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
20-06-2025 22:205.44-0.07
 Next HWNext LW
02:11, 10.56 08:17, 2.67
Date Highest 2025 Date Lowest 2025
31-03 13.51m 28-04 2.59m
Time (GMT)ElevationResidual
20-06-2025 22:205.44-0.07
20-06-2025 22:105.19-0.04
20-06-2025 22:004.95-0.02
20-06-2025 21:504.710
20-06-2025 21:404.490.02
20-06-2025 21:304.270.04
20-06-2025 21:204.080.05
20-06-2025 21:103.890.06
20-06-2025 21:003.720.07
20-06-2025 20:503.560.07
20-06-2025 20:403.430.09
20-06-2025 20:303.320.09
20-06-2025 20:203.220.09
20-06-2025 20:103.140.09
20-06-2025 20:003.090.1
20-06-2025 19:503.060.11
20-06-2025 19:403.050.12
20-06-2025 19:303.080.14
20-06-2025 19:203.120.16
20-06-2025 19:103.20.19
20-06-2025 19:003.30.22
20-06-2025 18:503.420.25
20-06-2025 18:403.550.27
20-06-2025 18:303.710.29
20-06-2025 18:203.890.31
20-06-2025 18:104.070.32
20-06-2025 18:004.280.33
20-06-2025 17:504.490.34
20-06-2025 17:404.730.34
20-06-2025 17:304.970.33
20-06-2025 17:205.230.32
20-06-2025 17:105.490.31
20-06-2025 17:005.770.29
20-06-2025 16:506.060.28
20-06-2025 16:406.340.25
20-06-2025 16:306.640.24
20-06-2025 16:206.920.2
20-06-2025 16:107.240.19
20-06-2025 16:007.540.18
20-06-2025 15:507.840.16
20-06-2025 15:408.130.14
20-06-2025 15:308.410.13
20-06-2025 15:208.680.11
20-06-2025 15:108.930.1
20-06-2025 15:009.160.08
20-06-2025 14:509.370.06
20-06-2025 14:409.560.05
20-06-2025 14:309.730.04
20-06-2025 14:209.860.02
20-06-2025 14:109.980.02
20-06-2025 14:0010.070.01
20-06-2025 13:5010.11-0.01
20-06-2025 13:4010.14-0.01
20-06-2025 13:3010.14-0.02
20-06-2025 13:2010.1-0.04
20-06-2025 13:1010.03-0.05
20-06-2025 13:009.94-0.07
20-06-2025 12:509.81-0.09
20-06-2025 12:409.67-0.1
20-06-2025 12:309.5-0.12
20-06-2025 12:209.31-0.14
20-06-2025 12:109.1-0.16
20-06-2025 12:008.88-0.16
20-06-2025 11:508.64-0.18
20-06-2025 11:408.38-0.2
20-06-2025 11:308.13-0.2
20-06-2025 11:207.84-0.22
20-06-2025 11:107.57-0.23
20-06-2025 11:007.28-0.24
20-06-2025 10:506.98-0.25
20-06-2025 10:406.69-0.25
20-06-2025 10:306.4-0.25
20-06-2025 10:206.1-0.25
20-06-2025 10:105.82-0.24
20-06-2025 10:005.54-0.22
20-06-2025 09:505.26-0.21
20-06-2025 09:404.99-0.19
20-06-2025 09:304.74-0.16
20-06-2025 09:204.48-0.16
20-06-2025 09:104.22-0.15
20-06-2025 09:004-0.13
20-06-2025 08:503.78-0.12
20-06-2025 08:403.57-0.12
20-06-2025 08:303.37-0.12
20-06-2025 08:203.22-0.09
20-06-2025 08:103.08-0.07
20-06-2025 08:002.96-0.06
20-06-2025 07:502.87-0.04
20-06-2025 07:402.81-0.01
20-06-2025 07:302.770.01
20-06-2025 07:202.760.04
