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)

© National Oceanography Centre, Liverpool
Wed 29th
Jun 202203:04
1.23m L08:18
4.40m H15:05
1.23m L20:35
4.59m H
Jun 202203:04
1.23m L08:18
4.40m H15:05
1.23m L20:35
4.59m H
Thu 30th03:41
1.19m L08:54
4.40m H15:42
1.21m L21:09
4.62m H
1.19m L08:54
4.40m H15:42
1.21m L21:09
4.62m H
Fri 1st
Jul 202204:18
1.18m L09:29
4.37m H16:19
1.23m L21:43
4.60m H
Jul 202204:18
1.18m L09:29
4.37m H16:19
1.23m L21:43
4.60m H
Sat 2nd04:55
1.21m L10:03
4.31m H16:57
1.28m L22:18
4.55m H
1.21m L10:03
4.31m H16:57
1.28m L22:18
4.55m H
Sun 3rd05:33
1.25m L10:39
4.23m H17:35
1.36m L22:54
4.47m H
1.25m L10:39
4.23m H17:35
1.36m L22:54
4.47m H
Mon 4th06:12
1.31m L11:17
4.12m H18:15
1.46m L23:32
4.38m H
1.31m L11:17
4.12m H18:15
1.46m L23:32
4.38m H
Tue 5th06:53
1.38m L11:58
3.99m H18:59
1.56m L
1.38m L11:58
3.99m H18:59
1.56m L
Wed 6th00:15
4.27m H07:39
1.46m L12:45
3.87m H19:49
1.67m L
4.27m H07:39
1.46m L12:45
3.87m H19:49
1.67m L
Thu 7th01:04
4.16m H08:32
1.53m L13:39
3.78m H20:48
1.74m L
4.16m H08:32
1.53m L13:39
3.78m H20:48
1.74m L
Fri 8th02:00
4.08m H09:35
1.56m L14:42
3.77m H21:58
1.74m L
4.08m H09:35
1.56m L14:42
3.77m H21:58
1.74m L
Sat 9th03:04
4.06m H10:47
1.52m L15:51
3.89m H23:13
1.61m L
4.06m H10:47
1.52m L15:51
3.89m H23:13
1.61m L
Sun 10th04:15
4.15m H11:55
1.39m L17:01
4.13m H
4.15m H11:55
1.39m L17:01
4.13m H
Mon 11th00:20
1.41m L05:27
4.35m H12:56
1.23m L18:04
4.44m H
1.41m L05:27
4.35m H12:56
1.23m L18:04
4.44m H
Tue 12th01:22
1.18m L06:30
4.58m H13:54
1.09m L19:00
4.75m H
1.18m L06:30
4.58m H13:54
1.09m L19:00
4.75m H
Wed 13th02:24
0.98m L07:27
4.79m H14:52
0.99m L19:54
5.01m H
0.98m L07:27
4.79m H14:52
0.99m L19:54
5.01m H
Thu 14th03:25
0.82m L08:20
4.92m H15:47
0.91m L20:44
5.18m H
0.82m L08:20
4.92m H15:47
0.91m L20:44
5.18m H
Fri 15th04:21
0.70m L09:09
4.96m H16:39
0.87m L21:33
5.27m H
0.70m L09:09
4.96m H16:39
0.87m L21:33
5.27m H
Sat 16th05:12
0.64m L09:56
4.92m H17:25
0.88m L22:20
5.27m H
0.64m L09:56
4.92m H17:25
0.88m L22:20
5.27m H
Sun 17th05:58
0.66m L10:42
4.79m H18:09
0.95m L23:06
5.16m H
0.66m L10:42
4.79m H18:09
0.95m L23:06
5.16m H
Mon 18th06:42
0.78m L11:28
4.59m H18:51
1.10m L23:52
4.94m H
0.78m L11:28
4.59m H18:51
1.10m L23:52
4.94m H
Tue 19th07:25
0.98m L12:15
4.33m H19:36
1.32m L
0.98m L12:15
4.33m H19:36
1.32m L
Wed 20th00:40
4.64m H08:11
1.24m L13:04
4.05m H20:25
1.58m L
4.64m H08:11
1.24m L13:04
4.05m H20:25
1.58m L
Thu 21st01:30
4.31m H09:03
1.51m L13:58
3.80m H21:27
1.80m L
4.31m H09:03
1.51m L13:58
3.80m H21:27
1.80m L
Fri 22nd02:27
3.99m H10:05
1.71m L15:00
3.64m H22:40
1.90m L
3.99m H10:05
1.71m L15:00
3.64m H22:40
1.90m L
Sat 23rd03:33
3.78m H11:12
1.78m L16:12
3.63m H23:48
1.85m L
3.78m H11:12
1.78m L16:12
3.63m H23:48
1.85m L
Sun 24th04:46
3.73m H12:07
1.75m L17:21
3.78m H
3.73m H12:07
1.75m L17:21
3.78m H
Mon 25th00:42
1.72m L05:50
3.84m H12:53
1.65m L18:17
4.01m H
1.72m L05:50
3.84m H12:53
1.65m L18:17
4.01m H
Tue 26th01:29
1.56m L06:41
4.01m H13:32
1.53m L19:03
4.26m H
1.56m L06:41
4.01m H13:32
1.53m L19:03
4.26m 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.