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
24-06-2025 23:20--
 Next HWNext LW
06:32, 11.78 12:48, 1.87
Date Highest 2025 Date Lowest 2025
31-03 13.51m 28-04 2.59m
Time (GMT)ElevationResidual
24-06-2025 23:20--
24-06-2025 23:102.790.09
24-06-2025 23:003.020.1
24-06-2025 22:503.260.11
24-06-2025 22:403.520.11
24-06-2025 22:303.790.12
24-06-2025 22:204.070.12
24-06-2025 22:104.370.12
24-06-2025 22:004.680.12
24-06-2025 21:5050.13
24-06-2025 21:405.340.14
24-06-2025 21:305.680.14
24-06-2025 21:206.030.14
24-06-2025 21:106.40.14
24-06-2025 21:006.770.15
24-06-2025 20:507.150.15
24-06-2025 20:407.540.16
24-06-2025 20:307.930.16
24-06-2025 20:208.330.17
24-06-2025 20:108.720.17
24-06-2025 20:009.080.15
24-06-2025 19:509.450.15
24-06-2025 19:409.820.15
24-06-2025 19:3010.170.16
24-06-2025 19:2010.490.16
24-06-2025 19:1010.790.15
24-06-2025 19:0011.060.16
24-06-2025 18:5011.280.14
24-06-2025 18:4011.460.12
24-06-2025 18:3011.630.13
24-06-2025 18:2011.740.13
24-06-2025 18:1011.80.12
24-06-2025 18:0011.810.11
24-06-2025 17:5011.790.1
24-06-2025 17:4011.70.08
24-06-2025 17:3011.590.06
24-06-2025 17:2011.430.05
24-06-2025 17:1011.230.04
24-06-2025 17:00110.03
24-06-2025 16:5010.740.02
24-06-2025 16:4010.460.02
24-06-2025 16:3010.160.02
24-06-2025 16:209.830.01
24-06-2025 16:109.480.01
24-06-2025 16:009.130.02
24-06-2025 15:508.750.02
24-06-2025 15:408.370.01
24-06-2025 15:307.980.01
24-06-2025 15:207.590.01
24-06-2025 15:107.19-0
24-06-2025 15:006.79-0.01
24-06-2025 14:506.41-0.01
24-06-2025 14:406.030
24-06-2025 14:305.660.01
24-06-2025 14:205.280
24-06-2025 14:104.92-0
24-06-2025 14:004.56-0.01
24-06-2025 13:504.21-0.02
24-06-2025 13:403.89-0.02
24-06-2025 13:303.56-0.04
24-06-2025 13:203.26-0.06
24-06-2025 13:103.01-0.06
24-06-2025 13:002.77-0.06
24-06-2025 12:50--
24-06-2025 12:40--
24-06-2025 12:30--
24-06-2025 12:20--
24-06-2025 12:10--
24-06-2025 12:00--
24-06-2025 11:50--
24-06-2025 11:40--
24-06-2025 11:30--
24-06-2025 11:20--
24-06-2025 11:10--
24-06-2025 11:00--
24-06-2025 10:502.750.17
24-06-2025 10:402.960.2
24-06-2025 10:303.190.22
24-06-2025 10:203.430.24
24-06-2025 10:103.690.26
24-06-2025 10:003.960.27
24-06-2025 09:504.240.28
24-06-2025 09:404.530.28
24-06-2025 09:304.850.29
24-06-2025 09:205.170.3
24-06-2025 09:105.510.31
24-06-2025 09:005.850.3
24-06-2025 08:506.20.3
24-06-2025 08:406.560.3
24-06-2025 08:306.930.3
24-06-2025 08:207.310.3
24-06-2025 08:107.70.3
24-06-2025 08:008.080.29
24-06-2025 07:508.470.3
24-06-2025 07:408.840.28
24-06-2025 07:309.20.26
24-06-2025 07:209.570.27
24-06-2025 07:109.910.26
24-06-2025 07:0010.250.26
24-06-2025 06:5010.560.26
24-06-2025 06:4010.840.26
24-06-2025 06:3011.080.26
24-06-2025 06:2011.270.23
24-06-2025 06:1011.460.24
24-06-2025 06:0011.610.25
24-06-2025 05:5011.690.24
24-06-2025 05:4011.740.23
24-06-2025 05:3011.720.2
24-06-2025 05:2011.660.18
24-06-2025 05:1011.570.16
24-06-2025 05:0011.430.14
24-06-2025 04:5011.270.13
24-06-2025 04:4011.060.11
24-06-2025 04:3010.810.09
24-06-2025 04:2010.550.07
24-06-2025 04:1010.270.07
24-06-2025 04:009.960.07
24-06-2025 03:509.640.07
24-06-2025 03:409.30.07
24-06-2025 03:308.960.08
24-06-2025 03:208.60.08
24-06-2025 03:108.240.08
24-06-2025 03:007.870.09
24-06-2025 02:507.50.09
24-06-2025 02:407.130.09
24-06-2025 02:306.750.08
24-06-2025 02:206.380.09
24-06-2025 02:106.030.11
24-06-2025 02:005.70.13
24-06-2025 01:505.340.14
24-06-2025 01:404.990.13
24-06-2025 01:304.660.13
24-06-2025 01:204.340.13
24-06-2025 01:104.020.11
24-06-2025 01:003.720.1
24-06-2025 00:503.430.08
24-06-2025 00:403.190.08
24-06-2025 00:302.960.07
24-06-2025 00:202.770.06
24-06-2025 00:102.60.05
24-06-2025 00:00--
