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
Mon 28th
May 2018
02:15
1.02m L
07:16
4.71m H
14:41
0.93m L
19:38
4.76m H
Tue 29th02:54
0.97m L
07:57
4.74m H
15:14
0.95m L
20:16
4.83m H
Wed 30th03:28
0.96m L
08:33
4.71m H
15:42
0.99m L
20:52
4.82m H
Thu 31st03:59
0.96m L
09:08
4.64m H
16:11
1.03m L
21:26
4.76m H
Fri 1st
Jun 2018
04:30
1.00m L
09:41
4.52m H
16:42
1.11m L
22:00
4.65m H
Sat 2nd05:03
1.08m L
10:15
4.36m H
17:14
1.24m L
22:34
4.50m H
Sun 3rd05:38
1.21m L
10:50
4.16m H
17:48
1.42m L
23:10
4.30m H
Mon 4th06:15
1.36m L
11:28
3.94m H
18:27
1.61m L
23:50
4.09m H
Tue 5th06:59
1.51m L
12:10
3.71m H
19:12
1.80m L
Wed 6th00:35
3.89m H
07:51
1.63m L
13:00
3.52m H
20:11
1.92m L
Thu 7th01:30
3.74m H
08:59
1.67m L
14:04
3.43m H
21:33
1.93m L
Fri 8th02:36
3.71m H
10:15
1.60m L
15:19
3.52m H
22:50
1.78m L
Sat 9th03:48
3.85m H
11:18
1.43m L
16:27
3.78m H
23:50
1.55m L
Sun 10th04:51
4.12m H
12:15
1.24m L
17:24
4.14m H
Mon 11th00:45
1.30m L
05:47
4.44m H
13:09
1.05m L
18:15
4.50m H
Tue 12th01:39
1.08m L
06:39
4.75m H
14:03
0.91m L
19:03
4.81m H
Wed 13th02:33
0.90m L
07:28
4.98m H
14:55
0.80m L
19:51
5.04m H
Thu 14th03:26
0.76m L
08:16
5.12m H
15:45
0.75m L
20:37
5.18m H
Fri 15th04:15
0.68m L
09:03
5.15m H
16:30
0.75m L
21:24
5.22m H
Sat 16th05:03
0.65m L
09:51
5.07m H
17:14
0.81m L
22:12
5.17m H
Sun 17th05:50
0.69m L
10:39
4.90m H
17:58
0.91m L
23:00
5.04m H
Mon 18th06:38
0.78m L
11:30
4.66m H
18:46
1.07m L
23:52
4.82m H
Tue 19th07:30
0.92m L
12:24
4.36m H
19:40
1.26m L
Wed 20th00:48
4.56m H
08:29
1.09m L
13:24
4.09m H
20:42
1.44m L
Thu 21st01:48
4.32m H
09:33
1.22m L
14:28
3.90m H
21:51
1.54m L
Fri 22nd02:52
4.14m H
10:39
1.28m L
15:36
3.85m H
23:00
1.53m L
Sat 23rd04:00
4.08m H
11:42
1.28m L
16:42
3.95m H
Sun 24th00:03
1.46m L
05:07
4.14m H
12:39
1.24m L
17:41
4.15m 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.