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
10-05-2026 14:207.65-0.06
 Next HWNext LW
01:02, 9.26 18:24, 3.95
Date Highest 2026 Date Lowest 2026
04-02 13.05m 18-01 2.59m
Time (GMT)ElevationResidual
10-05-2026 14:207.65-0.06
10-05-2026 14:107.82-0.08
10-05-2026 14:008-0.09
10-05-2026 13:508.14-0.12
10-05-2026 13:408.28-0.14
10-05-2026 13:308.42-0.14
10-05-2026 13:208.52-0.17
10-05-2026 13:108.62-0.18
10-05-2026 13:008.7-0.19
10-05-2026 12:508.78-0.19
10-05-2026 12:408.81-0.21
10-05-2026 12:308.84-0.21
10-05-2026 12:208.85-0.21
10-05-2026 12:108.84-0.21
10-05-2026 12:008.8-0.22
10-05-2026 11:508.76-0.21
10-05-2026 11:408.7-0.22
10-05-2026 11:308.62-0.21
10-05-2026 11:208.53-0.21
10-05-2026 11:108.42-0.2
10-05-2026 11:008.31-0.19
10-05-2026 10:508.18-0.18
10-05-2026 10:408.03-0.17
10-05-2026 10:307.88-0.16
10-05-2026 10:207.71-0.16
10-05-2026 10:107.54-0.15
10-05-2026 10:007.35-0.14
10-05-2026 09:507.16-0.14
10-05-2026 09:406.96-0.13
10-05-2026 09:306.77-0.12
10-05-2026 09:206.56-0.11
10-05-2026 09:106.35-0.1
10-05-2026 09:006.15-0.08
10-05-2026 08:505.96-0.06
10-05-2026 08:405.75-0.05
10-05-2026 08:305.57-0.02
10-05-2026 08:205.38-0
10-05-2026 08:105.20.02
10-05-2026 08:005.030.04
10-05-2026 07:504.850.05
10-05-2026 07:404.70.07
10-05-2026 07:304.530.06
10-05-2026 07:204.410.09
10-05-2026 07:104.280.09
10-05-2026 07:004.150.08
10-05-2026 06:504.050.08
10-05-2026 06:403.940.05
10-05-2026 06:303.880.05
10-05-2026 06:203.810.03
10-05-2026 06:103.750
10-05-2026 06:003.73-0.02
10-05-2026 05:503.7-0.05
10-05-2026 05:403.72-0.06
10-05-2026 05:303.74-0.09
10-05-2026 05:203.8-0.09
10-05-2026 05:103.88-0.09
10-05-2026 05:003.96-0.11
10-05-2026 04:504.1-0.09
10-05-2026 04:404.23-0.09
10-05-2026 04:304.38-0.08
10-05-2026 04:204.55-0.07
10-05-2026 04:104.73-0.06
10-05-2026 04:004.93-0.05
10-05-2026 03:505.13-0.04
10-05-2026 03:405.35-0.03
10-05-2026 03:305.57-0.03
10-05-2026 03:205.8-0.02
10-05-2026 03:106.03-0.02
10-05-2026 03:006.26-0.02
10-05-2026 02:506.5-0.01
10-05-2026 02:406.74-0.02
10-05-2026 02:306.97-0.02
10-05-2026 02:207.2-0.02
10-05-2026 02:107.42-0.03
10-05-2026 02:007.63-0.05
10-05-2026 01:507.84-0.06
10-05-2026 01:408.03-0.07
10-05-2026 01:308.2-0.09
10-05-2026 01:208.37-0.11
10-05-2026 01:108.51-0.13
10-05-2026 01:008.64-0.16
10-05-2026 00:508.76-0.18
10-05-2026 00:408.85-0.2
10-05-2026 00:308.93-0.21
10-05-2026 00:208.99-0.23
10-05-2026 00:109.04-0.25
10-05-2026 00:009.07-0.25
09-05-2026 23:509.07-0.27
09-05-2026 23:409.06-0.27
09-05-2026 23:309.04-0.27
