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 17th
Oct 2017
01:18
0.97m L
06:16
4.57m H
13:33
1.15m L
18:36
4.92m H
Wed 18th02:10
0.83m L
07:02
4.86m H
14:22
1.02m L
19:21
5.13m H
Thu 19th02:54
0.80m L
07:42
5.04m H
15:03
0.96m L
20:00
5.22m H
Fri 20th03:30
0.85m L
08:20
5.11m H
15:36
0.97m L
20:36
5.19m H
Sat 21st03:59
0.93m L
08:54
5.10m H
16:04
1.00m L
21:09
5.10m H
Sun 22nd04:24
1.02m L
09:27
5.02m H
16:32
1.07m L
21:41
4.94m H
Mon 23rd04:48
1.13m L
09:59
4.88m H
17:00
1.18m L
22:12
4.73m H
Tue 24th05:16
1.29m L
10:31
4.68m H
17:32
1.35m L
22:45
4.46m H
Wed 25th05:46
1.51m L
11:06
4.42m H
18:07
1.58m L
23:21
4.14m H
Thu 26th06:21
1.78m L
11:44
4.13m H
18:48
1.81m L
Fri 27th00:01
3.81m H
07:02
2.04m L
12:28
3.84m H
19:42
2.02m L
Sat 28th00:51
3.50m H
08:03
2.25m L
13:26
3.63m H
21:17
2.07m L
Sun 29th02:03
3.32m H
10:04
2.23m L
14:56
3.60m H
22:45
1.88m L
Mon 30th04:00
3.45m H
11:13
1.98m L
16:27
3.86m H
23:40
1.59m L
Tue 31st05:02
3.82m H
12:04
1.67m L
17:19
4.25m H
Wed 1st
Nov 2017
00:29
1.32m L
05:45
4.25m H
12:52
1.39m L
18:03
4.66m H
Thu 2nd01:18
1.10m L
06:27
4.67m H
13:42
1.16m L
18:47
5.03m H
Fri 3rd02:09
0.93m L
07:09
5.02m H
14:33
0.98m L
19:30
5.32m H
Sat 4th02:58
0.82m L
07:51
5.27m H
15:21
0.86m L
20:12
5.48m H
Sun 5th03:44
0.77m L
08:33
5.40m H
16:06
0.81m L
20:55
5.52m H
Mon 6th04:25
0.79m L
09:15
5.42m H
16:48
0.82m L
21:39
5.43m H
Tue 7th05:03
0.88m L
09:58
5.33m H
17:28
0.90m L
22:24
5.22m H
Wed 8th05:41
1.04m L
10:45
5.13m H
18:12
1.05m L
23:12
4.88m H
Thu 9th06:24
1.27m L
11:35
4.84m H
19:06
1.26m L
Fri 10th00:06
4.47m H
07:21
1.55m L
12:32
4.51m H
20:15
1.45m L
Sat 11th01:11
4.09m H
08:34
1.77m L
13:40
4.25m H
21:36
1.51m L
Sun 12th02:29
3.88m H
10:00
1.80m L
14:57
4.16m H
22:51
1.41m L
Mon 13th03:48
3.91m H
11:12
1.67m L
16:12
4.26m H
23:54
1.25m 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.