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 20th
Jan 2019
02:09
0.98m L
07:14
4.91m H
14:45
0.91m L
19:40
5.02m H
Mon 21st03:03
0.84m L
08:03
5.20m H
15:41
0.74m L
20:30
5.20m H
Tue 22nd03:57
0.75m L
08:51
5.39m H
16:33
0.62m L
21:17
5.27m H
Wed 23rd04:45
0.70m L
09:38
5.49m H
17:21
0.57m L
22:03
5.23m H
Thu 24th05:29
0.71m L
10:24
5.47m H
18:05
0.60m L
22:48
5.09m H
Fri 25th06:10
0.79m L
11:10
5.33m H
18:48
0.73m L
23:35
4.85m H
Sat 26th06:52
0.96m L
11:57
5.08m H
19:32
0.95m L
Sun 27th00:24
4.53m H
07:38
1.21m L
12:46
4.72m H
20:21
1.24m L
Mon 28th01:16
4.18m H
08:33
1.49m L
13:41
4.33m H
21:24
1.50m L
Tue 29th02:16
3.89m H
09:44
1.71m L
14:44
3.99m H
22:38
1.64m L
Wed 30th03:27
3.74m H
11:04
1.76m L
16:01
3.82m H
23:48
1.62m L
Thu 31st04:45
3.81m H
12:15
1.65m L
17:18
3.88m H
Fri 1st
Feb 2019
00:46
1.51m L
05:51
4.04m H
13:13
1.48m L
18:17
4.07m H
Sat 2nd01:34
1.39m L
06:42
4.33m H
14:01
1.33m L
19:04
4.28m H
Sun 3rd02:15
1.27m L
07:27
4.59m H
14:42
1.20m L
19:45
4.46m H
Mon 4th02:50
1.17m L
08:06
4.77m H
15:18
1.10m L
20:22
4.59m H
Tue 5th03:23
1.08m L
08:42
4.88m H
15:51
1.04m L
20:57
4.65m H
Wed 6th03:56
1.03m L
09:16
4.92m H
16:22
1.00m L
21:28
4.66m H
Thu 7th04:29
1.01m L
09:48
4.90m H
16:53
0.99m L
21:59
4.63m H
Fri 8th05:00
1.03m L
10:18
4.84m H
17:24
1.03m L
22:30
4.55m H
Sat 9th05:33
1.10m L
10:48
4.74m H
17:56
1.10m L
23:01
4.43m H
Sun 10th06:06
1.23m L
11:21
4.59m H
18:30
1.23m L
23:36
4.27m H
Mon 11th06:43
1.41m L
11:57
4.40m H
19:09
1.41m L
Tue 12th00:16
4.07m H
07:26
1.62m L
12:41
4.17m H
19:57
1.62m L
Wed 13th01:04
3.86m H
08:24
1.82m L
13:34
3.93m H
21:07
1.78m L
Thu 14th02:05
3.69m H
09:57
1.89m L
14:45
3.77m H
22:42
1.75m L
Fri 15th03:26
3.68m H
11:24
1.69m L
16:15
3.85m H
23:53
1.52m L
Sat 16th04:54
3.94m H
12:27
1.38m L
17:34
4.17m 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.