09-05-2026 23:209.01-0.27
09-05-2026 23:108.95-0.27
09-05-2026 23:008.89-0.25
09-05-2026 22:508.81-0.24
09-05-2026 22:408.72-0.23
09-05-2026 22:308.61-0.21
09-05-2026 22:208.5-0.19
09-05-2026 22:108.38-0.17
09-05-2026 22:008.25-0.14
09-05-2026 21:508.12-0.1
09-05-2026 21:407.97-0.07
09-05-2026 21:307.82-0.03
09-05-2026 21:207.650
09-05-2026 21:107.490.05
09-05-2026 21:007.320.08
09-05-2026 20:507.140.12
09-05-2026 20:406.970.17
09-05-2026 20:306.780.19
09-05-2026 20:206.610.24
09-05-2026 20:106.420.28
09-05-2026 20:006.250.32
09-05-2026 19:506.060.36
09-05-2026 19:405.880.39
09-05-2026 19:305.710.42
09-05-2026 19:205.540.44
09-05-2026 19:105.350.45
09-05-2026 19:005.190.46
09-05-2026 18:505.020.46
09-05-2026 18:404.870.46
09-05-2026 18:304.710.44
09-05-2026 18:204.580.44
09-05-2026 18:104.440.4
09-05-2026 18:004.320.37
09-05-2026 17:504.210.34
09-05-2026 17:404.120.31
09-05-2026 17:304.040.27
09-05-2026 17:203.990.23
09-05-2026 17:103.950.19
09-05-2026 17:003.920.15
09-05-2026 16:503.930.11
09-05-2026 16:403.950.08
09-05-2026 16:304.010.06
09-05-2026 16:204.080.04
09-05-2026 16:104.170.02
09-05-2026 16:004.290.01
09-05-2026 15:504.42-0
09-05-2026 15:404.57-0.01
09-05-2026 15:304.74-0.02
09-05-2026 15:204.92-0.02
09-05-2026 15:105.11-0.03
09-05-2026 15:005.32-0.03
09-05-2026 14:505.53-0.04
09-05-2026 14:405.75-0.05
09-05-2026 14:305.98-0.06
09-05-2026 14:206.2-0.07
09-05-2026 14:106.44-0.07
09-05-2026 14:006.68-0.08
09-05-2026 13:506.91-0.09
09-05-2026 13:407.14-0.1
09-05-2026 13:307.38-0.1
09-05-2026 13:207.6-0.11
09-05-2026 13:107.82-0.11
09-05-2026 13:008.02-0.12
09-05-2026 12:508.21-0.13
09-05-2026 12:408.38-0.13
09-05-2026 12:308.55-0.14
09-05-2026 12:208.7-0.14
09-05-2026 12:108.83-0.14
09-05-2026 12:008.94-0.14
09-05-2026 11:509.03-0.15
09-05-2026 11:409.1-0.14
09-05-2026 11:309.15-0.14
09-05-2026 11:209.18-0.15
09-05-2026 11:109.18-0.14
09-05-2026 11:009.17-0.15
09-05-2026 10:509.13-0.14
09-05-2026 10:409.08-0.14
09-05-2026 10:309.01-0.13
09-05-2026 10:208.92-0.13
09-05-2026 10:108.82-0.12
09-05-2026 10:008.7-0.11
09-05-2026 09:508.56-0.1
09-05-2026 09:408.42-0.09
09-05-2026 09:308.26-0.07
09-05-2026 09:208.09-0.06
09-05-2026 09:107.91-0.03
09-05-2026 09:007.72-0.02
09-05-2026 08:507.520
09-05-2026 08:407.320.03
09-05-2026 08:307.10.05
09-05-2026 08:206.880.07
09-05-2026 08:106.650.08
09-05-2026 08:006.440.11
09-05-2026 07:506.210.13
09-05-2026 07:405.980.14
09-05-2026 07:305.770.17
09-05-2026 07:205.560.19
09-05-2026 07:105.350.21
09-05-2026 07:005.150.22
