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
Sun 28th
Feb 2021
03:58
0.79m L
08:58
5.30m H
16:33
0.69m L
21:19
5.16m H
Mon 1st
Mar 2021
04:39
0.71m L
09:37
5.42m H
17:11
0.66m L
21:58
5.18m H
Tue 2nd05:15
0.69m L
10:16
5.42m H
17:45
0.70m L
22:38
5.09m H
Wed 3rd05:48
0.74m L
10:57
5.30m H
18:18
0.83m L
23:19
4.89m H
Thu 4th06:22
0.89m L
11:39
5.03m H
18:55
1.06m L
Fri 5th00:03
4.58m H
07:06
1.15m L
12:27
4.62m H
19:42
1.39m L
Sat 6th00:54
4.21m H
08:04
1.47m L
13:22
4.14m H
20:49
1.72m L
Sun 7th01:58
3.86m H
09:27
1.72m L
14:38
3.74m H
22:27
1.86m L
Mon 8th03:27
3.71m H
11:09
1.68m L
16:21
3.65m H
23:52
1.72m L
Tue 9th05:00
3.89m H
12:29
1.43m L
17:40
3.89m H
Wed 10th00:59
1.47m L
06:05
4.26m H
13:35
1.15m L
18:36
4.23m H
Thu 11th01:56
1.22m L
06:57
4.64m H
14:30
0.93m L
19:22
4.53m H
Fri 12th02:44
1.03m L
07:42
4.93m H
15:14
0.81m L
20:02
4.75m H
Sat 13th03:24
0.91m L
08:21
5.10m H
15:51
0.78m L
20:38
4.87m H
Sun 14th03:57
0.86m L
08:57
5.16m H
16:21
0.81m L
21:11
4.90m H
Mon 15th04:25
0.86m L
09:30
5.12m H
16:45
0.86m L
21:42
4.86m H
Tue 16th04:51
0.90m L
10:00
5.02m H
17:07
0.93m L
22:12
4.75m H
Wed 17th05:15
0.99m L
10:30
4.84m H
17:30
1.05m L
22:41
4.59m H
Thu 18th05:42
1.14m L
11:00
4.60m H
17:57
1.23m L
23:12
4.36m H
Fri 19th06:12
1.37m L
11:31
4.29m H
18:27
1.48m L
23:44
4.08m H
Sat 20th06:46
1.64m L
12:06
3.94m H
19:03
1.78m L
Sun 21st00:22
3.79m H
07:29
1.93m L
12:49
3.59m H
19:48
2.07m L
Mon 22nd01:10
3.51m H
08:43
2.14m L
13:50
3.28m H
21:42
2.23m L
Tue 23rd02:24
3.33m H
10:56
2.02m L
15:45
3.22m H
23:20
2.01m L
Wed 24th04:25
3.47m H
11:57
1.70m L
17:20
3.57m H
Thu 25th00:15
1.69m L
05:36
3.89m H
12:50
1.37m L
18:08
4.03m H
Fri 26th01:06
1.36m L
06:24
4.37m H
13:43
1.08m L
18:51
4.48m H
Sat 27th01:58
1.08m L
07:09
4.81m H
14:38
0.85m L
19:33
4.87m H

Disclaimer

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