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
08-10-2026 10:102.86-0.12
 Next HWNext LW
17:24, 11.8 11:24, 2.15
Date Highest 2026 Date Lowest 2026
29-09 13.09m 18-01 2.59m
Time (GMT)ElevationResidual
08-10-2026 10:102.86-0.12
08-10-2026 10:003.07-0.12
08-10-2026 09:503.31-0.12
08-10-2026 09:403.56-0.12
08-10-2026 09:303.82-0.13
08-10-2026 09:204.1-0.13
08-10-2026 09:104.38-0.13
08-10-2026 09:004.69-0.12
08-10-2026 08:505.01-0.1
08-10-2026 08:405.34-0.1
08-10-2026 08:305.67-0.09
08-10-2026 08:206.01-0.08
08-10-2026 08:106.37-0.06
08-10-2026 08:006.73-0.05
08-10-2026 07:507.1-0.03
08-10-2026 07:407.480
08-10-2026 07:307.850.01
08-10-2026 07:208.210.02
08-10-2026 07:108.580.05
08-10-2026 07:008.930.05
08-10-2026 06:509.290.08
08-10-2026 06:409.630.1
08-10-2026 06:309.930.09
08-10-2026 06:2010.210.09
08-10-2026 06:1010.460.09
08-10-2026 06:0010.680.08
08-10-2026 05:5010.880.09
08-10-2026 05:4011.040.09
08-10-2026 05:3011.160.08
08-10-2026 05:2011.210.05
08-10-2026 05:1011.230.02
08-10-2026 05:0011.210
08-10-2026 04:5011.14-0.03
08-10-2026 04:4011.04-0.06
08-10-2026 04:3010.89-0.09
08-10-2026 04:2010.71-0.12
08-10-2026 04:1010.48-0.16
08-10-2026 04:0010.24-0.18
08-10-2026 03:509.97-0.19
08-10-2026 03:409.69-0.19
08-10-2026 03:309.38-0.21
08-10-2026 03:209.06-0.21
08-10-2026 03:108.73-0.2
08-10-2026 03:008.38-0.2
08-10-2026 02:508.02-0.2
08-10-2026 02:407.66-0.19
08-10-2026 02:307.3-0.18
08-10-2026 02:206.93-0.18
08-10-2026 02:106.57-0.16
08-10-2026 02:006.21-0.15
08-10-2026 01:505.87-0.14
08-10-2026 01:405.52-0.13
08-10-2026 01:305.18-0.12
08-10-2026 01:204.85-0.12
08-10-2026 01:104.52-0.13
08-10-2026 01:004.22-0.12
08-10-2026 00:503.93-0.13
08-10-2026 00:403.64-0.15
08-10-2026 00:303.37-0.18
08-10-2026 00:203.13-0.2
08-10-2026 00:102.91-0.21
08-10-2026 00:002.72-0.23
07-10-2026 23:50--
07-10-2026 23:40--
07-10-2026 23:30--
07-10-2026 23:20--
07-10-2026 23:10--
07-10-2026 23:00--
07-10-2026 22:50--
07-10-2026 22:40--
07-10-2026 22:30--
07-10-2026 22:20--
07-10-2026 22:10--
07-10-2026 22:002.7-0.27
07-10-2026 21:502.88-0.26
07-10-2026 21:403.07-0.25
07-10-2026 21:303.28-0.23
07-10-2026 21:203.5-0.22
07-10-2026 21:103.74-0.2
07-10-2026 21:003.99-0.19
07-10-2026 20:504.25-0.18
07-10-2026 20:404.51-0.18
07-10-2026 20:304.79-0.16
07-10-2026 20:205.09-0.14
07-10-2026 20:105.4-0.12
07-10-2026 20:005.7-0.11
07-10-2026 19:506.02-0.1
07-10-2026 19:406.34-0.08
07-10-2026 19:306.68-0.06
07-10-2026 19:207.02-0.04
07-10-2026 19:107.36-0.01
07-10-2026 19:007.70.01
07-10-2026 18:508.050.04
07-10-2026 18:408.380.05
07-10-2026 18:308.710.07
07-10-2026 18:209.030.08
07-10-2026 18:109.340.1
07-10-2026 18:009.640.12
07-10-2026 17:509.910.13
07-10-2026 17:4010.150.14
07-10-2026 17:3010.370.15
07-10-2026 17:2010.550.15
07-10-2026 17:1010.730.17
07-10-2026 17:0010.860.18
07-10-2026 16:5010.960.19
07-10-2026 16:4011.010.19
07-10-2026 16:3011.020.17
07-10-2026 16:20110.17
07-10-2026 16:1010.940.16
07-10-2026 16:0010.850.14
07-10-2026 15:5010.720.13
07-10-2026 15:4010.560.12
07-10-2026 15:3010.370.1
07-10-2026 15:2010.150.08
07-10-2026 15:109.930.08
07-10-2026 15:009.670.07
07-10-2026 14:509.410.07
07-10-2026 14:409.110.06
07-10-2026 14:308.810.06
07-10-2026 14:208.50.06
07-10-2026 14:108.170.05
07-10-2026 14:007.830.03
07-10-2026 13:507.50.03
07-10-2026 13:407.160.02
07-10-2026 13:306.810
07-10-2026 13:206.490.01
07-10-2026 13:106.15-0.01
07-10-2026 13:005.84-0
07-10-2026 12:505.52-0.02
07-10-2026 12:405.2-0.04
07-10-2026 12:304.9-0.06
07-10-2026 12:204.61-0.08
07-10-2026 12:104.33-0.11
07-10-2026 12:004.06-0.15
07-10-2026 11:503.8-0.19
07-10-2026 11:303.35-0.28
07-10-2026 11:203.16-0.32
