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 16th
May 2021
05:32
1.26m L
10:38
4.23m H
17:40
1.40m L
22:52
4.33m H
Mon 17th06:10
1.43m L
11:18
4.00m H
18:18
1.62m L
23:33
4.13m H
Tue 18th06:56
1.61m L
12:04
3.76m H
19:06
1.82m L
Wed 19th00:24
3.93m H
07:59
1.72m L
13:03
3.56m H
20:17
1.94m L
Thu 20th01:27
3.80m H
09:20
1.69m L
14:19
3.50m H
21:42
1.88m L
Fri 21st02:45
3.84m H
10:31
1.50m L
15:42
3.69m H
22:51
1.66m L
Sat 22nd04:00
4.08m H
11:31
1.27m L
16:48
4.04m H
23:50
1.40m L
Sun 23rd05:04
4.42m H
12:30
1.06m L
17:43
4.42m H
Mon 24th00:48
1.16m L
06:01
4.77m H
13:30
0.89m L
18:33
4.77m H
Tue 25th01:49
0.95m L
06:53
5.05m H
14:27
0.77m L
19:21
5.02m H
Wed 26th02:46
0.78m L
07:42
5.21m H
15:17
0.71m L
20:07
5.18m H
Thu 27th03:36
0.68m L
08:30
5.25m H
16:02
0.72m L
20:53
5.23m H
Fri 28th04:22
0.65m L
09:15
5.17m H
16:43
0.81m L
21:38
5.19m H
Sat 29th05:06
0.70m L
10:01
4.97m H
17:24
0.96m L
22:24
5.04m H
Sun 30th05:51
0.83m L
10:49
4.67m H
18:06
1.18m L
23:13
4.80m H
Mon 31st06:42
1.04m L
11:39
4.31m H
18:57
1.44m L
Tue 1st
Jun 2021
00:06
4.51m H
07:42
1.28m L
12:36
3.95m H
20:00
1.70m L
Wed 2nd01:05
4.22m H
08:52
1.45m L
13:40
3.68m H
21:18
1.83m L
Thu 3rd02:09
4.02m H
10:03
1.50m L
14:51
3.57m H
22:30
1.82m L
Fri 4th03:18
3.95m H
11:04
1.48m L
16:00
3.63m H
23:28
1.73m L
Sat 5th04:23
4.01m H
11:57
1.42m L
17:00
3.82m H
Sun 6th00:18
1.61m L
05:20
4.15m H
12:40
1.36m L
17:49
4.04m H
Mon 7th01:00
1.48m L
06:09
4.29m H
13:18
1.29m L
18:33
4.25m H
Tue 8th01:39
1.36m L
06:51
4.40m H
13:51
1.23m L
19:11
4.41m H
Wed 9th02:15
1.24m L
07:30
4.47m H
14:24
1.16m L
19:47
4.53m H
Thu 10th02:51
1.15m L
08:05
4.51m H
15:00
1.11m L
20:21
4.61m H
Fri 11th03:27
1.09m L
08:39
4.51m H
15:36
1.09m L
20:54
4.65m H
Sat 12th04:05
1.09m L
09:13
4.48m H
16:12
1.13m L
21:27
4.63m 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.

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