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
11-12-2025 08:206.980.24
 Next HWNext LW
11:26, 10.41 17:46, 3.41
Date Highest 2025 Date Lowest 2025
08-11 56.61m 28-04 2.59m
Time (GMT)ElevationResidual
21-06-2024 00:00--
20-06-2024 23:50--
20-06-2024 23:40--
20-06-2024 23:30--
20-06-2024 23:20--
20-06-2024 23:102.71-0.05
20-06-2024 23:002.88-0.04
20-06-2024 22:503.07-0.03
20-06-2024 22:403.28-0.03
20-06-2024 22:303.5-0.04
20-06-2024 22:203.74-0.04
20-06-2024 22:103.99-0.05
20-06-2024 22:004.26-0.06
20-06-2024 21:504.53-0.08
20-06-2024 21:404.83-0.09
20-06-2024 21:305.13-0.11
20-06-2024 21:205.45-0.12
20-06-2024 21:105.78-0.12
20-06-2024 21:006.11-0.13
20-06-2024 20:506.46-0.13
20-06-2024 20:406.81-0.13
20-06-2024 20:307.17-0.12
20-06-2024 20:207.53-0.11
20-06-2024 20:107.89-0.09
20-06-2024 20:008.25-0.08
20-06-2024 19:508.6-0.07
20-06-2024 19:408.94-0.06
20-06-2024 19:309.27-0.05
20-06-2024 19:209.59-0.03
20-06-2024 19:109.88-0.01
20-06-2024 19:0010.14-0.01
20-06-2024 18:5010.390.01
20-06-2024 18:4010.610.02
20-06-2024 18:3010.780.02
20-06-2024 18:2010.930.03
20-06-2024 18:1011.040.04
20-06-2024 18:0011.120.04
20-06-2024 17:5011.140.03
20-06-2024 17:4011.120.02
20-06-2024 17:3011.060.01
20-06-2024 17:2010.97-0
20-06-2024 17:1010.84-0.02
20-06-2024 17:0010.69-0.02
20-06-2024 16:5010.51-0.03
20-06-2024 16:4010.29-0.03
20-06-2024 16:3010.05-0.04
20-06-2024 16:209.8-0.02
20-06-2024 16:109.54-0.01
20-06-2024 16:009.250
20-06-2024 15:508.960.02
20-06-2024 15:408.660.04
20-06-2024 15:308.330.04
20-06-2024 15:2080.05
20-06-2024 15:107.670.06
20-06-2024 15:007.330.07
20-06-2024 14:506.990.07
20-06-2024 14:406.650.08
20-06-2024 14:306.310.08
20-06-2024 14:205.980.08
20-06-2024 14:105.660.09
20-06-2024 14:005.330.09
20-06-2024 13:505.010.08
20-06-2024 13:404.710.08
20-06-2024 13:304.410.07
20-06-2024 13:204.130.07
20-06-2024 13:103.860.05
20-06-2024 13:003.60.03
20-06-2024 12:503.360.02
20-06-2024 12:403.150
20-06-2024 12:302.96-0.02
20-06-2024 12:202.81-0.02
20-06-2024 12:102.67-0.04
20-06-2024 12:00--
20-06-2024 11:50--
20-06-2024 11:40--
20-06-2024 11:30--
20-06-2024 11:20--
20-06-2024 11:10--
20-06-2024 11:002.59-0.09
20-06-2024 10:502.71-0.09
20-06-2024 10:402.86-0.07
20-06-2024 10:303.02-0.07
20-06-2024 10:203.22-0.06
20-06-2024 10:103.42-0.06
20-06-2024 10:003.64-0.06
20-06-2024 09:503.87-0.07
20-06-2024 09:404.12-0.08
20-06-2024 09:304.37-0.09
20-06-2024 09:204.65-0.09
20-06-2024 09:104.94-0.1
20-06-2024 09:005.22-0.12
20-06-2024 08:505.53-0.12
20-06-2024 08:405.84-0.13
20-06-2024 08:306.16-0.15
20-06-2024 08:206.49-0.15
20-06-2024 08:106.81-0.16
20-06-2024 08:007.14-0.16
20-06-2024 07:507.48-0.16
20-06-2024 07:407.82-0.16
20-06-2024 07:308.14-0.16
20-06-2024 07:208.46-0.17
20-06-2024 07:108.78-0.16
20-06-2024 07:009.08-0.16
20-06-2024 06:509.36-0.16
20-06-2024 06:409.62-0.16
20-06-2024 06:309.86-0.17
20-06-2024 06:2010.07-0.17
20-06-2024 06:1010.26-0.17
20-06-2024 06:0010.41-0.17
20-06-2024 05:5010.55-0.16
20-06-2024 05:4010.64-0.16
20-06-2024 05:3010.71-0.15
20-06-2024 05:2010.72-0.16
20-06-2024 05:1010.71-0.16
20-06-2024 05:0010.65-0.16
20-06-2024 04:5010.56-0.17
20-06-2024 04:4010.45-0.16
20-06-2024 04:3010.32-0.15
20-06-2024 04:2010.15-0.14
20-06-2024 04:109.95-0.13
20-06-2024 04:009.74-0.11
20-06-2024 03:509.51-0.1
20-06-2024 03:409.27-0.07
20-06-2024 03:308.99-0.06
20-06-2024 03:208.72-0.04
20-06-2024 03:108.44-0.01
20-06-2024 03:008.140.02
20-06-2024 02:507.830.04
20-06-2024 02:407.530.07
20-06-2024 02:307.210.08
20-06-2024 02:206.890.1
20-06-2024 02:106.580.12
20-06-2024 02:006.260.14
20-06-2024 01:505.950.16
20-06-2024 01:405.650.18
20-06-2024 01:305.350.2
20-06-2024 01:205.040.21
20-06-2024 01:104.750.21
20-06-2024 01:004.450.2
20-06-2024 00:504.180.19
20-06-2024 00:403.90.17
20-06-2024 00:303.660.15
20-06-2024 00:203.430.13
20-06-2024 00:103.220.11