High and low water times and heights at Avonmouth
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
Fri 27th
Apr 201805:07
12.33m H11:56
1.50m L17:38
12.63m H
Apr 201805:07
12.33m H11:56
1.50m L17:38
12.63m H
Sat 28th00:23
1.26m L06:00
12.90m H12:53
1.05m L18:26
13.08m H
1.26m L06:00
12.90m H12:53
1.05m L18:26
13.08m H
Sun 29th01:14
0.92m L06:45
13.18m H13:39
0.91m L19:06
13.29m H
0.92m L06:45
13.18m H13:39
0.91m L19:06
13.29m H
Mon 30th01:57
0.86m L07:24
13.29m H14:18
0.97m L19:43
13.39m H
0.86m L07:24
13.29m H14:18
0.97m L19:43
13.39m H
Tue 1st
May 201802:33
0.92m L08:00
13.30m H14:51
1.09m L20:18
13.36m H
May 201802:33
0.92m L08:00
13.30m H14:51
1.09m L20:18
13.36m H
Wed 2nd03:03
1.05m L08:34
13.16m H15:18
1.27m L20:51
13.11m H
1.05m L08:34
13.16m H15:18
1.27m L20:51
13.11m H
Thu 3rd03:30
1.25m L09:06
12.77m H15:42
1.54m L21:22
12.59m H
1.25m L09:06
12.77m H15:42
1.54m L21:22
12.59m H
Fri 4th03:53
1.58m L09:36
12.14m H16:03
1.91m L21:51
11.87m H
1.58m L09:36
12.14m H16:03
1.91m L21:51
11.87m H
Sat 5th04:16
2.00m L10:05
11.40m H16:25
2.34m L22:19
11.11m H
2.00m L10:05
11.40m H16:25
2.34m L22:19
11.11m H
Sun 6th04:42
2.48m L10:35
10.66m H16:52
2.82m L22:51
10.40m H
2.48m L10:35
10.66m H16:52
2.82m L22:51
10.40m H
Mon 7th05:13
2.99m L11:12
10.00m H17:27
3.34m L23:35
9.78m H
2.99m L11:12
10.00m H17:27
3.34m L23:35
9.78m H
Tue 8th05:56
3.52m L12:05
9.48m H18:14
3.85m L
3.52m L12:05
9.48m H18:14
3.85m L
Wed 9th00:45
9.40m H06:56
3.93m L13:27
9.32m H19:26
4.17m L
9.40m H06:56
3.93m L13:27
9.32m H19:26
4.17m L
Thu 10th02:22
9.64m H08:34
3.85m L14:57
9.85m H21:16
3.80m L
9.64m H08:34
3.85m L14:57
9.85m H21:16
3.80m L
Fri 11th03:34
10.46m H10:01
3.08m L16:02
10.78m H22:30
2.95m L
10.46m H10:01
3.08m L16:02
10.78m H22:30
2.95m L
Sat 12th04:31
11.41m H11:03
2.33m L16:56
11.72m H23:32
2.25m L
11.41m H11:03
2.33m L16:56
11.72m H23:32
2.25m L
Sun 13th05:21
12.25m H12:05
1.78m L17:45
12.51m H
12.25m H12:05
1.78m L17:45
12.51m H
Mon 14th00:34
1.72m L06:09
12.88m H13:03
1.36m L18:30
13.09m H
1.72m L06:09
12.88m H13:03
1.36m L18:30
13.09m H
Tue 15th01:28
1.30m L06:54
13.32m H13:54
1.02m L19:15
13.49m H
1.30m L06:54
13.32m H13:54
1.02m L19:15
13.49m H
Wed 16th02:16
1.00m L07:38
13.59m H14:39
0.83m L19:57
13.70m H
1.00m L07:38
13.59m H14:39
0.83m L19:57
13.70m H
Thu 17th02:59
0.86m L08:21
13.65m H15:20
0.84m L20:39
13.68m H
0.86m L08:21
13.65m H15:20
0.84m L20:39
13.68m H
Fri 18th03:38
0.93m L09:06
13.47m H15:57
1.07m L21:23
13.38m H
0.93m L09:06
13.47m H15:57
1.07m L21:23
13.38m H
Sat 19th04:14
1.21m L09:51
13.00m H16:30
1.46m L22:08
12.83m H
1.21m L09:51
13.00m H16:30
1.46m L22:08
12.83m H
Sun 20th04:49
1.61m L10:39
12.33m H17:06
1.92m L22:57
12.16m H
1.61m L10:39
12.33m H17:06
1.92m L22:57
12.16m H
Mon 21st05:29
2.06m L11:31
11.63m H17:50
2.39m L23:54
11.54m H
2.06m L11:31
11.63m H17:50
2.39m L23:54
11.54m H
Tue 22nd06:19
2.48m L12:31
11.11m H18:47
2.77m L
2.48m L12:31
11.11m H18:47
2.77m L
Wed 23rd00:59
11.16m H07:26
2.73m L13:41
10.91m H20:03
2.86m L
11.16m H07:26
2.73m L13:41
10.91m H20:03
2.86m L
Thu 24th02:12
11.15m H08:45
2.60m L14:57
11.13m H21:20
2.56m L
11.15m H08:45
2.60m L14:57
11.13m H21:20
2.56m L
Disclaimer
While every effort has been made to ensure the accuracy of the information provided, no responsibility can be accepted by the Natural Environment Research Council for any consequential loss or damage arising from its use.