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
12-06-2026 17:1010.290.03
 Next HWNext LW
04:50, 11.21 22:35, 2.52
Date Highest 2026 Date Lowest 2026
04-02 13.05m 18-01 2.59m
Time (GMT)ElevationResidual
11-05-2026 00:008.81-0.09
10-05-2026 23:508.7-0.07
10-05-2026 23:408.58-0.06
10-05-2026 23:308.45-0.05
10-05-2026 23:208.32-0.03
10-05-2026 23:108.18-0.01
10-05-2026 23:008.030.01
10-05-2026 22:507.860.03
10-05-2026 22:407.70.05
10-05-2026 22:307.530.07
10-05-2026 22:207.350.08
10-05-2026 22:107.170.1
10-05-2026 22:006.990.11
10-05-2026 21:506.810.13
10-05-2026 21:406.640.16
10-05-2026 21:306.450.18
10-05-2026 21:206.280.2
10-05-2026 21:106.110.23
10-05-2026 21:005.940.25
10-05-2026 20:505.780.28
10-05-2026 20:405.620.3
10-05-2026 20:305.470.33
10-05-2026 20:205.340.36
10-05-2026 20:105.190.37
10-05-2026 20:005.070.39
10-05-2026 19:504.930.39
10-05-2026 19:404.820.4
10-05-2026 19:304.70.4
10-05-2026 19:204.60.4
10-05-2026 19:104.50.38
10-05-2026 19:004.420.36
10-05-2026 18:504.350.35
10-05-2026 18:404.30.33
10-05-2026 18:304.260.31
10-05-2026 18:204.230.28
10-05-2026 18:104.230.26
10-05-2026 18:004.230.24
10-05-2026 17:504.250.21
10-05-2026 17:404.290.17
10-05-2026 17:304.350.15
10-05-2026 17:204.430.14
10-05-2026 17:104.520.11
10-05-2026 17:004.640.11
10-05-2026 16:504.770.09
10-05-2026 16:404.910.08
10-05-2026 16:305.070.07
10-05-2026 16:205.240.06
10-05-2026 16:105.420.06
10-05-2026 16:005.610.05
10-05-2026 15:505.80.04
10-05-2026 15:406.010.03
10-05-2026 15:306.210.02
10-05-2026 15:206.410.01
10-05-2026 15:106.63-0
10-05-2026 15:006.84-0.01
10-05-2026 14:507.05-0.02
10-05-2026 14:407.25-0.04
10-05-2026 14:307.45-0.05
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