mon 8th04:55
0.82m L
09:57
4.89m H
17:09
0.88m L
22:10
4.79m H
Tue 9th05:26
0.92m L
10:30
4.76m H
17:39
1.01m L
22:45
4.65m H
Wed 10th05:59
1.08m L
11:09
4.55m H
18:12
1.22m L
23:25
4.43m H
Thu 11th06:39
1.29m L
11:54
4.24m H
18:57
1.48m L
Fri 12th00:14
4.14m H
07:35
1.52m L
12:48
3.90m H
20:02
1.73m L
Sat 13th01:15
3.87m H
09:00
1.64m L
14:04
3.63m H
21:39
1.81m L
Sun 14th02:39
3.75m H
10:35
1.49m L
15:43
3.68m H
23:03
1.61m L
Mon 15th04:12
3.95m H
11:46
1.21m L
17:03
4.01m H
Tue 16th00:09
1.32m L
05:24
4.34m H
12:53
0.93m L
18:02
4.43m H
Wed 17th01:14
1.04m L
06:23
4.76m H
13:57
0.68m L
18:53
4.80m H
Thu 18th02:15
0.79m L
07:13
5.10m H
14:51
0.51m L
19:39
5.06m 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.