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
13-12-2025 16:306.60.11
 Next HWNext LW
01:58, 9.49 19:34, 3.79
Date Highest 2025 Date Lowest 2025
08-11 56.61m 28-04 2.59m
Time (GMT)ElevationResidual
13-12-2025 16:306.60.11
13-12-2025 16:206.880.13
13-12-2025 16:107.150.15
13-12-2025 16:007.440.19
13-12-2025 15:507.710.2
13-12-2025 15:407.960.2
13-12-2025 15:308.220.21
13-12-2025 15:208.450.21
13-12-2025 15:108.690.23
13-12-2025 15:008.90.22
13-12-2025 14:509.10.22
13-12-2025 14:409.270.2
13-12-2025 14:309.440.21
13-12-2025 14:209.580.19
13-12-2025 14:109.70.19
13-12-2025 14:009.80.18
13-12-2025 13:509.860.15
13-12-2025 13:409.920.16
13-12-2025 13:309.940.14
13-12-2025 13:209.940.13
13-12-2025 13:109.910.1
13-12-2025 13:009.870.1
13-12-2025 12:509.80.09
13-12-2025 12:409.710.08
13-12-2025 12:309.590.06
13-12-2025 12:209.470.06
13-12-2025 12:109.320.05
13-12-2025 12:009.140.03
13-12-2025 11:508.980.04
13-12-2025 11:408.770.02
13-12-2025 11:308.580.03
13-12-2025 11:208.350.02
13-12-2025 11:108.130.01
13-12-2025 11:007.90.01
13-12-2025 10:507.660.01
13-12-2025 10:407.430.01
13-12-2025 10:307.180.01
13-12-2025 10:206.940.01
13-12-2025 10:106.68-0.01
13-12-2025 10:006.44-0.01
13-12-2025 09:506.2-0.01
13-12-2025 09:405.96-0.02
13-12-2025 09:305.72-0.03
13-12-2025 09:205.5-0.03
13-12-2025 09:105.29-0.02
13-12-2025 09:005.09-0.02
13-12-2025 08:504.9-0.02
13-12-2025 08:404.73-0
13-12-2025 08:304.55-0.02
13-12-2025 08:204.4-0.02
13-12-2025 08:104.24-0.04
13-12-2025 08:004.11-0.05
13-12-2025 07:503.98-0.07
13-12-2025 07:403.87-0.1
13-12-2025 07:303.77-0.13
13-12-2025 07:203.69-0.16
13-12-2025 07:103.63-0.19
13-12-2025 07:003.6-0.22
13-12-2025 06:503.6-0.23
13-12-2025 06:403.6-0.25
13-12-2025 06:303.62-0.27
13-12-2025 06:203.71-0.25
13-12-2025 06:103.76-0.28
13-12-2025 06:003.86-0.28
13-12-2025 05:503.99-0.27
13-12-2025 05:404.12-0.27
13-12-2025 05:304.29-0.25
13-12-2025 05:204.47-0.24
13-12-2025 05:104.68-0.21
13-12-2025 05:004.89-0.18
13-12-2025 04:505.11-0.17
13-12-2025 04:405.35-0.15
13-12-2025 04:305.6-0.11
13-12-2025 04:205.86-0.08
13-12-2025 04:106.14-0.05
13-12-2025 04:006.39-0.04
13-12-2025 03:506.66-0.01
13-12-2025 03:406.940.01
13-12-2025 03:307.220.04
13-12-2025 03:207.490.06
13-12-2025 03:107.740.08
13-12-2025 03:007.990.09
13-12-2025 02:508.230.1
13-12-2025 02:408.460.11
13-12-2025 02:308.680.12
13-12-2025 02:208.880.13
13-12-2025 02:109.060.13
13-12-2025 02:009.220.14
13-12-2025 01:509.350.13
13-12-2025 01:409.470.13
13-12-2025 01:309.560.13
13-12-2025 01:209.640.14
