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
13-06-2025 04:105.060.43
 Next HWNext LW
08:04, 11.17 14:15, 2.15
Date Highest 2025 Date Lowest 2025
31-03 13.51m 28-04 2.59m
Time (GMT)ElevationResidual
19-05-2025 00:008.920.03
18-05-2025 23:509.160.04
18-05-2025 23:409.380.06
18-05-2025 23:309.570.07
18-05-2025 23:209.740.08
18-05-2025 23:109.90.11
18-05-2025 23:0010.010.11
18-05-2025 22:5010.10.12
18-05-2025 22:4010.180.14
18-05-2025 22:3010.210.15
18-05-2025 22:2010.230.16
18-05-2025 22:1010.210.17
18-05-2025 22:0010.180.19
18-05-2025 21:5010.10.19
18-05-2025 21:4010.020.2
18-05-2025 21:309.910.21
18-05-2025 21:209.780.22
18-05-2025 21:109.630.23
18-05-2025 21:009.460.24
18-05-2025 20:509.260.25
18-05-2025 20:409.060.26
18-05-2025 20:308.850.27
18-05-2025 20:208.610.28
18-05-2025 20:108.370.28
18-05-2025 20:008.130.3
18-05-2025 19:507.870.31
18-05-2025 19:407.60.31
18-05-2025 19:307.340.33
18-05-2025 19:207.070.34
18-05-2025 19:106.80.35
18-05-2025 19:006.530.36
18-05-2025 18:506.260.37
18-05-2025 18:405.980.38
18-05-2025 18:305.730.39
18-05-2025 18:205.470.39
18-05-2025 18:105.210.39
18-05-2025 18:004.950.38
18-05-2025 17:504.70.35
18-05-2025 17:404.450.32
18-05-2025 17:304.210.28
18-05-2025 17:203.980.23
18-05-2025 17:103.770.17
18-05-2025 17:003.580.12
18-05-2025 16:503.410.07
18-05-2025 16:403.260.02
18-05-2025 16:303.13-0.04
18-05-2025 16:203.03-0.1
18-05-2025 16:102.96-0.14
18-05-2025 16:002.91-0.19
18-05-2025 15:502.91-0.22
18-05-2025 15:402.94-0.23
18-05-2025 15:303.01-0.23
18-05-2025 15:203.1-0.23
18-05-2025 15:103.23-0.22
18-05-2025 15:003.38-0.21
18-05-2025 14:503.55-0.19
18-05-2025 14:403.73-0.18
18-05-2025 14:303.94-0.17
18-05-2025 14:204.16-0.16
18-05-2025 14:104.4-0.15
18-05-2025 14:004.66-0.13
18-05-2025 13:504.93-0.12
18-05-2025 13:405.2-0.12
18-05-2025 13:305.49-0.1
18-05-2025 13:205.79-0.09
18-05-2025 13:106.1-0.08
18-05-2025 13:006.41-0.07
18-05-2025 12:506.72-0.07
18-05-2025 12:407.04-0.05
18-05-2025 12:307.36-0.04
18-05-2025 12:207.68-0.03
18-05-2025 12:107.98-0.01
18-05-2025 12:008.290
18-05-2025 11:508.580.02
18-05-2025 11:408.850.04
18-05-2025 11:309.110.05
18-05-2025 11:209.360.07
18-05-2025 11:109.570.08
18-05-2025 11:009.770.11
18-05-2025 10:509.930.12
18-05-2025 10:4010.080.14
18-05-2025 10:3010.180.14
18-05-2025 10:2010.270.17
18-05-2025 10:1010.320.18
18-05-2025 10:0010.320.17
18-05-2025 09:5010.30.18
18-05-2025 09:4010.250.18
18-05-2025 09:3010.170.18
18-05-2025 09:2010.060.18
18-05-2025 09:109.930.18
18-05-2025 09:009.770.17
18-05-2025 08:509.590.17
18-05-2025 08:409.390.16
18-05-2025 08:309.170.17
18-05-2025 08:208.940.16
18-05-2025 08:108.690.16
18-05-2025 08:008.430.16
18-05-2025 07:508.170.17
18-05-2025 07:407.880.16
18-05-2025 07:307.60.16
18-05-2025 07:207.310.17
18-05-2025 07:107.010.17
18-05-2025 07:006.720.18
18-05-2025 06:506.420.18
18-05-2025 06:406.120.18
18-05-2025 06:305.840.2
18-05-2025 06:205.560.21
18-05-2025 06:105.280.21
18-05-2025 06:0050.21
18-05-2025 05:504.730.2
18-05-2025 05:404.460.18
18-05-2025 05:304.20.16
18-05-2025 05:203.950.13
18-05-2025 05:103.720.1
18-05-2025 05:003.510.06
18-05-2025 04:503.310.03
18-05-2025 04:403.15-0.01
18-05-2025 04:303-0.05
18-05-2025 04:202.87-0.09
18-05-2025 04:102.78-0.13
18-05-2025 04:002.71-0.16
18-05-2025 03:502.66-0.2
18-05-2025 03:402.66-0.22
18-05-2025 03:302.7-0.22
18-05-2025 03:202.77-0.22
18-05-2025 03:102.87-0.21
18-05-2025 03:003-0.19
18-05-2025 02:503.16-0.18
18-05-2025 02:403.33-0.16
18-05-2025 02:303.53-0.14
18-05-2025 02:203.74-0.13
18-05-2025 02:103.97-0.11
18-05-2025 02:004.21-0.1
18-05-2025 01:504.46-0.1
18-05-2025 01:404.73-0.09
18-05-2025 01:305.02-0.08
18-05-2025 01:205.31-0.07
18-05-2025 01:105.61-0.06
18-05-2025 01:005.93-0.04
18-05-2025 00:506.25-0.03
18-05-2025 00:406.58-0.02
18-05-2025 00:306.91-0.01
18-05-2025 00:207.240.01
18-05-2025 00:107.570.03