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
11-08-2026 01:204.580.08
 Next HWNext LW
05:32, 10.89 11:53, 2.55
Date Highest 2026 Date Lowest 2026
04-02 13.05m 18-01 2.59m
Time (GMT)ElevationResidual
29-10-2024 00:003.57-0.15
28-10-2024 23:503.38-0.17
28-10-2024 23:403.21-0.19
28-10-2024 23:303.06-0.21
28-10-2024 23:202.94-0.23
28-10-2024 23:102.84-0.25
28-10-2024 23:002.77-0.27
28-10-2024 22:502.72-0.29
28-10-2024 22:402.71-0.3
28-10-2024 22:302.72-0.31
28-10-2024 22:202.76-0.32
28-10-2024 22:102.83-0.32
28-10-2024 22:002.94-0.3
28-10-2024 21:503.06-0.3
28-10-2024 21:403.2-0.28
28-10-2024 21:303.37-0.27
28-10-2024 21:203.55-0.26
28-10-2024 21:103.75-0.25
28-10-2024 21:003.96-0.24
28-10-2024 20:504.19-0.23
28-10-2024 20:404.43-0.21
28-10-2024 20:304.7-0.19
28-10-2024 20:204.97-0.17
28-10-2024 20:105.25-0.15
28-10-2024 20:005.53-0.13
28-10-2024 19:505.83-0.11
28-10-2024 19:406.14-0.08
28-10-2024 19:306.46-0.05
28-10-2024 19:206.78-0.03
28-10-2024 19:107.09-0.01
28-10-2024 19:007.420.02
28-10-2024 18:507.730.04
28-10-2024 18:408.030.05
28-10-2024 18:308.340.07
28-10-2024 18:208.640.09
28-10-2024 18:108.920.1
28-10-2024 18:009.190.12
28-10-2024 17:509.440.13
28-10-2024 17:409.670.14
28-10-2024 17:309.870.14
28-10-2024 17:2010.060.15
28-10-2024 17:1010.210.15
28-10-2024 17:0010.340.16
28-10-2024 16:5010.420.14
28-10-2024 16:4010.490.14
28-10-2024 16:3010.530.14
28-10-2024 16:2010.520.13
28-10-2024 16:1010.490.12
28-10-2024 16:0010.440.12
28-10-2024 15:5010.350.11
28-10-2024 15:4010.230.1
28-10-2024 15:3010.10.11
28-10-2024 15:209.940.11
28-10-2024 15:109.750.09
28-10-2024 15:009.550.09
28-10-2024 14:509.330.09
28-10-2024 14:409.090.08
28-10-2024 14:308.840.07
28-10-2024 14:208.560.05
28-10-2024 14:108.30.06
28-10-2024 14:0080.03
28-10-2024 13:507.70.02
28-10-2024 13:407.4-0
28-10-2024 13:307.1-0.02
28-10-2024 13:206.8-0.03
28-10-2024 13:106.5-0.04
28-10-2024 13:006.19-0.07
28-10-2024 12:505.9-0.09
28-10-2024 12:405.61-0.1
28-10-2024 12:305.34-0.11
28-10-2024 12:205.06-0.14
28-10-2024 12:104.8-0.16
28-10-2024 12:004.53-0.21
28-10-2024 11:504.28-0.24
28-10-2024 11:404.06-0.26
28-10-2024 11:303.86-0.29
28-10-2024 11:203.68-0.31
28-10-2024 11:103.51-0.34
28-10-2024 11:003.38-0.36
28-10-2024 10:503.27-0.38
28-10-2024 10:403.19-0.39
28-10-2024 10:303.14-0.39
28-10-2024 10:203.11-0.4
28-10-2024 10:103.11-0.4
28-10-2024 10:003.14-0.39
28-10-2024 09:503.2-0.38
28-10-2024 09:403.27-0.37
28-10-2024 09:303.38-0.35
28-10-2024 09:203.51-0.32
28-10-2024 09:103.64-0.32
28-10-2024 09:003.81-0.28
28-10-2024 08:504-0.25
28-10-2024 08:404.19-0.23
28-10-2024 08:304.4-0.2
28-10-2024 08:204.64-0.15
28-10-2024 08:104.88-0.12
28-10-2024 08:005.14-0.08
28-10-2024 07:505.4-0.04
28-10-2024 07:405.68-0
28-10-2024 07:305.960.04
28-10-2024 07:206.250.08
28-10-2024 07:106.560.13
28-10-2024 07:006.860.18
28-10-2024 06:507.160.22
28-10-2024 06:407.470.27
28-10-2024 06:307.760.3
28-10-2024 06:208.060.34
28-10-2024 06:108.340.37
28-10-2024 06:008.620.4
28-10-2024 05:508.890.44
28-10-2024 05:409.130.45
28-10-2024 05:309.340.46
28-10-2024 05:209.560.48
28-10-2024 05:109.730.49
28-10-2024 05:009.890.49
28-10-2024 04:5010.030.5
28-10-2024 04:4010.120.49
28-10-2024 04:3010.190.48
28-10-2024 04:2010.230.46
28-10-2024 04:1010.240.45
28-10-2024 04:0010.230.44
28-10-2024 03:5010.190.42
28-10-2024 03:4010.120.4
28-10-2024 03:3010.030.39
28-10-2024 03:209.90.37
28-10-2024 03:109.770.36
28-10-2024 03:009.620.36
28-10-2024 02:509.450.35
28-10-2024 02:409.260.34
28-10-2024 02:309.050.34
28-10-2024 02:208.830.33
28-10-2024 02:108.60.32
28-10-2024 02:008.360.32
28-10-2024 01:508.110.31
28-10-2024 01:407.860.3
28-10-2024 01:307.60.3
28-10-2024 01:207.330.28
28-10-2024 01:107.060.26
28-10-2024 01:006.80.25
28-10-2024 00:506.530.23
28-10-2024 00:406.270.22
28-10-2024 00:3060.2
28-10-2024 00:205.750.17
28-10-2024 00:105.50.15