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 27th
Sep 2020
04:53
3.64m H
12:14
1.71m L
17:17
4.08m H
Mon 28th00:51
1.35m L
05:52
3.95m H
13:09
1.48m L
18:10
4.44m H
Tue 29th01:42
1.15m L
06:37
4.29m H
13:54
1.31m L
18:54
4.76m H
Wed 30th02:24
1.03m L
07:16
4.57m H
14:33
1.19m L
19:34
4.98m H
Thu 1st
Oct 2020
03:00
0.99m L
07:52
4.76m H
15:05
1.12m L
20:10
5.08m H
Fri 2nd03:28
0.99m L
08:25
4.85m H
15:33
1.07m L
20:42
5.09m H
Sat 3rd03:53
0.99m L
08:56
4.87m H
16:00
1.05m L
21:12
5.03m H
Sun 4th04:17
1.01m L
09:24
4.84m H
16:28
1.07m L
21:40
4.92m H
Mon 5th04:43
1.06m L
09:51
4.75m H
16:58
1.15m L
22:08
4.76m H
Tue 6th05:12
1.17m L
10:20
4.62m H
17:30
1.31m L
22:37
4.55m H
Wed 7th05:44
1.36m L
10:51
4.43m H
18:05
1.52m L
23:10
4.29m H
Thu 8th06:18
1.61m L
11:26
4.20m H
18:45
1.78m L
23:50
3.97m H
Fri 9th06:58
1.90m L
12:09
3.93m H
19:38
2.01m L
Sat 10th00:40
3.64m H
07:58
2.14m L
13:07
3.69m H
21:15
2.09m L
Sun 11th01:52
3.40m H
09:51
2.17m L
14:31
3.60m H
22:48
1.85m L
Mon 12th03:45
3.49m H
11:10
1.90m L
16:13
3.86m H
23:48
1.50m L
Tue 13th05:06
3.92m H
12:06
1.56m L
17:21
4.34m H
Wed 14th00:43
1.18m L
05:57
4.41m H
12:59
1.26m L
18:14
4.83m H
Thu 15th01:41
0.92m L
06:45
4.86m H
13:56
1.02m L
19:02
5.25m H
Fri 16th02:37
0.73m L
07:29
5.19m H
14:51
0.84m L
19:47
5.53m H
Sat 17th03:27
0.62m L
08:12
5.39m H
15:40
0.72m L
20:30
5.66m H
Sun 18th04:12
0.60m L
08:54
5.46m H
16:23
0.68m L
21:12
5.65m H
Mon 19th04:51
0.67m L
09:35
5.42m H
17:01
0.73m L
21:54
5.48m H
Tue 20th05:26
0.84m L
10:17
5.25m H
17:39
0.87m L
22:38
5.16m H
Wed 21st06:01
1.10m L
11:01
4.96m H
18:21
1.13m L
23:24
4.70m H
Thu 22nd06:43
1.44m L
11:50
4.58m H
19:14
1.47m L
Fri 23rd00:16
4.18m H
07:39
1.83m L
12:47
4.17m H
20:30
1.76m L
Sat 24th01:21
3.70m H
09:13
2.09m L
14:01
3.88m H
22:12
1.80m L

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.

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