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 30th
Jul 2021
00:00
4.60m H
07:22
1.35m L
12:18
4.09m H
19:27
1.65m L
Sat 31st00:42
4.28m H
07:57
1.60m L
13:04
3.81m H
20:04
1.91m L
Sun 1st
Aug 2021
01:30
3.95m H
08:39
1.83m L
13:58
3.58m H
21:10
2.10m L
Mon 2nd02:28
3.67m H
09:57
1.98m L
15:06
3.45m H
22:48
2.11m L
Tue 3rd03:42
3.52m H
11:12
1.95m L
16:26
3.50m H
23:50
1.96m L
Wed 4th05:00
3.58m H
12:06
1.81m L
17:32
3.72m H
Thu 5th00:39
1.73m L
05:58
3.78m H
12:50
1.63m L
18:21
4.02m H
Fri 6th01:24
1.50m L
06:43
4.03m H
13:33
1.43m L
19:03
4.33m H
Sat 7th02:09
1.30m L
07:24
4.30m H
14:17
1.27m L
19:42
4.61m H
Sun 8th02:56
1.14m L
08:03
4.53m H
15:03
1.14m L
20:21
4.83m H
Mon 9th03:42
1.03m L
08:42
4.70m H
15:48
1.05m L
21:00
4.98m H
Tue 10th04:26
0.96m L
09:21
4.80m H
16:30
1.01m L
21:37
5.07m H
Wed 11th05:06
0.93m L
09:58
4.83m H
17:09
0.99m L
22:14
5.09m H
Thu 12th05:42
0.93m L
10:36
4.79m H
17:43
1.02m L
22:52
5.05m H
Fri 13th06:16
0.98m L
11:16
4.67m H
18:19
1.10m L
23:33
4.91m H
Sat 14th06:54
1.10m L
12:00
4.48m H
19:02
1.26m L
Sun 15th00:18
4.67m H
07:39
1.30m L
12:48
4.23m H
19:55
1.48m L
Mon 16th01:10
4.36m H
08:37
1.53m L
13:46
3.98m H
21:04
1.66m L
Tue 17th02:15
4.04m H
09:57
1.69m L
15:02
3.84m H
22:33
1.69m L
Wed 18th03:42
3.87m H
11:20
1.65m L
16:32
3.94m H
23:54
1.51m L
Thu 19th05:12
3.99m H
12:29
1.48m L
17:46
4.27m H
Fri 20th01:05
1.26m L
06:18
4.27m H
13:33
1.29m L
18:44
4.64m H
Sat 21st02:11
1.02m L
07:12
4.55m H
14:32
1.11m L
19:35
4.97m H
Sun 22nd03:09
0.83m L
07:59
4.77m H
15:24
0.98m L
20:20
5.19m H
Mon 23rd03:56
0.74m L
08:41
4.89m H
16:07
0.92m L
21:00
5.28m H
Tue 24th04:36
0.75m L
09:18
4.91m H
16:43
0.93m L
21:38
5.27m H
Wed 25th05:09
0.83m L
09:53
4.86m H
17:15
1.00m L
22:13
5.16m H
Thu 26th05:39
0.95m L
10:27
4.74m H
17:42
1.13m L
22:47
4.96m H

Disclaimer

While every effort has been made to ensure the accuracy of the information provided, no responsibility can be accepted by the National Oceanographiy Centre for any consequential loss or damage arising from its use.

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