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 24th
May 2019
06:24
1.35m L
11:33
4.00m H
18:30
1.65m L
23:57
4.12m H
Sat 25th07:05
1.59m L
12:18
3.67m H
19:10
1.90m L
Sun 26th00:46
3.84m H
07:58
1.76m L
13:15
3.40m H
20:08
2.08m L
Mon 27th01:49
3.63m H
09:25
1.82m L
14:33
3.27m H
22:01
2.09m L
Tue 28th03:09
3.58m H
10:39
1.72m L
15:58
3.37m H
23:07
1.92m L
Wed 29th04:19
3.71m H
11:32
1.55m L
16:56
3.60m H
23:57
1.70m L
Thu 30th05:12
3.93m H
12:18
1.37m L
17:39
3.89m H
Fri 31st00:42
1.46m L
05:56
4.18m H
13:03
1.20m L
18:18
4.19m H
Sat 1st
Jun 2019
01:27
1.25m L
06:36
4.43m H
13:48
1.05m L
18:56
4.48m H
Sun 2nd02:13
1.07m L
07:15
4.66m H
14:32
0.94m L
19:35
4.72m H
Mon 3rd02:58
0.94m L
07:56
4.82m H
15:15
0.88m L
20:15
4.89m H
Tue 4th03:42
0.86m L
08:37
4.91m H
15:57
0.87m L
20:56
4.97m H
Wed 5th04:24
0.85m L
09:19
4.91m H
16:36
0.90m L
21:38
4.97m H
Thu 6th05:06
0.87m L
10:03
4.82m H
17:13
0.98m L
22:22
4.90m H
Fri 7th05:48
0.93m L
10:49
4.65m H
17:54
1.10m L
23:09
4.75m H
Sat 8th06:36
1.02m L
11:40
4.41m H
18:45
1.26m L
Sun 9th00:03
4.56m H
07:33
1.13m L
12:38
4.16m H
19:45
1.41m L
Mon 10th01:02
4.37m H
08:39
1.20m L
13:44
3.97m H
20:55
1.50m L
Tue 11th02:09
4.24m H
09:48
1.21m L
14:54
3.91m H
22:06
1.48m L
Wed 12th03:18
4.22m H
10:54
1.16m L
16:04
4.00m H
23:14
1.38m L
Thu 13th04:28
4.30m H
11:59
1.08m L
17:09
4.20m H
Fri 14th00:19
1.24m L
05:32
4.45m H
13:00
1.00m L
18:05
4.44m H
Sat 15th01:21
1.10m L
06:28
4.61m H
13:54
0.95m L
18:54
4.65m H
Sun 16th02:15
0.99m L
07:17
4.70m H
14:41
0.94m L
19:39
4.79m H
Mon 17th03:02
0.94m L
08:00
4.73m H
15:21
0.97m L
20:21
4.86m H
Tue 18th03:42
0.94m L
08:40
4.69m H
15:54
1.02m L
21:00
4.86m H
Wed 19th04:18
0.97m L
09:18
4.61m H
16:27
1.08m L
21:37
4.80m H
Thu 20th04:53
1.03m L
09:54
4.48m H
17:00
1.18m L
22:14
4.68m 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.