23-06-2025 23:50--
23-06-2025 23:40--
23-06-2025 23:30--
23-06-2025 23:20--
23-06-2025 23:10--
23-06-2025 23:00--
23-06-2025 22:50--
23-06-2025 22:40--
23-06-2025 22:302.680.14
23-06-2025 22:202.850.16
23-06-2025 22:103.030.19
23-06-2025 22:003.250.22
23-06-2025 21:503.480.25
23-06-2025 21:403.720.26
23-06-2025 21:303.980.29
23-06-2025 21:204.250.31
23-06-2025 21:104.530.33
23-06-2025 21:004.820.34
23-06-2025 20:505.140.36
23-06-2025 20:405.450.37
23-06-2025 20:305.770.37
23-06-2025 20:206.120.38
23-06-2025 20:106.450.37
23-06-2025 20:006.810.37
23-06-2025 19:507.160.35
23-06-2025 19:407.520.35
23-06-2025 19:307.880.34
23-06-2025 19:208.250.33
23-06-2025 19:108.590.29
23-06-2025 19:008.940.27
23-06-2025 18:509.280.26
23-06-2025 18:409.60.23
23-06-2025 18:309.920.22
23-06-2025 18:2010.220.21
23-06-2025 18:1010.460.18
23-06-2025 18:0010.710.18
23-06-2025 17:5010.90.16
23-06-2025 17:4011.050.13
23-06-2025 17:3011.190.12
23-06-2025 17:2011.280.1
23-06-2025 17:1011.330.09
23-06-2025 17:0011.320.05
23-06-2025 16:5011.280.03
23-06-2025 16:4011.20.01
23-06-2025 16:3011.09-0.02
23-06-2025 16:2010.94-0.03
23-06-2025 16:1010.75-0.06
23-06-2025 16:0010.54-0.08
23-06-2025 15:5010.31-0.09
23-06-2025 15:4010.05-0.1
23-06-2025 15:309.79-0.09
23-06-2025 15:209.48-0.1
23-06-2025 15:109.18-0.1
23-06-2025 15:008.87-0.09
23-06-2025 14:508.53-0.09
23-06-2025 14:408.19-0.09
23-06-2025 14:307.85-0.08
23-06-2025 14:207.5-0.08
23-06-2025 14:107.15-0.07
23-06-2025 14:006.79-0.06
23-06-2025 13:506.44-0.06
23-06-2025 13:406.09-0.05
23-06-2025 13:305.76-0.02
23-06-2025 13:205.42-0.01
23-06-2025 13:105.10.01
23-06-2025 13:004.780.02
23-06-2025 12:504.470.02
23-06-2025 12:404.170.03
23-06-2025 12:303.890.04
23-06-2025 12:203.610.03
23-06-2025 12:103.370.03
23-06-2025 12:003.150.04
23-06-2025 11:502.950.04
23-06-2025 11:402.780.04
23-06-2025 11:30--
23-06-2025 11:20--
23-06-2025 11:10--
23-06-2025 11:00--
23-06-2025 10:50--
23-06-2025 10:40--
23-06-2025 10:30--
23-06-2025 10:20--
23-06-2025 10:102.610.15
23-06-2025 10:002.750.19
23-06-2025 09:502.910.22
23-06-2025 09:403.080.25
23-06-2025 09:303.280.28
23-06-2025 09:203.50.31
23-06-2025 09:103.720.33
23-06-2025 09:003.980.36
23-06-2025 08:504.250.38
23-06-2025 08:404.510.39
23-06-2025 08:304.810.41
23-06-2025 08:205.110.41
23-06-2025 08:105.420.42
23-06-2025 08:005.740.42
23-06-2025 07:506.070.41
23-06-2025 07:406.410.4
23-06-2025 07:306.760.39
23-06-2025 07:207.120.38
23-06-2025 07:107.490.37
23-06-2025 07:007.850.36
23-06-2025 06:508.220.34
23-06-2025 06:408.560.31
23-06-2025 06:308.90.28
23-06-2025 06:209.240.26
23-06-2025 06:109.560.25
23-06-2025 06:009.860.23
23-06-2025 05:5010.150.21
23-06-2025 05:4010.390.18
23-06-2025 05:3010.640.19
23-06-2025 05:2010.830.16
23-06-2025 05:1010.980.13
23-06-2025 05:0011.10.12
23-06-2025 04:5011.20.11
23-06-2025 04:4011.250.1
23-06-2025 04:3011.260.09
23-06-2025 04:2011.220.06
23-06-2025 04:1011.170.07
23-06-2025 04:0011.060.04
23-06-2025 03:5010.930.04
23-06-2025 03:4010.770.04
23-06-2025 03:3010.570.02
23-06-2025 03:2010.350.01
23-06-2025 03:1010.10.01
23-06-2025 03:009.840
23-06-2025 02:509.570.01
23-06-2025 02:409.270
23-06-2025 02:308.960.01
23-06-2025 02:208.660.02
23-06-2025 02:108.340.03
23-06-2025 02:0080.03
23-06-2025 01:507.670.05
23-06-2025 01:407.330.05
23-06-2025 01:306.990.06
23-06-2025 01:206.660.07
23-06-2025 01:106.320.08
23-06-2025 01:0060.1
23-06-2025 00:505.70.13
23-06-2025 00:405.40.16
23-06-2025 00:305.090.17
23-06-2025 00:204.810.19
23-06-2025 00:104.520.2
23-06-2025 00:004.240.2
22-06-2025 23:503.990.2
22-06-2025 23:403.740.19
22-06-2025 23:303.530.19
22-06-2025 23:203.340.19
22-06-2025 23:103.160.18