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 19th
Nov 2018
05:19
3.89m H
12:16
1.69m L
17:33
4.28m H
Tue 20th00:39
1.35m L
05:57
4.25m H
13:01
1.44m L
18:13
4.60m H
Wed 21st01:24
1.16m L
06:35
4.60m H
13:47
1.23m L
18:53
4.89m H
Thu 22nd02:09
1.02m L
07:13
4.90m H
14:33
1.07m L
19:33
5.11m H
Fri 23rd02:54
0.93m L
07:53
5.12m H
15:19
0.98m L
20:14
5.25m H
Sat 24th03:36
0.90m L
08:33
5.25m H
16:02
0.94m L
20:55
5.28m H
Sun 25th04:17
0.93m L
09:15
5.27m H
16:44
0.96m L
21:38
5.20m H
Mon 26th04:54
1.02m L
09:57
5.20m H
17:24
1.03m L
22:23
5.02m H
Tue 27th05:32
1.15m L
10:44
5.05m H
18:09
1.14m L
23:12
4.74m H
Wed 28th06:18
1.34m L
11:34
4.82m H
19:05
1.28m L
Thu 29th00:07
4.42m H
07:16
1.54m L
12:32
4.56m H
20:12
1.40m L
Fri 30th01:12
4.12m H
08:27
1.70m L
13:39
4.36m H
21:26
1.42m L
Sat 1st
Dec 2018
02:26
3.97m H
09:45
1.72m L
14:52
4.29m H
22:37
1.34m L
Sun 2nd03:40
4.01m H
10:56
1.60m L
16:04
4.38m H
23:42
1.22m L
Mon 3rd04:48
4.22m H
12:00
1.44m L
17:10
4.56m H
Tue 4th00:41
1.10m L
05:45
4.49m H
12:58
1.27m L
18:06
4.76m H
Wed 5th01:35
1.02m L
06:35
4.74m H
13:51
1.15m L
18:55
4.90m H
Thu 6th02:21
0.99m L
07:19
4.92m H
14:36
1.09m L
19:39
4.96m H
Fri 7th02:59
1.02m L
08:00
5.02m H
15:15
1.07m L
20:18
4.95m H
Sat 8th03:31
1.07m L
08:38
5.05m H
15:48
1.10m L
20:54
4.87m H
Sun 9th04:00
1.13m L
09:13
5.01m H
16:21
1.15m L
21:28
4.75m H
Mon 10th04:30
1.22m L
09:48
4.91m H
16:54
1.24m L
22:03
4.59m H
Tue 11th05:02
1.35m L
10:24
4.75m H
17:28
1.36m L
22:38
4.38m H
Wed 12th05:35
1.52m L
11:00
4.55m H
18:04
1.51m L
23:15
4.14m H
Thu 13th06:11
1.72m L
11:39
4.32m H
18:45
1.67m L
23:57
3.89m H
Fri 14th06:52
1.92m L
12:21
4.10m H
19:33
1.80m L
Sat 15th00:44
3.66m H
07:45
2.07m L
13:12
3.90m H
20:36
1.87m L
Sun 16th01:42
3.51m H
09:00
2.14m L
14:15
3.80m H
21:54
1.84m 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.