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
14-07-2026 12:20--
 Next HWNext LW
18:59, 12.1 01:29, 1.55
Date Highest 2026 Date Lowest 2026
04-02 13.05m 18-01 2.59m
Time (GMT)ElevationResidual
16-04-2026 00:00--
15-04-2026 23:50--
15-04-2026 23:40--
15-04-2026 23:30--
15-04-2026 23:20--
15-04-2026 23:10--
15-04-2026 23:002.610.27
15-04-2026 22:502.80.27
15-04-2026 22:403.020.28
15-04-2026 22:303.260.29
15-04-2026 22:203.510.3
15-04-2026 22:103.780.32
15-04-2026 22:004.060.33
15-04-2026 21:504.350.35
15-04-2026 21:404.660.37
15-04-2026 21:304.990.39
15-04-2026 21:205.330.41
15-04-2026 21:105.670.43
15-04-2026 21:006.030.45
15-04-2026 20:506.390.45
15-04-2026 20:406.760.46
15-04-2026 20:307.140.47
15-04-2026 20:207.530.47
15-04-2026 20:107.910.46
15-04-2026 20:008.290.45
15-04-2026 19:508.670.44
15-04-2026 19:409.020.39
15-04-2026 19:309.370.37
15-04-2026 19:209.720.35
15-04-2026 19:1010.060.34
15-04-2026 19:0010.390.35
15-04-2026 18:5010.680.34
15-04-2026 18:4010.920.31
15-04-2026 18:3011.130.3
15-04-2026 18:2011.320.29
15-04-2026 18:1011.470.29
15-04-2026 18:0011.590.29
15-04-2026 17:5011.650.3
15-04-2026 17:4011.670.29
15-04-2026 17:3011.650.29
15-04-2026 17:2011.590.29
15-04-2026 17:1011.450.25
15-04-2026 17:0011.30.24
15-04-2026 16:5011.110.22
15-04-2026 16:4010.890.21
15-04-2026 16:3010.620.17
15-04-2026 16:2010.340.14
15-04-2026 16:1010.060.15
15-04-2026 16:009.730.12
15-04-2026 15:509.390.11
15-04-2026 15:409.040.1
15-04-2026 15:308.660.07
15-04-2026 15:208.280.04
15-04-2026 15:107.90.04
15-04-2026 15:007.50.01
15-04-2026 14:507.09-0.01
15-04-2026 14:406.71-0
15-04-2026 14:306.330.01
15-04-2026 14:205.970.04
15-04-2026 14:105.60.06
15-04-2026 14:005.240.07
15-04-2026 13:504.870.08
15-04-2026 13:404.520.08
15-04-2026 13:304.190.1
15-04-2026 13:203.870.11
15-04-2026 13:103.570.12
15-04-2026 13:003.290.12
15-04-2026 12:503.030.12
15-04-2026 12:402.810.12
15-04-2026 12:30--
15-04-2026 12:20--
15-04-2026 12:10--
15-04-2026 12:00--
15-04-2026 11:50--
15-04-2026 11:40--
15-04-2026 11:30--
15-04-2026 11:20--
15-04-2026 11:10--
15-04-2026 11:00--
15-04-2026 10:50--
15-04-2026 10:402.680.16
15-04-2026 10:302.880.19
15-04-2026 10:203.10.23
15-04-2026 10:103.340.26
15-04-2026 10:003.570.29
15-04-2026 09:503.840.32
15-04-2026 09:404.110.34
15-04-2026 09:204.690.4
15-04-2026 09:105.010.43
15-04-2026 09:005.340.46
15-04-2026 08:505.680.48
15-04-2026 08:406.030.51
15-04-2026 08:306.380.52
15-04-2026 08:206.740.53
15-04-2026 08:107.130.56
15-04-2026 08:007.510.57
15-04-2026 07:507.880.57
15-04-2026 07:408.250.56
15-04-2026 07:308.630.56
15-04-2026 07:208.960.51
15-04-2026 07:109.310.49
15-04-2026 07:009.630.47
15-04-2026 06:509.950.45
15-04-2026 06:4010.260.45
15-04-2026 06:3010.550.44
15-04-2026 06:2010.790.43
15-04-2026 06:1011.010.42
15-04-2026 06:0011.180.4
15-04-2026 05:5011.310.38
15-04-2026 05:4011.420.37
15-04-2026 05:3011.480.35
15-04-2026 05:2011.50.34
15-04-2026 05:1011.470.31
15-04-2026 05:0011.40.28
15-04-2026 04:5011.310.26
15-04-2026 04:4011.170.24
15-04-2026 04:30110.21
15-04-2026 04:2010.80.19
15-04-2026 04:1010.560.15
15-04-2026 04:0010.30.12
15-04-2026 03:5010.040.11
15-04-2026 03:409.760.11
15-04-2026 03:309.460.1
15-04-2026 03:209.140.08
15-04-2026 03:108.820.08
15-04-2026 03:008.470.06
15-04-2026 02:508.10.05
15-04-2026 02:407.740.04
15-04-2026 02:307.380.04
15-04-2026 02:207.020.04
15-04-2026 02:106.650.04
15-04-2026 02:006.310.05
15-04-2026 01:505.960.08
15-04-2026 01:405.630.1
15-04-2026 01:305.30.11
15-04-2026 01:204.970.12
15-04-2026 01:104.650.13
15-04-2026 01:004.340.13
15-04-2026 00:504.060.13
15-04-2026 00:403.780.12
15-04-2026 00:303.530.1
15-04-2026 00:203.30.09
15-04-2026 00:103.080.05