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
Tue 25th
Sep 2018
03:12
0.95m L
08:16
4.84m H
15:26
0.99m L
20:34
5.10m H
Wed 26th03:49
0.90m L
08:48
4.95m H
16:03
0.95m L
21:06
5.15m H
Thu 27th04:24
0.90m L
09:21
4.98m H
16:39
0.96m L
21:39
5.13m H
Fri 28th04:56
0.94m L
09:54
4.96m H
17:11
1.03m L
22:12
5.04m H
Sat 29th05:27
1.03m L
10:28
4.86m H
17:43
1.15m L
22:49
4.87m H
Sun 30th05:59
1.19m L
11:07
4.67m H
18:21
1.33m L
23:32
4.59m H
Mon 1st
Oct 2018
06:40
1.42m L
11:52
4.39m H
19:12
1.56m L
Tue 2nd00:22
4.23m H
07:37
1.69m L
12:48
4.09m H
20:25
1.74m L
Wed 3rd01:27
3.88m H
09:00
1.87m L
14:02
3.88m H
22:02
1.71m L
Thu 4th03:00
3.74m H
10:33
1.78m L
15:39
3.95m H
23:20
1.45m L
Fri 5th04:33
3.96m H
11:43
1.53m L
17:00
4.31m H
Sat 6th00:27
1.14m L
05:39
4.36m H
12:46
1.25m L
18:01
4.75m H
Sun 7th01:30
0.87m L
06:33
4.76m H
13:48
1.01m L
18:53
5.13m H
Mon 8th02:29
0.67m L
07:20
5.06m H
14:43
0.83m L
19:39
5.38m H
Tue 9th03:18
0.58m L
08:03
5.24m H
15:30
0.74m L
20:21
5.48m H
Wed 10th04:00
0.60m L
08:42
5.30m H
16:09
0.74m L
21:00
5.45m H
Thu 11th04:36
0.71m L
09:20
5.25m H
16:43
0.81m L
21:37
5.31m H
Fri 12th05:06
0.87m L
09:56
5.12m H
17:14
0.96m L
22:13
5.07m H
Sat 13th05:34
1.09m L
10:33
4.90m H
17:45
1.17m L
22:49
4.74m H
Sun 14th06:03
1.36m L
11:11
4.60m H
18:19
1.47m L
23:28
4.34m H
Mon 15th06:34
1.70m L
11:52
4.24m H
18:57
1.79m L
Tue 16th00:12
3.90m H
07:09
2.04m L
12:41
3.87m H
19:48
2.08m L
Wed 17th01:04
3.49m H
08:06
2.31m L
13:46
3.58m H
21:54
2.17m L
Thu 18th02:30
3.24m H
10:34
2.30m L
15:30
3.55m H
23:09
1.97m L
Fri 19th04:29
3.38m H
11:32
2.07m L
16:50
3.80m H
23:58
1.71m L
Sat 20th05:23
3.71m H
12:15
1.81m L
17:38
4.13m H
Sun 21st00:39
1.46m L
06:02
4.06m H
12:55
1.55m L
18:18
4.46m H
Mon 22nd01:19
1.25m L
06:37
4.39m H
13:36
1.32m L
18:53
4.76m 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.