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 18th
Nov 2019
06:19
1.57m L
11:39
4.49m H
19:03
1.57m L
Tue 19th00:12
4.13m H
07:18
1.77m L
12:37
4.26m H
20:17
1.65m L
Wed 20th01:20
3.89m H
08:38
1.88m L
13:49
4.13m H
21:39
1.57m L
Thu 21st02:43
3.84m H
10:00
1.78m L
15:09
4.21m H
22:49
1.37m L
Fri 22nd04:02
4.05m H
11:08
1.57m L
16:23
4.46m H
23:52
1.15m L
Sat 23rd05:07
4.37m H
12:10
1.33m L
17:27
4.77m H
Sun 24th00:54
0.97m L
06:02
4.72m H
13:11
1.12m L
18:22
5.05m H
Mon 25th01:51
0.84m L
06:51
5.00m H
14:09
0.96m L
19:12
5.23m H
Tue 26th02:42
0.79m L
07:36
5.18m H
15:00
0.87m L
19:56
5.29m H
Wed 27th03:26
0.82m L
08:18
5.26m H
15:43
0.86m L
20:38
5.24m H
Thu 28th04:04
0.91m L
08:59
5.25m H
16:22
0.92m L
21:18
5.09m H
Fri 29th04:38
1.04m L
09:38
5.16m H
16:59
1.04m L
21:57
4.87m H
Sat 30th05:11
1.22m L
10:18
4.98m H
17:37
1.23m L
22:36
4.59m H
Sun 1st
Dec 2019
05:46
1.46m L
10:59
4.72m H
18:18
1.46m L
23:18
4.25m H
Mon 2nd06:24
1.74m L
11:43
4.42m H
19:04
1.70m L
Tue 3rd00:04
3.91m H
07:08
2.01m L
12:33
4.12m H
20:03
1.90m L
Wed 4th00:59
3.61m H
08:09
2.21m L
13:33
3.89m H
21:22
1.96m L
Thu 5th02:12
3.44m H
09:49
2.25m L
14:48
3.79m H
22:32
1.88m L
Fri 6th03:36
3.47m H
10:56
2.12m L
16:00
3.86m H
23:24
1.73m L
Sat 7th04:41
3.67m H
11:45
1.92m L
16:58
4.04m H
Sun 8th00:08
1.56m L
05:29
3.94m H
12:29
1.69m L
17:44
4.26m H
Mon 9th00:49
1.39m L
06:08
4.22m H
13:11
1.48m L
18:24
4.48m H
Tue 10th01:30
1.23m L
06:45
4.50m H
13:54
1.29m L
19:02
4.69m H
Wed 11th02:11
1.11m L
07:22
4.74m H
14:36
1.15m L
19:41
4.86m H
Thu 12th02:53
1.03m L
08:00
4.93m H
15:20
1.07m L
20:20
4.96m H
Fri 13th03:33
1.01m L
08:39
5.05m H
16:02
1.05m L
21:00
4.99m H
Sat 14th04:12
1.04m L
09:18
5.08m H
16:44
1.07m L
21:42
4.93m H
Sun 15th04:51
1.11m L
10:00
5.04m H
17:25
1.13m L
22:25
4.80m 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.