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
20-04-2026 15:10--
 Next HWNext LW
21:00, 12.32 03:16, 1.43
Date Highest 2026 Date Lowest 2026
04-02 13.05m 18-01 2.59m
Time (GMT)ElevationResidual
20-04-2026 15:10--
20-04-2026 15:00--
20-04-2026 14:50--
20-04-2026 14:40--
20-04-2026 14:30--
20-04-2026 14:20--
20-04-2026 14:10--
20-04-2026 14:00--
20-04-2026 13:50--
20-04-2026 13:402.760.4
20-04-2026 13:303.070.41
20-04-2026 13:203.380.41
20-04-2026 13:103.710.4
20-04-2026 13:004.030.38
20-04-2026 12:504.370.35
20-04-2026 12:404.740.35
20-04-2026 12:305.120.34
20-04-2026 12:205.50.32
20-04-2026 12:105.90.3
20-04-2026 12:006.310.3
20-04-2026 11:506.730.3
20-04-2026 11:407.160.3
20-04-2026 11:307.610.31
20-04-2026 11:208.060.32
20-04-2026 11:108.510.33
20-04-2026 11:008.960.35
20-04-2026 10:509.380.32
20-04-2026 10:409.810.32
20-04-2026 10:3010.240.33
20-04-2026 10:2010.650.33
20-04-2026 10:1011.040.34
20-04-2026 10:0011.360.3
20-04-2026 09:5011.680.28
20-04-2026 09:4011.960.26
20-04-2026 09:3012.190.24
20-04-2026 09:2012.390.22
20-04-2026 09:1012.510.18
20-04-2026 09:0012.570.12
20-04-2026 08:5012.570.07
20-04-2026 08:4012.510.01
20-04-2026 08:3012.4-0.06
20-04-2026 08:2012.23-0.12
20-04-2026 08:1012.01-0.18
20-04-2026 08:0011.74-0.25
20-04-2026 07:5011.44-0.29
20-04-2026 07:4011.11-0.33
20-04-2026 07:3010.74-0.38
20-04-2026 07:2010.35-0.4
20-04-2026 07:109.95-0.42
20-04-2026 07:009.51-0.45
20-04-2026 06:509.08-0.46
20-04-2026 06:408.63-0.48
20-04-2026 06:308.17-0.49
20-04-2026 06:207.7-0.51
20-04-2026 06:107.23-0.53
20-04-2026 06:006.78-0.52
20-04-2026 05:506.33-0.52
20-04-2026 05:405.87-0.53
20-04-2026 05:305.4-0.55
20-04-2026 05:204.96-0.55
20-04-2026 05:104.51-0.56
20-04-2026 05:004.08-0.57
20-04-2026 04:503.66-0.57
20-04-2026 04:403.27-0.56
20-04-2026 04:302.9-0.53
20-04-2026 04:20--
20-04-2026 04:10--
20-04-2026 04:00--
20-04-2026 03:50--
20-04-2026 03:40--
20-04-2026 03:30--
20-04-2026 03:20--
20-04-2026 03:00--
20-04-2026 02:50--
20-04-2026 02:40--
20-04-2026 02:30--
20-04-2026 02:20--
20-04-2026 02:10--
20-04-2026 02:00--
20-04-2026 01:50--
20-04-2026 01:40--
20-04-2026 01:30--
20-04-2026 01:202.60.39
20-04-2026 01:102.90.4
20-04-2026 01:003.220.41
20-04-2026 00:503.540.41
20-04-2026 00:403.870.4
20-04-2026 00:304.210.39
20-04-2026 00:204.580.38
20-04-2026 00:104.950.38
20-04-2026 00:005.340.38
19-04-2026 23:505.730.37
19-04-2026 23:406.130.36
19-04-2026 23:306.550.36
19-04-2026 23:206.990.36
19-04-2026 23:107.420.36
19-04-2026 23:007.880.37
19-04-2026 22:508.320.36
19-04-2026 22:408.80.38
19-04-2026 22:309.230.35
19-04-2026 22:209.640.3
19-04-2026 22:1010.070.29
19-04-2026 22:0010.490.28
19-04-2026 21:5010.90.27
19-04-2026 21:4011.270.24
19-04-2026 21:3011.60.21
19-04-2026 21:2011.890.17
19-04-2026 21:1012.160.15
19-04-2026 21:0012.390.13
19-04-2026 20:5012.550.1
19-04-2026 20:4012.660.07
19-04-2026 20:3012.690.02
19-04-2026 20:2012.67-0.03
19-04-2026 20:1012.6-0.07
19-04-2026 20:0012.44-0.14
19-04-2026 19:5012.25-0.19
19-04-2026 19:4011.99-0.25
19-04-2026 19:3011.7-0.3
19-04-2026 19:2011.37-0.33
19-04-2026 19:1011.01-0.37
19-04-2026 18:5010.22-0.41
19-04-2026 18:409.77-0.44
19-04-2026 18:309.32-0.45
19-04-2026 18:208.85-0.47
19-04-2026 18:108.38-0.48
19-04-2026 18:007.89-0.51
19-04-2026 17:507.41-0.52
19-04-2026 17:406.94-0.52
19-04-2026 17:306.45-0.53
19-04-2026 17:205.98-0.53
19-04-2026 17:105.5-0.54
19-04-2026 16:504.58-0.53
19-04-2026 16:404.13-0.53
19-04-2026 16:303.7-0.52
19-04-2026 16:102.91-0.47
19-04-2026 16:00--
19-04-2026 15:50--
19-04-2026 15:40--
