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
15-01-2025 21:5010.07-0
 Next HWNext LW
08:31, 11.84 02:29, 2.27
Date Highest 2025 Date Lowest 2025
15-01 11.85m 15-01 2.65m
Time (GMT)ElevationResidual
10-11-2024 00:009.12-0.25
09-11-2024 23:509.08-0.26
09-11-2024 23:409.01-0.26
09-11-2024 23:308.94-0.25
09-11-2024 23:208.85-0.25
09-11-2024 23:108.74-0.25
09-11-2024 23:008.63-0.23
09-11-2024 22:508.49-0.23
09-11-2024 22:408.36-0.22
09-11-2024 22:308.21-0.2
09-11-2024 22:208.04-0.19
09-11-2024 22:107.86-0.18
09-11-2024 22:007.69-0.16
09-11-2024 21:507.5-0.15
09-11-2024 21:407.3-0.14
09-11-2024 21:307.11-0.12
09-11-2024 21:206.91-0.11
09-11-2024 21:106.7-0.1
09-11-2024 21:006.49-0.09
09-11-2024 20:506.29-0.08
09-11-2024 20:406.09-0.07
09-11-2024 20:305.89-0.06
09-11-2024 20:205.7-0.04
09-11-2024 20:105.5-0.04
09-11-2024 20:005.33-0.02
09-11-2024 19:505.15-0.01
09-11-2024 19:404.980.01
09-11-2024 19:304.820.02
09-11-2024 19:204.670.02
09-11-2024 19:104.530.04
09-11-2024 19:004.390.03
09-11-2024 18:504.270.03
09-11-2024 18:404.170.04
09-11-2024 18:304.070.04
09-11-2024 18:2040.04
09-11-2024 18:103.940.03
09-11-2024 18:003.890.03
09-11-2024 17:503.860.03
09-11-2024 17:403.850.02
09-11-2024 17:303.850.01
09-11-2024 17:203.88-0
09-11-2024 17:103.92-0.01
09-11-2024 17:003.99-0.02
09-11-2024 16:504.07-0.03
09-11-2024 16:404.17-0.03
09-11-2024 16:304.3-0.03
09-11-2024 16:204.44-0.03
09-11-2024 16:104.62-0.02
09-11-2024 16:004.79-0.02
09-11-2024 15:504.98-0.02
09-11-2024 15:405.19-0.01
09-11-2024 15:305.41-0.01
09-11-2024 15:205.63-0
09-11-2024 15:105.86-0.01
09-11-2024 15:006.1-0.01
09-11-2024 14:506.34-0.02
09-11-2024 14:406.58-0.03
09-11-2024 14:306.83-0.03
09-11-2024 14:207.07-0.04
09-11-2024 14:107.32-0.04
09-11-2024 14:007.55-0.04
09-11-2024 13:507.78-0.06
09-11-2024 13:408-0.07
09-11-2024 13:308.21-0.08
09-11-2024 13:208.4-0.09
09-11-2024 13:108.59-0.1
09-11-2024 13:008.75-0.12
09-11-2024 12:508.91-0.12
09-11-2024 12:409.04-0.15
09-11-2024 12:309.16-0.15
09-11-2024 12:209.26-0.16
09-11-2024 12:109.33-0.18
09-11-2024 12:009.39-0.19
09-11-2024 11:509.42-0.2
09-11-2024 11:409.43-0.21
09-11-2024 11:309.42-0.23
09-11-2024 11:209.4-0.24
09-11-2024 11:109.35-0.25
09-11-2024 11:009.29-0.25
09-11-2024 10:509.22-0.25
09-11-2024 10:409.13-0.25
09-11-2024 10:309.03-0.25
09-11-2024 10:208.92-0.23
09-11-2024 10:108.79-0.22
09-11-2024 10:008.66-0.21
09-11-2024 09:508.51-0.19
09-11-2024 09:408.36-0.17
09-11-2024 09:308.19-0.16
09-11-2024 09:208.03-0.13
09-11-2024 09:107.84-0.12
09-11-2024 09:007.65-0.1
09-11-2024 08:507.48-0.07
09-11-2024 08:407.28-0.05
09-11-2024 08:307.09-0.02
09-11-2024 08:206.890
09-11-2024 08:106.690.03
09-11-2024 08:006.490.05
09-11-2024 07:506.290.08
09-11-2024 07:406.10.11
09-11-2024 07:305.90.13
09-11-2024 07:205.710.16
09-11-2024 07:105.520.17
09-11-2024 07:005.350.21
09-11-2024 06:505.180.22
09-11-2024 06:405.010.24
09-11-2024 06:304.840.25
09-11-2024 06:204.680.25
09-11-2024 06:104.550.26
09-11-2024 06:004.40.24
09-11-2024 05:504.280.24
09-11-2024 05:404.170.23
09-11-2024 05:304.070.21
09-11-2024 05:2040.2
09-11-2024 05:103.940.18
09-11-2024 05:003.90.16
09-11-2024 04:503.890.15
09-11-2024 04:403.880.12
09-11-2024 04:303.90.1
09-11-2024 04:203.940.08
09-11-2024 04:104.020.07
09-11-2024 04:004.110.05
09-11-2024 03:504.220.04
09-11-2024 03:404.350.03
09-11-2024 03:304.510.03
09-11-2024 03:204.680.02
09-11-2024 03:104.860.01
09-11-2024 03:005.05-0
09-11-2024 02:505.26-0.02
09-11-2024 02:405.48-0.03
09-11-2024 02:305.71-0.05
09-11-2024 02:205.94-0.06
09-11-2024 02:106.18-0.09
09-11-2024 02:006.43-0.1
09-11-2024 01:506.68-0.12
09-11-2024 01:406.93-0.13
09-11-2024 01:307.18-0.15
09-11-2024 01:207.43-0.16
09-11-2024 01:107.67-0.17
09-11-2024 01:007.91-0.19
09-11-2024 00:508.13-0.2
09-11-2024 00:408.34-0.22
09-11-2024 00:308.55-0.22
09-11-2024 00:208.72-0.23
09-11-2024 00:108.88-0.24