20-06-2025 07:102.770.06
20-06-2025 07:002.840.12
20-06-2025 06:502.90.15
20-06-2025 06:4030.19
20-06-2025 06:303.130.24
20-06-2025 06:203.260.26
20-06-2025 06:103.420.29
20-06-2025 06:003.610.32
20-06-2025 05:503.80.33
20-06-2025 05:404.020.35
20-06-2025 05:304.250.37
20-06-2025 05:204.480.37
20-06-2025 05:104.750.38
20-06-2025 05:005.010.37
20-06-2025 04:505.290.36
20-06-2025 04:405.580.35
20-06-2025 04:305.880.34
20-06-2025 04:206.190.33
20-06-2025 04:106.510.32
20-06-2025 04:006.840.32
20-06-2025 03:507.160.31
20-06-2025 03:407.490.3
20-06-2025 03:307.810.28
20-06-2025 03:208.120.27
20-06-2025 03:108.440.27
20-06-2025 03:008.740.26
20-06-2025 02:509.020.25
20-06-2025 02:409.270.22
20-06-2025 02:309.510.21
20-06-2025 02:209.730.19
20-06-2025 02:109.920.18
20-06-2025 02:0010.090.16
20-06-2025 01:5010.230.15
20-06-2025 01:4010.330.13
20-06-2025 01:3010.420.11
20-06-2025 01:2010.460.1
20-06-2025 01:1010.470.07
20-06-2025 01:0010.450.05
20-06-2025 00:5010.40.02
20-06-2025 00:4010.32-0
20-06-2025 00:3010.21-0.04
20-06-2025 00:2010.08-0.06
20-06-2025 00:109.92-0.08
20-06-2025 00:009.75-0.1
19-06-2025 23:509.56-0.12
19-06-2025 23:409.36-0.13
19-06-2025 23:309.14-0.14
19-06-2025 23:208.91-0.14
19-06-2025 23:108.67-0.14
19-06-2025 23:008.43-0.14
19-06-2025 22:508.17-0.14
19-06-2025 22:407.92-0.12
19-06-2025 22:307.65-0.12
19-06-2025 22:207.37-0.12
19-06-2025 22:107.09-0.11
19-06-2025 22:006.82-0.09
19-06-2025 21:506.56-0.07
19-06-2025 21:406.28-0.06
19-06-2025 21:306-0.05
19-06-2025 21:205.74-0.03
19-06-2025 21:105.50.01
19-06-2025 21:005.250.03
19-06-2025 20:505.010.05
19-06-2025 20:404.780.08
19-06-2025 20:304.550.09
19-06-2025 20:204.340.1
19-06-2025 20:104.130.11
19-06-2025 20:003.940.12
19-06-2025 19:503.760.11
19-06-2025 19:403.60.11
19-06-2025 19:303.460.11
19-06-2025 19:203.340.11
19-06-2025 19:103.230.09
19-06-2025 19:003.140.08
19-06-2025 18:503.080.07
19-06-2025 18:403.040.06
19-06-2025 18:303.030.06
19-06-2025 18:203.050.07
19-06-2025 18:103.10.08
19-06-2025 18:003.170.1
19-06-2025 17:503.280.12
19-06-2025 17:403.40.14
19-06-2025 17:303.550.16
19-06-2025 17:203.710.18
19-06-2025 17:103.890.2
19-06-2025 17:004.10.22
19-06-2025 16:504.310.23
19-06-2025 16:404.540.24
19-06-2025 16:304.780.24
19-06-2025 16:205.030.25
19-06-2025 16:105.290.24
19-06-2025 16:005.570.24
19-06-2025 15:505.850.23
19-06-2025 15:406.140.22
19-06-2025 15:306.450.22
19-06-2025 15:206.750.21
19-06-2025 15:107.050.2
19-06-2025 15:007.360.19
19-06-2025 14:507.680.2
19-06-2025 14:407.980.19