19-04-2026 15:30--
19-04-2026 15:20--
19-04-2026 15:10--
19-04-2026 15:00--
19-04-2026 14:50--
19-04-2026 14:40--
19-04-2026 14:30--
19-04-2026 14:20--
19-04-2026 14:10--
19-04-2026 14:00--
19-04-2026 13:50--
19-04-2026 13:40--
19-04-2026 13:30--
19-04-2026 13:20--
19-04-2026 13:10--
19-04-2026 13:002.670.5
19-04-2026 12:502.990.49
19-04-2026 12:403.320.49
19-04-2026 12:303.650.47
19-04-2026 12:203.990.45
19-04-2026 12:104.350.42
19-04-2026 12:004.740.42
19-04-2026 11:505.130.41
19-04-2026 11:405.530.4
19-04-2026 11:305.930.39
19-04-2026 11:206.360.39
19-04-2026 11:106.80.39
19-04-2026 11:007.240.39
19-04-2026 10:507.690.4
19-04-2026 10:408.170.42
19-04-2026 10:308.620.41
19-04-2026 10:209.090.42
19-04-2026 10:109.530.39
19-04-2026 10:009.960.36
19-04-2026 09:5010.390.34
19-04-2026 09:4010.830.35
19-04-2026 09:3011.230.33
19-04-2026 09:2011.590.3
19-04-2026 09:1011.910.26
19-04-2026 09:0012.20.22
19-04-2026 08:5012.450.2
19-04-2026 08:4012.650.17
19-04-2026 08:3012.780.13
19-04-2026 08:2012.840.06
19-04-2026 08:1012.850
19-04-2026 08:0012.79-0.06
19-04-2026 07:5012.66-0.13
19-04-2026 07:4012.48-0.2
19-04-2026 07:3012.24-0.27
19-04-2026 07:2011.96-0.34
19-04-2026 07:1011.66-0.38
19-04-2026 07:0011.3-0.42
19-04-2026 06:5010.91-0.46
19-04-2026 06:4010.51-0.48
19-04-2026 06:3010.09-0.5
19-04-2026 06:209.64-0.52
19-04-2026 06:109.18-0.54
19-04-2026 06:008.71-0.54
19-04-2026 05:508.23-0.56
19-04-2026 05:407.74-0.58
19-04-2026 05:307.25-0.59
19-04-2026 05:206.78-0.58
19-04-2026 05:106.29-0.59
19-04-2026 05:005.82-0.59
19-04-2026 04:505.34-0.6
19-04-2026 04:404.88-0.59
19-04-2026 04:304.41-0.6
19-04-2026 04:203.97-0.58
19-04-2026 04:103.54-0.57
19-04-2026 04:003.14-0.55
19-04-2026 03:502.76-0.51
19-04-2026 03:40--
19-04-2026 03:30--
19-04-2026 03:20--
19-04-2026 03:10--
19-04-2026 03:00--
19-04-2026 02:50--
19-04-2026 02:40--
19-04-2026 02:30--
19-04-2026 02:20--
19-04-2026 02:10--
19-04-2026 02:00--
19-04-2026 01:50--
19-04-2026 01:40--
19-04-2026 01:30--
19-04-2026 01:20--
19-04-2026 01:10--
19-04-2026 01:00--
19-04-2026 00:50--
19-04-2026 00:40--
19-04-2026 00:302.880.45
19-04-2026 00:203.20.45
19-04-2026 00:103.530.44
19-04-2026 00:003.870.43
18-04-2026 23:504.220.41
18-04-2026 23:404.580.41
18-04-2026 23:304.960.4
18-04-2026 23:205.360.4
18-04-2026 23:105.750.4
18-04-2026 23:006.160.39
18-04-2026 22:506.590.39
18-04-2026 22:407.030.4
18-04-2026 22:307.470.39
18-04-2026 22:207.920.39
18-04-2026 22:108.370.38
18-04-2026 22:008.850.38
18-04-2026 21:509.280.34
18-04-2026 21:409.690.29
18-04-2026 21:3010.130.26
18-04-2026 21:2010.560.25
18-04-2026 21:1010.970.23
18-04-2026 21:0011.330.18
18-04-2026 20:5011.670.14
18-04-2026 20:4011.960.09
18-04-2026 20:3012.230.07
18-04-2026 20:2012.450.05
18-04-2026 20:1012.610.01
18-04-2026 20:0012.71-0.03
18-04-2026 19:5012.73-0.08
18-04-2026 19:4012.71-0.12
18-04-2026 19:3012.61-0.17
18-04-2026 19:2012.46-0.23
18-04-2026 19:1012.25-0.28
18-04-2026 19:0011.99-0.33
18-04-2026 18:5011.69-0.37
18-04-2026 18:4011.36-0.4
18-04-2026 18:3010.98-0.44
18-04-2026 18:2010.58-0.46
18-04-2026 18:1010.18-0.46
18-04-2026 18:009.73-0.49
18-04-2026 17:509.28-0.49
18-04-2026 17:408.82-0.49
18-04-2026 17:308.33-0.51
18-04-2026 17:207.82-0.54
18-04-2026 17:107.34-0.54
18-04-2026 17:006.87-0.53
18-04-2026 16:506.37-0.54
18-04-2026 16:405.89-0.54
18-04-2026 16:305.4-0.55
18-04-2026 16:204.94-0.54
18-04-2026 16:104.47-0.53
18-04-2026 16:004.03-0.5
18-04-2026 15:503.6-0.48
18-04-2026 15:403.19-0.44
18-04-2026 15:302.81-0.41
18-04-2026 15:20--
18-04-2026 15:10--