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
17-09-2026 00:506.720.14
 Next HWNext LW
10:01, 10.65 03:48, 2.71
Date Highest 2026 Date Lowest 2026
04-02 13.05m 18-01 2.59m
Time (GMT)ElevationResidual
13-05-2026 00:005.96-0.01
12-05-2026 23:505.69-0.01
12-05-2026 23:405.42-0.02
12-05-2026 23:305.18-0.02
12-05-2026 23:204.92-0.04
12-05-2026 23:104.69-0.05
12-05-2026 23:004.45-0.08
12-05-2026 22:504.23-0.11
12-05-2026 22:404.04-0.14
12-05-2026 22:303.86-0.16
12-05-2026 22:203.7-0.19
12-05-2026 22:103.55-0.22
12-05-2026 22:003.43-0.24
12-05-2026 21:503.33-0.26
12-05-2026 21:403.26-0.26
12-05-2026 21:303.21-0.26
12-05-2026 21:203.19-0.26
12-05-2026 21:103.2-0.24
12-05-2026 21:003.22-0.22
12-05-2026 20:503.28-0.18
12-05-2026 20:403.36-0.13
12-05-2026 20:303.46-0.08
12-05-2026 20:203.59-0.03
12-05-2026 20:103.730.03
12-05-2026 20:003.890.08
12-05-2026 19:504.060.14
12-05-2026 19:404.250.2
12-05-2026 19:304.450.25
12-05-2026 19:204.680.3
12-05-2026 19:104.910.35
12-05-2026 19:005.150.39
12-05-2026 18:505.40.42
12-05-2026 18:405.660.46
12-05-2026 18:305.930.49
12-05-2026 18:206.20.52
12-05-2026 18:106.470.53
12-05-2026 18:006.750.54
12-05-2026 17:507.030.55
12-05-2026 17:407.30.55
12-05-2026 17:307.560.54
12-05-2026 17:207.820.54
12-05-2026 17:108.080.54
12-05-2026 17:008.330.54
12-05-2026 16:508.560.53
12-05-2026 16:408.780.52
12-05-2026 16:308.980.5
12-05-2026 16:209.170.48
12-05-2026 16:109.320.46
12-05-2026 16:009.470.44
12-05-2026 15:509.60.42
12-05-2026 15:409.70.41
12-05-2026 15:309.790.39
12-05-2026 15:209.840.37
12-05-2026 15:109.870.35
12-05-2026 15:009.870.32
12-05-2026 14:509.850.29
12-05-2026 14:409.80.27
12-05-2026 14:309.730.24
12-05-2026 14:209.650.21
12-05-2026 14:109.530.18
12-05-2026 14:009.390.16
12-05-2026 13:509.240.14
12-05-2026 13:409.070.11
12-05-2026 13:308.880.09
12-05-2026 13:208.680.07
12-05-2026 13:108.460.05
12-05-2026 13:008.240.03
12-05-2026 12:5080.01
12-05-2026 12:407.760.01
12-05-2026 12:307.51-0
12-05-2026 12:207.25-0.02
12-05-2026 12:106.99-0.03
12-05-2026 12:006.74-0.03
12-05-2026 11:506.48-0.05
12-05-2026 11:406.22-0.05
12-05-2026 11:305.97-0.06
12-05-2026 11:205.73-0.06
12-05-2026 11:105.49-0.06
12-05-2026 11:005.26-0.07
12-05-2026 10:505.04-0.07
12-05-2026 10:404.8-0.09
12-05-2026 10:304.6-0.1
12-05-2026 10:204.39-0.12
12-05-2026 10:104.2-0.14
12-05-2026 10:004.03-0.15
12-05-2026 09:503.87-0.16
12-05-2026 09:403.73-0.17
12-05-2026 09:303.62-0.16
12-05-2026 09:203.52-0.17
12-05-2026 09:103.44-0.17
12-05-2026 09:003.38-0.16
12-05-2026 08:503.35-0.15
12-05-2026 08:403.34-0.13
12-05-2026 08:303.34-0.11
12-05-2026 08:203.38-0.08
12-05-2026 08:103.44-0.04
12-05-2026 08:003.53-0.01
12-05-2026 07:503.630.04
12-05-2026 07:403.760.08
12-05-2026 07:303.90.13
12-05-2026 07:204.070.17
12-05-2026 07:104.240.2
12-05-2026 07:004.430.24
12-05-2026 06:504.640.29
12-05-2026 06:404.860.32
12-05-2026 06:305.090.34
12-05-2026 06:205.330.36
12-05-2026 06:105.580.39
12-05-2026 06:005.840.41
12-05-2026 05:506.110.43
12-05-2026 05:406.380.45
12-05-2026 05:306.660.46
12-05-2026 05:206.940.48
12-05-2026 05:107.220.49
12-05-2026 05:007.50.5
12-05-2026 04:507.760.51
12-05-2026 04:408.020.51
12-05-2026 04:308.270.51
12-05-2026 04:208.520.53
12-05-2026 04:108.750.53
12-05-2026 04:008.950.51
12-05-2026 03:509.150.51
12-05-2026 03:409.320.5
12-05-2026 03:309.470.48
12-05-2026 03:209.60.47
12-05-2026 03:109.710.45
12-05-2026 03:009.790.42
12-05-2026 02:509.840.39
12-05-2026 02:409.870.36
12-05-2026 02:309.880.33
12-05-2026 02:209.850.29
12-05-2026 02:109.80.25
12-05-2026 02:009.730.21
12-05-2026 01:509.650.18
12-05-2026 01:409.540.15
12-05-2026 01:309.420.12
12-05-2026 01:209.280.1
12-05-2026 01:109.120.08
12-05-2026 01:008.950.06
12-05-2026 00:508.770.05
12-05-2026 00:408.580.04
12-05-2026 00:308.390.03
12-05-2026 00:208.170.02
12-05-2026 00:107.970.03