13-12-2025 01:109.670.12
13-12-2025 01:009.70.13
13-12-2025 00:509.680.11
13-12-2025 00:409.640.1
13-12-2025 00:309.590.09
13-12-2025 00:209.520.09
13-12-2025 00:109.410.08
13-12-2025 00:009.320.1
12-12-2025 23:509.190.1
12-12-2025 23:409.070.13
12-12-2025 23:308.890.12
12-12-2025 23:208.720.14
12-12-2025 23:108.540.15
12-12-2025 23:008.340.15
12-12-2025 22:508.130.16
12-12-2025 22:407.910.16
12-12-2025 22:307.680.16
12-12-2025 22:207.440.16
12-12-2025 22:107.220.17
12-12-2025 22:006.970.16
12-12-2025 21:506.740.16
12-12-2025 21:406.490.15
12-12-2025 21:306.260.15
12-12-2025 21:206.020.14
12-12-2025 21:105.790.13
12-12-2025 21:005.560.12
12-12-2025 20:505.350.12
12-12-2025 20:405.140.12
12-12-2025 20:304.950.11
12-12-2025 20:204.750.1
12-12-2025 20:104.570.09
12-12-2025 20:004.380.05
12-12-2025 19:504.210.03
12-12-2025 19:404.070.02
12-12-2025 19:303.94-0
12-12-2025 19:203.81-0.05
12-12-2025 19:103.7-0.08
12-12-2025 19:003.62-0.11
12-12-2025 18:503.56-0.13
12-12-2025 18:403.51-0.17
12-12-2025 18:303.49-0.19
12-12-2025 18:203.48-0.22
12-12-2025 18:103.5-0.24
12-12-2025 18:003.55-0.25
12-12-2025 17:503.62-0.26
12-12-2025 17:403.72-0.26
12-12-2025 17:303.83-0.27
12-12-2025 17:203.96-0.27
12-12-2025 17:104.13-0.25
12-12-2025 17:004.3-0.24
12-12-2025 16:504.49-0.23
12-12-2025 16:404.72-0.19
12-12-2025 16:304.96-0.16
12-12-2025 16:205.21-0.12
12-12-2025 16:105.47-0.09
12-12-2025 16:005.73-0.06
12-12-2025 15:506.02-0.02
12-12-2025 15:406.30.02
12-12-2025 15:306.590.05
12-12-2025 15:206.890.09
12-12-2025 15:107.190.13
12-12-2025 15:007.480.15
12-12-2025 14:507.790.2
12-12-2025 14:408.070.22
12-12-2025 14:308.340.23
12-12-2025 14:208.610.26
12-12-2025 14:108.880.28
12-12-2025 14:009.110.29
12-12-2025 13:509.350.31
12-12-2025 13:409.550.32
12-12-2025 13:309.730.32
12-12-2025 13:209.90.33
12-12-2025 13:1010.030.32
12-12-2025 13:0010.140.32
12-12-2025 12:5010.240.33
12-12-2025 12:4010.280.3
12-12-2025 12:3010.320.3
12-12-2025 12:2010.320.29
12-12-2025 12:1010.30.28
12-12-2025 12:0010.240.26
12-12-2025 11:5010.170.25
12-12-2025 11:4010.060.24
12-12-2025 11:309.960.24
12-12-2025 11:209.820.24
12-12-2025 11:109.670.24
12-12-2025 11:009.490.24
12-12-2025 10:509.310.24
12-12-2025 10:409.10.23
12-12-2025 10:308.880.23
12-12-2025 10:208.650.22
12-12-2025 10:108.40.21
12-12-2025 10:008.140.19
12-12-2025 09:507.890.2
12-12-2025 09:407.630.18
12-12-2025 09:307.360.17
12-12-2025 09:207.10.17
12-12-2025 09:106.830.16
12-12-2025 09:006.570.15
12-12-2025 08:506.30.14
