National Network of Regional Coastal Monitoring Programmes

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Note that these are real-time data and are not quality-controlled. Long-range graphs are plotted from a randomised subsample of half-hourly data.

Breaks in the data series are when the instrument is dry.

Penarth

Tide Levels and Harmonics

 

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Latest Tide Data (Predicted Tide Table)

Time (GMT)ElevationResidual
11-12-2025 09:409.280.33
 Next HWNext LW
11:26, 10.41 17:46, 3.41
Date Highest 2025 Date Lowest 2025
08-11 56.61m 28-04 2.59m
Time (GMT)ElevationResidual
02-11-2024 00:00--
01-11-2024 23:502.720.11
01-11-2024 23:402.970.1
01-11-2024 23:303.240.09
01-11-2024 23:203.520.07
01-11-2024 23:103.820.04
01-11-2024 23:004.120.01
01-11-2024 22:504.45-0.01
01-11-2024 22:404.79-0.03
01-11-2024 22:305.14-0.06
01-11-2024 22:205.5-0.09
01-11-2024 22:105.87-0.12
01-11-2024 22:006.24-0.14
01-11-2024 21:506.64-0.16
01-11-2024 21:407.04-0.18
01-11-2024 21:307.43-0.2
01-11-2024 21:207.85-0.21
01-11-2024 21:108.26-0.21
01-11-2024 21:008.65-0.24
01-11-2024 20:509.02-0.27
01-11-2024 20:409.41-0.28
01-11-2024 20:309.79-0.29
01-11-2024 20:2010.13-0.31
01-11-2024 20:1010.45-0.33
01-11-2024 20:0010.74-0.35
01-11-2024 19:5011.01-0.36
01-11-2024 19:4011.23-0.39
01-11-2024 19:3011.42-0.41
01-11-2024 19:2011.58-0.41
01-11-2024 19:1011.69-0.42
01-11-2024 19:0011.74-0.44
01-11-2024 18:5011.74-0.47
01-11-2024 18:4011.7-0.49
01-11-2024 18:3011.61-0.52
01-11-2024 18:2011.48-0.53
01-11-2024 18:1011.31-0.54
01-11-2024 18:0011.1-0.55
01-11-2024 17:5010.85-0.57
01-11-2024 17:4010.59-0.56
01-11-2024 17:3010.29-0.55
01-11-2024 17:209.97-0.54
01-11-2024 17:109.64-0.52
01-11-2024 17:009.31-0.48
01-11-2024 16:508.94-0.45
01-11-2024 16:408.57-0.42
01-11-2024 16:308.17-0.4
01-11-2024 16:207.79-0.36
01-11-2024 16:107.39-0.33
01-11-2024 16:006.98-0.31
01-11-2024 15:506.58-0.28
01-11-2024 15:406.2-0.23
01-11-2024 15:305.81-0.19
01-11-2024 15:205.43-0.15
01-11-2024 15:105.04-0.13
01-11-2024 15:004.67-0.09
01-11-2024 14:504.28-0.09
01-11-2024 14:403.91-0.08
01-11-2024 14:303.57-0.07
01-11-2024 14:203.24-0.05
01-11-2024 14:102.94-0.03
01-11-2024 14:002.66-0.02
01-11-2024 13:50--
01-11-2024 13:40--
01-11-2024 13:30--
01-11-2024 13:20--
01-11-2024 13:10--
01-11-2024 13:00--
01-11-2024 12:50--
01-11-2024 12:40--
01-11-2024 12:30--
01-11-2024 12:20--
01-11-2024 12:10--
01-11-2024 12:00--
01-11-2024 11:50--
01-11-2024 11:402.630.27
01-11-2024 11:302.890.28
01-11-2024 11:203.150.27
01-11-2024 11:103.430.26
01-11-2024 11:003.720.23
01-11-2024 10:504.020.2
01-11-2024 10:404.340.17
01-11-2024 10:304.690.15
01-11-2024 10:205.030.11
01-11-2024 10:105.390.08
01-11-2024 10:005.760.05
01-11-2024 09:506.140.02
01-11-2024 09:406.53-0.01
01-11-2024 09:306.93-0.03
01-11-2024 09:207.33-0.07
01-11-2024 09:107.73-0.09
01-11-2024 09:008.16-0.09
01-11-2024 08:508.55-0.12
01-11-2024 08:408.92-0.17
01-11-2024 08:309.31-0.19
01-11-2024 08:209.69-0.19
01-11-2024 08:1010.05-0.21
01-11-2024 08:0010.38-0.23
01-11-2024 07:5010.69-0.24
01-11-2024 07:4010.96-0.27
01-11-2024 07:3011.19-0.29
01-11-2024 07:2011.38-0.32
01-11-2024 07:1011.54-0.33
01-11-2024 07:0011.66-0.34
01-11-2024 06:5011.73-0.36
01-11-2024 06:4011.74-0.39
01-11-2024 06:3011.71-0.41
01-11-2024 06:2011.63-0.43
01-11-2024 06:1011.51-0.45
01-11-2024 06:0011.35-0.46
01-11-2024 05:5011.15-0.48
01-11-2024 05:4010.91-0.49
01-11-2024 05:3010.64-0.49
01-11-2024 05:2010.35-0.48
01-11-2024 05:1010.04-0.47
01-11-2024 05:009.71-0.46
01-11-2024 04:509.38-0.42
01-11-2024 04:409.01-0.4
01-11-2024 04:308.63-0.38
01-11-2024 04:208.24-0.36
01-11-2024 04:107.85-0.33
01-11-2024 04:007.45-0.31
01-11-2024 03:507.05-0.3
01-11-2024 03:406.65-0.27
01-11-2024 03:306.26-0.24
01-11-2024 03:205.88-0.2
01-11-2024 03:105.49-0.18
01-11-2024 03:005.11-0.15
01-11-2024 02:504.73-0.14
01-11-2024 02:404.36-0.12
01-11-2024 02:304.01-0.11
01-11-2024 02:203.66-0.11
01-11-2024 02:103.34-0.1
01-11-2024 02:003.03-0.09
01-11-2024 01:502.77-0.07
01-11-2024 01:40--
01-11-2024 01:30--
01-11-2024 01:20--
01-11-2024 01:10--
01-11-2024 01:00--
01-11-2024 00:50--
01-11-2024 00:40--
01-11-2024 00:30--
01-11-2024 00:20--
01-11-2024 00:10--