19-06-2025 14:308.270.18
19-06-2025 14:208.560.18
19-06-2025 14:108.820.18
19-06-2025 14:009.070.17
19-06-2025 13:509.290.15
19-06-2025 13:409.510.16
19-06-2025 13:309.690.14
19-06-2025 13:209.840.13
19-06-2025 13:109.970.13
19-06-2025 13:0010.070.12
19-06-2025 12:5010.140.1
19-06-2025 12:4010.170.09
19-06-2025 12:3010.160.06
19-06-2025 12:2010.130.04
19-06-2025 12:1010.070.02
19-06-2025 12:009.98-0.01
19-06-2025 11:509.87-0.03
19-06-2025 11:409.73-0.05
19-06-2025 11:309.56-0.07
19-06-2025 11:209.38-0.1
19-06-2025 11:109.18-0.12
19-06-2025 11:008.96-0.14
19-06-2025 10:508.72-0.16
19-06-2025 10:408.47-0.18
19-06-2025 10:308.21-0.19
19-06-2025 10:207.94-0.21
19-06-2025 10:107.66-0.23
19-06-2025 10:007.38-0.23
19-06-2025 09:507.09-0.24
19-06-2025 09:406.79-0.24
19-06-2025 09:306.5-0.24
19-06-2025 09:206.21-0.24
19-06-2025 09:105.91-0.23
19-06-2025 09:005.63-0.21
19-06-2025 08:505.35-0.19
19-06-2025 08:405.07-0.18
19-06-2025 08:304.8-0.17
19-06-2025 08:204.53-0.16
19-06-2025 08:104.28-0.14
19-06-2025 08:004.04-0.13
19-06-2025 07:503.81-0.12
19-06-2025 07:403.59-0.11
19-06-2025 07:303.4-0.1
19-06-2025 07:203.23-0.09
19-06-2025 07:103.08-0.08
19-06-2025 07:002.95-0.08
19-06-2025 06:502.85-0.07
19-06-2025 06:402.76-0.06
19-06-2025 06:302.71-0.06
19-06-2025 06:202.68-0.05
19-06-2025 06:102.69-0.03
19-06-2025 06:002.72-0
19-06-2025 05:502.80.03
19-06-2025 05:402.90.07
19-06-2025 05:303.020.1
19-06-2025 05:203.160.13
19-06-2025 05:103.330.17
19-06-2025 05:003.510.2
19-06-2025 04:503.720.23
19-06-2025 04:403.930.24
19-06-2025 04:304.160.26
19-06-2025 04:204.40.27
19-06-2025 04:104.660.29
19-06-2025 04:004.930.29
19-06-2025 03:505.210.29
19-06-2025 03:405.50.29
19-06-2025 03:305.80.29
19-06-2025 03:206.110.29
19-06-2025 03:106.430.29
19-06-2025 03:006.750.28
19-06-2025 02:507.080.28
19-06-2025 02:407.40.28
19-06-2025 02:307.730.27
19-06-2025 02:208.040.26
19-06-2025 02:108.350.26
19-06-2025 02:008.660.27
19-06-2025 01:508.950.26
19-06-2025 01:409.220.25
19-06-2025 01:309.470.24
19-06-2025 01:209.70.24
19-06-2025 01:109.90.22
19-06-2025 01:0010.080.21
19-06-2025 00:5010.220.2
19-06-2025 00:4010.350.19
19-06-2025 00:3010.430.17
19-06-2025 00:2010.490.16
19-06-2025 00:1010.510.15
19-06-2025 00:0010.480.12
18-06-2025 23:5010.450.1
18-06-2025 23:4010.380.08
18-06-2025 23:3010.270.05
18-06-2025 23:2010.150.04
18-06-2025 23:1010.010.02
18-06-2025 23:009.84-0.01
18-06-2025 22:509.66-0.02
18-06-2025 22:409.45-0.04
18-06-2025 22:309.23-0.06
18-06-2025 22:208.99-0.07
18-06-2025 22:108.75-0.09