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
19-07-2026 22:0011.370.07
 Next HWNext LW
10:56, 10.98 04:49, 2.28
Date Highest 2026 Date Lowest 2026
04-02 13.05m 18-01 2.59m
Time (GMT)ElevationResidual
30-10-2024 00:00--
29-10-2024 23:50--
29-10-2024 23:40--
29-10-2024 23:30--
29-10-2024 23:20--
29-10-2024 23:10--
29-10-2024 23:00--
29-10-2024 22:50--
29-10-2024 22:40--
29-10-2024 22:302.73-0.02
29-10-2024 22:202.910
29-10-2024 22:103.110.03
29-10-2024 22:003.330.04
29-10-2024 21:503.570.05
29-10-2024 21:403.810.06
29-10-2024 21:304.070.06
29-10-2024 21:204.340.06
29-10-2024 21:104.640.07
29-10-2024 21:004.940.07
29-10-2024 20:505.250.07
29-10-2024 20:405.570.08
29-10-2024 20:305.90.07
29-10-2024 20:206.240.07
29-10-2024 20:106.60.08
29-10-2024 20:006.960.1
29-10-2024 19:507.320.1
29-10-2024 19:407.670.09
29-10-2024 19:308.030.09
29-10-2024 19:208.370.08
29-10-2024 19:108.710.07
29-10-2024 19:009.030.06
29-10-2024 18:509.350.05
29-10-2024 18:409.640.04
29-10-2024 18:309.920.02
29-10-2024 18:2010.160
29-10-2024 18:1010.37-0.02
29-10-2024 18:0010.58-0.03
29-10-2024 17:5010.73-0.06
29-10-2024 17:4010.86-0.08
29-10-2024 17:3010.95-0.1
29-10-2024 17:2011-0.12
29-10-2024 17:1011.01-0.15
29-10-2024 17:0010.98-0.18
29-10-2024 16:5010.92-0.21
29-10-2024 16:4010.84-0.22
29-10-2024 16:3010.71-0.24
29-10-2024 16:2010.55-0.25
29-10-2024 16:1010.37-0.27
29-10-2024 16:0010.16-0.28
29-10-2024 15:509.93-0.29
29-10-2024 15:409.68-0.28
29-10-2024 15:309.42-0.28
29-10-2024 15:209.13-0.28
29-10-2024 15:108.84-0.27
29-10-2024 15:008.52-0.27
29-10-2024 14:508.19-0.27
29-10-2024 14:407.86-0.27
29-10-2024 14:307.52-0.27
29-10-2024 14:207.18-0.26
29-10-2024 14:106.83-0.26
29-10-2024 14:006.49-0.26
29-10-2024 13:506.16-0.24
29-10-2024 13:405.82-0.23
29-10-2024 13:305.5-0.21
29-10-2024 13:205.18-0.21
29-10-2024 13:104.87-0.2
29-10-2024 13:004.57-0.19
29-10-2024 12:504.26-0.2
29-10-2024 12:403.98-0.2
29-10-2024 12:303.71-0.21
29-10-2024 12:203.47-0.21
29-10-2024 12:103.25-0.21
29-10-2024 12:003.06-0.22
29-10-2024 11:502.89-0.22
29-10-2024 11:402.74-0.23
29-10-2024 11:302.62-0.24
29-10-2024 11:20--
29-10-2024 11:10--
29-10-2024 11:00--
29-10-2024 10:50--
29-10-2024 10:40--
29-10-2024 10:302.64-0.18
29-10-2024 10:202.75-0.16
29-10-2024 10:102.89-0.13
29-10-2024 10:003.07-0.1
29-10-2024 09:503.26-0.07
29-10-2024 09:403.46-0.05
29-10-2024 09:303.68-0.04
29-10-2024 09:203.92-0.03
29-10-2024 09:104.17-0.02
29-10-2024 09:004.44-0
29-10-2024 08:504.740.03
29-10-2024 08:405.020.03
29-10-2024 08:305.340.05
29-10-2024 08:205.650.06
29-10-2024 08:105.980.08
29-10-2024 08:006.320.1
29-10-2024 07:506.670.12
29-10-2024 07:407.010.13
29-10-2024 07:307.350.15
29-10-2024 07:207.690.16
29-10-2024 07:108.030.17
29-10-2024 07:008.370.18
29-10-2024 06:508.70.2
29-10-2024 06:409.020.21
29-10-2024 06:309.310.21
29-10-2024 06:209.580.21
29-10-2024 06:109.830.21
29-10-2024 06:0010.050.2
29-10-2024 05:5010.260.2
29-10-2024 05:4010.430.19
29-10-2024 05:3010.560.17
29-10-2024 05:2010.670.17
29-10-2024 05:1010.730.15
29-10-2024 05:0010.760.12
29-10-2024 04:5010.740.09
29-10-2024 04:4010.690.07
29-10-2024 04:3010.610.04
29-10-2024 04:2010.490
29-10-2024 04:1010.34-0.03
29-10-2024 04:0010.17-0.05
29-10-2024 03:509.98-0.07
29-10-2024 03:409.75-0.09
29-10-2024 03:309.52-0.1
29-10-2024 03:209.27-0.1
29-10-2024 03:109.01-0.1
29-10-2024 03:008.72-0.12
29-10-2024 02:508.43-0.11
29-10-2024 02:408.13-0.12
29-10-2024 02:307.82-0.12
29-10-2024 02:207.51-0.11
29-10-2024 02:107.19-0.12
29-10-2024 02:006.88-0.12
29-10-2024 01:506.56-0.12
29-10-2024 01:406.25-0.12
29-10-2024 01:305.94-0.11
29-10-2024 01:205.64-0.11
29-10-2024 01:105.34-0.11
29-10-2024 01:005.05-0.11
29-10-2024 00:504.78-0.11
29-10-2024 00:404.5-0.12
29-10-2024 00:304.24-0.13
29-10-2024 00:204.01-0.13
29-10-2024 00:103.77-0.15