09-05-2026 06:504.950.23
09-05-2026 06:404.750.22
09-05-2026 06:304.580.23
09-05-2026 06:204.40.21
09-05-2026 06:104.240.2
09-05-2026 06:004.090.18
09-05-2026 05:503.950.16
09-05-2026 05:403.840.14
09-05-2026 05:303.730.11
09-05-2026 05:203.650.09
09-05-2026 05:103.590.07
09-05-2026 05:003.550.04
09-05-2026 04:503.540.02
09-05-2026 04:403.550.01
09-05-2026 04:303.58-0.01
09-05-2026 04:203.64-0.01
09-05-2026 04:103.73-0
09-05-2026 04:003.84-0
09-05-2026 03:503.970.01
09-05-2026 03:404.120.02
09-05-2026 03:304.290.03
09-05-2026 03:204.480.04
09-05-2026 03:104.690.06
09-05-2026 03:004.90.07
09-05-2026 02:505.130.08
09-05-2026 02:405.370.09
09-05-2026 02:305.610.1
09-05-2026 02:205.870.11
09-05-2026 02:106.130.12
09-05-2026 02:006.40.13
09-05-2026 01:506.660.13
09-05-2026 01:406.930.14
09-05-2026 01:307.190.14
09-05-2026 01:207.450.14
09-05-2026 01:107.70.14
09-05-2026 01:007.940.13
09-05-2026 00:508.180.13
09-05-2026 00:408.40.13
09-05-2026 00:308.620.12
09-05-2026 00:208.810.11
09-05-2026 00:108.990.1
09-05-2026 00:009.140.08
08-05-2026 23:509.280.07
08-05-2026 23:409.40.05
08-05-2026 23:309.50.04
08-05-2026 23:209.570.02
08-05-2026 23:109.62-0
08-05-2026 23:009.66-0.02
08-05-2026 22:509.66-0.03
08-05-2026 22:409.65-0.05
08-05-2026 22:309.61-0.08
08-05-2026 22:209.55-0.09
08-05-2026 22:109.47-0.11
08-05-2026 22:009.39-0.11
08-05-2026 21:509.28-0.12
08-05-2026 21:409.16-0.12
08-05-2026 21:309.03-0.11
08-05-2026 21:208.89-0.1
08-05-2026 21:108.73-0.08
08-05-2026 21:008.57-0.07
08-05-2026 20:508.38-0.06
08-05-2026 20:408.19-0.04
08-05-2026 20:307.99-0.02
08-05-2026 20:207.790.01
08-05-2026 20:107.580.04
08-05-2026 20:007.370.07
08-05-2026 19:507.160.11
08-05-2026 19:406.930.13
08-05-2026 19:306.710.17
08-05-2026 19:206.50.21
08-05-2026 19:106.280.24
08-05-2026 19:006.060.27
08-05-2026 18:505.840.3
08-05-2026 18:405.640.34
08-05-2026 18:305.420.35
08-05-2026 18:205.220.37
08-05-2026 18:105.010.37
08-05-2026 18:004.810.37
08-05-2026 17:504.620.36
08-05-2026 17:404.420.34
08-05-2026 17:304.250.32
08-05-2026 17:204.090.29
08-05-2026 17:103.940.26
08-05-2026 17:003.810.23
08-05-2026 16:503.710.2
08-05-2026 16:403.620.16
08-05-2026 16:303.550.12
08-05-2026 16:203.520.09
08-05-2026 16:103.510.07
08-05-2026 16:003.520.04
08-05-2026 15:503.570.03
08-05-2026 15:403.640.02
08-05-2026 15:303.730.01
08-05-2026 15:203.85-0
08-05-2026 15:104-0
08-05-2026 15:004.16-0
08-05-2026 14:504.33-0.01
08-05-2026 14:404.540.01
08-05-2026 14:304.760.01
08-05-2026 14:204.980.01
08-05-2026 14:105.220.01