07-10-2026 11:103-0.36
07-10-2026 11:002.85-0.41
07-10-2026 10:502.73-0.45
07-10-2026 10:40--
07-10-2026 10:30--
07-10-2026 10:20--
07-10-2026 10:102.61-0.52
07-10-2026 10:00--
07-10-2026 09:502.72-0.53
07-10-2026 09:402.83-0.51
07-10-2026 09:302.95-0.49
07-10-2026 09:203.1-0.47
07-10-2026 09:103.27-0.45
07-10-2026 09:003.45-0.43
07-10-2026 08:503.65-0.4
07-10-2026 08:403.87-0.37
07-10-2026 08:304.09-0.35
07-10-2026 08:204.33-0.33
07-10-2026 08:104.59-0.29
07-10-2026 08:004.84-0.27
07-10-2026 07:505.12-0.24
07-10-2026 07:405.41-0.21
07-10-2026 07:305.7-0.18
07-10-2026 07:206.01-0.14
07-10-2026 07:106.31-0.11
07-10-2026 07:006.63-0.08
07-10-2026 06:506.96-0.03
07-10-2026 06:407.290.01
07-10-2026 06:307.620.05
07-10-2026 06:207.950.1
07-10-2026 06:108.280.15
07-10-2026 06:008.590.18
07-10-2026 05:508.890.22
07-10-2026 05:409.180.26
07-10-2026 05:309.440.29
07-10-2026 05:209.670.3
07-10-2026 05:109.890.32
07-10-2026 05:0010.080.34
07-10-2026 04:5010.240.35
07-10-2026 04:4010.370.36
07-10-2026 04:3010.460.36
07-10-2026 04:2010.520.36
07-10-2026 04:1010.540.34
07-10-2026 04:0010.520.32
07-10-2026 03:5010.480.3
07-10-2026 03:4010.40.28
07-10-2026 03:3010.290.26
07-10-2026 03:2010.160.24
07-10-2026 03:10100.22
07-10-2026 03:009.820.21
07-10-2026 02:509.620.19
07-10-2026 02:409.40.18
07-10-2026 02:309.170.17
07-10-2026 02:208.920.18
07-10-2026 02:108.650.16
07-10-2026 02:008.370.16
07-10-2026 01:508.110.17
07-10-2026 01:407.810.16
07-10-2026 01:307.510.15
07-10-2026 01:207.210.15
07-10-2026 01:106.910.13
07-10-2026 01:006.610.12
07-10-2026 00:506.310.11
07-10-2026 00:406.020.1
07-10-2026 00:305.730.07
07-10-2026 00:205.450.05
07-10-2026 00:105.180.03
07-10-2026 00:004.91-0
06-10-2026 23:504.65-0.04
06-10-2026 23:404.4-0.08
06-10-2026 23:304.17-0.12
06-10-2026 23:203.95-0.17
06-10-2026 23:103.75-0.21
06-10-2026 23:003.57-0.25
06-10-2026 22:503.41-0.29
06-10-2026 22:403.28-0.32
06-10-2026 22:303.16-0.35
06-10-2026 22:203.08-0.38
06-10-2026 22:103.02-0.39
06-10-2026 22:002.98-0.4
06-10-2026 21:502.98-0.4
06-10-2026 21:403-0.39
06-10-2026 21:303.03-0.39
06-10-2026 21:203.09-0.38
06-10-2026 21:103.18-0.36
06-10-2026 21:003.28-0.34
06-10-2026 20:503.4-0.33
06-10-2026 20:403.53-0.31
06-10-2026 20:303.67-0.3
06-10-2026 20:203.84-0.28
06-10-2026 20:104.02-0.26
06-10-2026 20:004.21-0.23
06-10-2026 19:504.41-0.21
06-10-2026 19:404.62-0.19
06-10-2026 19:304.85-0.17
06-10-2026 19:205.08-0.15
06-10-2026 19:105.33-0.13
06-10-2026 19:005.58-0.1
06-10-2026 18:505.85-0.07
06-10-2026 18:406.12-0.04
06-10-2026 18:306.4-0.01
06-10-2026 18:206.690.02
06-10-2026 18:106.970.05
06-10-2026 18:007.260.09
06-10-2026 17:507.560.13
06-10-2026 17:407.850.16
06-10-2026 17:308.120.18
06-10-2026 17:208.40.21
06-10-2026 17:108.670.25
06-10-2026 17:008.920.28
06-10-2026 16:509.170.31
06-10-2026 16:409.40.34
06-10-2026 16:309.590.35
06-10-2026 16:209.770.37
06-10-2026 16:109.930.39
06-10-2026 16:0010.070.4
06-10-2026 15:5010.180.41
06-10-2026 15:4010.250.41
06-10-2026 15:3010.30.41
06-10-2026 15:2010.320.41
06-10-2026 15:1010.30.39
06-10-2026 14:009.470.27
06-10-2026 13:509.270.25
06-10-2026 13:409.050.23
06-10-2026 13:308.830.22
06-10-2026 13:208.60.21
06-10-2026 13:108.350.2
06-10-2026 13:008.10.19
06-10-2026 12:507.840.18
06-10-2026 12:407.590.17
06-10-2026 12:307.320.15
06-10-2026 12:207.050.14
06-10-2026 12:106.80.12
06-10-2026 12:006.530.1
06-10-2026 11:506.270.08
06-10-2026 11:406.020.06
06-10-2026 11:305.770.03
06-10-2026 11:205.53-0
06-10-2026 11:105.31-0.02
06-10-2026 11:005.08-0.05
06-10-2026 10:504.87-0.09
06-10-2026 10:404.67-0.12
06-10-2026 10:304.48-0.16
06-10-2026 10:204.31-0.19
06-10-2026 10:104.15-0.23