12-12-2025 08:406.040.12
12-12-2025 08:305.780.11
12-12-2025 08:205.520.09
12-12-2025 08:105.290.08
12-12-2025 08:005.060.06
12-12-2025 07:504.810.03
12-12-2025 07:404.60.01
12-12-2025 07:304.37-0.05
12-12-2025 07:204.18-0.08
12-12-2025 07:104-0.11
12-12-2025 07:003.84-0.15
12-12-2025 06:503.7-0.18
12-12-2025 06:403.58-0.21
12-12-2025 06:303.46-0.27
12-12-2025 06:203.41-0.27
12-12-2025 06:103.37-0.29
12-12-2025 06:003.35-0.31
12-12-2025 05:503.35-0.32
12-12-2025 05:403.38-0.33
12-12-2025 05:303.44-0.32
12-12-2025 05:203.52-0.32
12-12-2025 05:103.63-0.31
12-12-2025 05:003.75-0.3
12-12-2025 04:503.9-0.28
12-12-2025 04:404.08-0.25
12-12-2025 04:304.27-0.22
12-12-2025 04:204.47-0.2
12-12-2025 04:104.72-0.15
12-12-2025 04:004.96-0.12
12-12-2025 03:505.21-0.09
12-12-2025 03:405.48-0.05
12-12-2025 03:305.75-0.01
12-12-2025 03:206.040.02
12-12-2025 03:106.330.05
12-12-2025 03:006.630.1
12-12-2025 02:506.930.13
12-12-2025 02:407.240.17
12-12-2025 02:307.550.22
12-12-2025 02:207.840.24
12-12-2025 02:108.140.27
12-12-2025 02:008.420.3
12-12-2025 01:508.680.32
12-12-2025 01:408.930.34
12-12-2025 01:309.170.35
12-12-2025 01:209.390.36
12-12-2025 01:109.60.38
12-12-2025 01:009.780.39
12-12-2025 00:509.920.4
12-12-2025 00:4010.060.41
12-12-2025 00:3010.150.4
12-12-2025 00:2010.220.4
12-12-2025 00:1010.250.38
12-12-2025 00:0010.240.36
11-12-2025 23:5010.240.37
11-12-2025 23:4010.170.34
11-12-2025 23:3010.110.34
11-12-2025 23:20100.33
11-12-2025 23:109.890.33
11-12-2025 23:009.730.31
11-12-2025 22:509.580.32
11-12-2025 22:409.40.32
11-12-2025 22:309.210.32
11-12-2025 22:2090.32
11-12-2025 22:108.780.33
11-12-2025 22:008.550.34
11-12-2025 21:508.310.34
11-12-2025 21:408.060.34
11-12-2025 21:307.810.35
11-12-2025 21:207.540.35
11-12-2025 21:107.260.33
11-12-2025 21:006.990.32
11-12-2025 20:506.720.31
11-12-2025 20:406.440.3
11-12-2025 20:306.190.3
11-12-2025 20:205.920.27
11-12-2025 20:105.670.27
11-12-2025 20:005.410.25
11-12-2025 19:505.160.23
11-12-2025 19:404.930.21
11-12-2025 19:304.690.17
11-12-2025 19:204.470.14
11-12-2025 19:104.270.12
11-12-2025 19:004.080.09
11-12-2025 18:503.930.09
11-12-2025 18:403.770.05
11-12-2025 18:303.630.02
11-12-2025 18:203.52-0.01
11-12-2025 18:103.42-0.05
11-12-2025 18:003.35-0.07
11-12-2025 17:503.3-0.11
11-12-2025 17:403.25-0.16
11-12-2025 17:303.27-0.17
11-12-2025 17:203.3-0.18
11-12-2025 17:103.35-0.2
11-12-2025 17:003.44-0.19
11-12-2025 16:503.55-0.19
11-12-2025 16:403.67-0.18
11-12-2025 16:303.84-0.16
11-12-2025 16:204.01-0.15
11-12-2025 16:104.2-0.12