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
Fri 18th
Aug 2017
04:39
4.05m H
11:59
1.35m L
17:14
4.21m H
Sat 19th00:39
1.19m L
05:51
4.33m H
13:03
1.16m L
18:18
4.59m H
Sun 20th01:47
0.93m L
06:48
4.65m H
14:06
0.97m L
19:12
4.94m H
Mon 21st02:48
0.72m L
07:39
4.90m H
15:04
0.82m L
20:00
5.20m H
Tue 22nd03:41
0.58m L
08:24
5.05m H
15:53
0.74m L
20:44
5.33m H
Wed 23rd04:26
0.55m L
09:05
5.09m H
16:33
0.73m L
21:24
5.34m H
Thu 24th05:04
0.61m L
09:43
5.04m H
17:09
0.80m L
22:01
5.25m H
Fri 25th05:38
0.75m L
10:21
4.91m H
17:40
0.93m L
22:38
5.06m H
Sat 26th06:09
0.95m L
10:57
4.71m H
18:11
1.13m L
23:15
4.78m H
Sun 27th06:39
1.21m L
11:36
4.42m H
18:42
1.40m L
23:53
4.42m H
Mon 28th07:09
1.51m L
12:18
4.09m H
19:13
1.70m L
Tue 29th00:35
4.02m H
07:42
1.81m L
13:05
3.75m H
19:54
1.98m L
Wed 30th01:24
3.63m H
08:36
2.06m L
14:06
3.48m H
21:39
2.15m L
Thu 31st02:35
3.35m H
10:38
2.10m L
15:37
3.42m H
23:12
2.01m L
Fri 1st
Sep 2017
04:20
3.35m H
11:40
1.93m L
17:03
3.64m H
Sat 2nd00:05
1.76m L
05:30
3.60m H
12:26
1.69m L
17:54
3.98m H
Sun 3rd00:51
1.50m L
06:15
3.93m H
13:08
1.45m L
18:36
4.34m H
Mon 4th01:35
1.26m L
06:54
4.27m H
13:51
1.23m L
19:13
4.67m H
Tue 5th02:21
1.07m L
07:30
4.57m H
14:37
1.06m L
19:51
4.94m H
Wed 6th03:06
0.93m L
08:07
4.81m H
15:22
0.94m L
20:27
5.13m H
Thu 7th03:50
0.85m L
08:44
4.97m H
16:05
0.88m L
21:04
5.24m H
Fri 8th04:30
0.81m L
09:21
5.05m H
16:43
0.87m L
21:40
5.27m H
Sat 9th05:06
0.82m L
09:57
5.04m H
17:18
0.91m L
22:17
5.22m H
Sun 10th05:38
0.88m L
10:35
4.95m H
17:51
1.00m L
22:57
5.06m H
Mon 11th06:12
1.00m L
11:16
4.76m H
18:30
1.16m L
23:40
4.78m H
Tue 12th06:54
1.21m L
12:02
4.47m H
19:21
1.38m L
Wed 13th00:30
4.41m H
07:48
1.48m L
12:57
4.15m H
20:29
1.60m L
Thu 14th01:33
4.03m H
09:03
1.69m L
14:08
3.91m H
22:00
1.65m 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.