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
Sat 20th
Apr 2024
00:55
1.60m L
06:05
4.19m H
13:27
1.23m L
18:30
4.17m H
Sun 21st01:30
1.39m L
06:45
4.45m H
14:00
1.11m L
19:06
4.42m H
Mon 22nd02:04
1.20m L
07:21
4.63m H
14:32
1.03m L
19:39
4.60m H
Tue 23rd02:38
1.05m L
07:53
4.73m H
15:03
0.97m L
20:09
4.71m H
Wed 24th03:13
0.95m L
08:23
4.78m H
15:35
0.94m L
20:39
4.77m H
Thu 25th03:48
0.90m L
08:52
4.78m H
16:06
0.96m L
21:09
4.78m H
Fri 26th04:21
0.93m L
09:23
4.73m H
16:37
1.04m L
21:40
4.73m H
Sat 27th04:54
1.01m L
09:55
4.62m H
17:08
1.17m L
22:13
4.62m H
Sun 28th05:27
1.16m L
10:32
4.43m H
17:39
1.37m L
22:52
4.43m H
Mon 29th06:05
1.33m L
11:15
4.17m H
18:18
1.60m L
23:38
4.19m H
Tue 30th06:54
1.52m L
12:06
3.85m H
19:13
1.84m L
Wed 1st
May 2024
00:36
3.94m H
08:05
1.65m L
13:13
3.58m H
20:39
1.95m L
Thu 2nd01:53
3.80m H
09:36
1.58m L
14:45
3.53m H
22:12
1.82m L
Fri 3rd03:21
3.92m H
10:49
1.35m L
16:11
3.78m H
23:18
1.54m L
Sat 4th04:35
4.24m H
11:51
1.11m L
17:15
4.15m H
Sun 5th00:18
1.26m L
05:36
4.63m H
12:54
0.91m L
18:08
4.52m H
Mon 6th01:19
1.02m L
06:30
4.96m H
13:54
0.77m L
18:56
4.82m H
Tue 7th02:17
0.83m L
07:18
5.17m H
14:46
0.70m L
19:40
5.01m H
Wed 8th03:06
0.70m L
08:03
5.25m H
15:30
0.70m L
20:21
5.10m H
Thu 9th03:50
0.67m L
08:45
5.20m H
16:06
0.78m L
21:02
5.09m H
Fri 10th04:29
0.72m L
09:26
5.03m H
16:39
0.92m L
21:42
4.98m H
Sat 11th05:06
0.86m L
10:07
4.77m H
17:12
1.12m L
22:24
4.78m H
Sun 12th05:45
1.08m L
10:49
4.42m H
17:49
1.38m L
23:06
4.50m H
Mon 13th06:30
1.36m L
11:35
4.03m H
18:30
1.70m L
23:54
4.17m H
Tue 14th07:27
1.64m L
12:27
3.66m H
19:19
1.99m L
Wed 15th00:50
3.86m H
08:51
1.81m L
13:34
3.38m H
20:52
2.17m L
Thu 16th02:00
3.66m H
10:11
1.78m L
14:57
3.31m H
22:24
2.12m L
Fri 17th03:19
3.65m H
11:09
1.67m L
16:11
3.46m H
23:19
1.95m L

Disclaimer

While every effort has been made to ensure the accuracy of the information provided, no responsibility can be accepted by the National Oceanography Centre for any consequential loss or damage arising from its use.