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 9th
Dec 2022
03:16
1.25m L
08:39
4.88m H
15:46
1.26m L
20:58
4.71m H
Sat 10th03:47
1.29m L
09:13
4.84m H
16:20
1.32m L
21:32
4.59m H
Sun 11th04:20
1.36m L
09:47
4.76m H
16:54
1.41m L
22:06
4.43m H
Mon 12th04:54
1.49m L
10:21
4.62m H
17:31
1.53m L
22:42
4.24m H
Tue 13th05:31
1.64m L
10:58
4.46m H
18:11
1.66m L
23:21
4.03m H
Wed 14th06:11
1.81m L
11:38
4.28m H
18:57
1.77m L
Thu 15th00:05
3.83m H
06:57
1.96m L
12:23
4.11m H
19:51
1.86m L
Fri 16th00:55
3.66m H
07:55
2.07m L
13:15
3.98m H
20:54
1.88m L
Sat 17th01:57
3.57m H
09:05
2.09m L
14:17
3.94m H
22:04
1.81m L
Sun 18th03:07
3.64m H
10:21
2.00m L
15:24
4.01m H
23:09
1.67m L
Mon 19th04:15
3.86m H
11:27
1.81m L
16:30
4.21m H
Tue 20th00:06
1.49m L
05:12
4.17m H
12:26
1.58m L
17:30
4.48m H
Wed 21st01:00
1.31m L
06:04
4.52m H
13:21
1.35m L
18:24
4.76m H
Thu 22nd01:51
1.15m L
06:54
4.84m H
14:14
1.15m L
19:16
4.98m H
Fri 23rd02:41
1.05m L
07:43
5.09m H
15:06
1.01m L
20:06
5.12m H
Sat 24th03:30
1.00m L
08:31
5.25m H
15:59
0.92m L
20:54
5.15m H
Sun 25th04:18
1.01m L
09:19
5.32m H
16:50
0.89m L
21:43
5.08m H
Mon 26th05:05
1.06m L
10:08
5.31m H
17:39
0.90m L
22:32
4.93m H
Tue 27th05:51
1.15m L
10:57
5.21m H
18:30
0.97m L
23:22
4.70m H
Wed 28th06:40
1.28m L
11:48
5.04m H
19:21
1.09m L
Thu 29th00:15
4.43m H
07:33
1.44m L
12:42
4.80m H
20:16
1.25m L
Fri 30th01:11
4.16m H
08:31
1.61m L
13:39
4.55m H
21:15
1.42m L
Sat 31st02:12
3.95m H
09:36
1.74m L
14:40
4.33m H
22:18
1.53m L
Sun 1st
Jan 2023
03:17
3.86m H
10:44
1.78m L
15:46
4.20m H
23:21
1.57m L
Mon 2nd04:25
3.90m H
11:50
1.72m L
16:54
4.18m H
Tue 3rd00:19
1.55m L
05:28
4.07m H
12:48
1.61m L
17:54
4.26m H
Wed 4th01:08
1.50m L
06:21
4.29m H
13:38
1.50m L
18:45
4.37m H
Thu 5th01:48
1.44m L
07:08
4.49m H
14:21
1.40m L
19:29
4.47m H

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.