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
10-03-2026 22:009.62-0.21
 Next HWNext LW
22:44, 10.07 04:53, 3.4
Date Highest 2026 Date Lowest 2026
04-02 13.05m 18-01 2.59m
Time (GMT)ElevationResidual
05-10-2024 00:004.340.17
04-10-2024 23:504.670.15
04-10-2024 23:405.020.14
04-10-2024 23:305.370.13
04-10-2024 23:205.740.11
04-10-2024 23:106.10.09
04-10-2024 23:006.480.07
04-10-2024 22:506.880.06
04-10-2024 22:407.270.04
04-10-2024 22:307.680.03
04-10-2024 22:208.080.01
04-10-2024 22:108.50
04-10-2024 22:008.920.01
04-10-2024 21:509.29-0.04
04-10-2024 21:409.66-0.07
04-10-2024 21:3010.05-0.07
04-10-2024 21:2010.43-0.07
04-10-2024 21:1010.77-0.08
04-10-2024 21:0011.07-0.1
04-10-2024 20:5011.34-0.11
04-10-2024 20:4011.58-0.12
04-10-2024 20:3011.77-0.15
04-10-2024 20:2011.93-0.15
04-10-2024 20:1012.04-0.15
04-10-2024 20:0012.1-0.16
04-10-2024 19:5012.1-0.18
04-10-2024 19:4012.07-0.19
04-10-2024 19:3011.97-0.21
04-10-2024 19:2011.83-0.22
04-10-2024 19:1011.65-0.24
04-10-2024 19:0011.43-0.25
04-10-2024 18:5011.17-0.26
04-10-2024 18:4010.89-0.26
04-10-2024 18:3010.59-0.25
04-10-2024 18:2010.25-0.25
04-10-2024 18:109.91-0.22
04-10-2024 18:009.55-0.2
04-10-2024 17:509.17-0.19
04-10-2024 17:408.77-0.18
04-10-2024 17:308.36-0.16
04-10-2024 17:207.95-0.14
04-10-2024 17:107.53-0.14
04-10-2024 17:007.1-0.14
04-10-2024 16:506.68-0.11
04-10-2024 16:406.28-0.08
04-10-2024 16:305.87-0.06
04-10-2024 16:205.47-0.03
04-10-2024 16:105.06-0.02
04-10-2024 16:004.68-0
04-10-2024 15:504.28-0
04-10-2024 15:403.89-0.01
04-10-2024 15:303.540.01
04-10-2024 15:203.20.01
04-10-2024 15:102.890.01
04-10-2024 15:00--
04-10-2024 14:50--
04-10-2024 14:40--
04-10-2024 14:30--
04-10-2024 14:20--
04-10-2024 14:10--
04-10-2024 14:00--
04-10-2024 13:50--
04-10-2024 13:40--
04-10-2024 13:30--
04-10-2024 13:20--
04-10-2024 13:10--
04-10-2024 13:00--
04-10-2024 12:50--
04-10-2024 12:402.710.25
04-10-2024 12:302.970.26
04-10-2024 12:203.250.26
04-10-2024 12:103.540.25
04-10-2024 12:003.840.23
04-10-2024 11:504.150.2
04-10-2024 11:404.470.17
04-10-2024 11:304.810.15
04-10-2024 11:205.170.13
04-10-2024 11:105.530.1
04-10-2024 11:005.90.07
04-10-2024 10:506.280.04
04-10-2024 10:406.670.02
04-10-2024 10:307.080
04-10-2024 10:207.49-0.02
04-10-2024 10:107.9-0.04
04-10-2024 10:008.33-0.03
04-10-2024 09:508.74-0.06
04-10-2024 09:409.12-0.1
04-10-2024 09:309.51-0.11
04-10-2024 09:209.91-0.11
04-10-2024 09:1010.29-0.11
04-10-2024 09:0010.64-0.12
04-10-2024 08:5010.95-0.14
04-10-2024 08:4011.23-0.15
04-10-2024 08:3011.47-0.16
04-10-2024 08:2011.69-0.16
04-10-2024 08:1011.85-0.16
04-10-2024 08:0011.98-0.16
04-10-2024 07:5012.04-0.17
04-10-2024 07:4012.04-0.2
04-10-2024 07:3012-0.21
04-10-2024 07:2011.9-0.23
04-10-2024 07:1011.76-0.24
04-10-2024 07:0011.58-0.25
04-10-2024 06:5011.35-0.27
04-10-2024 06:4011.09-0.28
04-10-2024 06:3010.8-0.28
04-10-2024 06:2010.48-0.28
04-10-2024 06:1010.13-0.28
04-10-2024 06:009.79-0.25
04-10-2024 05:509.42-0.23
04-10-2024 05:409.03-0.23
04-10-2024 05:308.63-0.21
04-10-2024 05:208.22-0.19
04-10-2024 05:107.8-0.18
04-10-2024 05:007.38-0.17
04-10-2024 04:506.96-0.16
04-10-2024 04:406.54-0.15
04-10-2024 04:306.14-0.12
04-10-2024 04:205.74-0.1
04-10-2024 04:105.34-0.08
04-10-2024 04:004.95-0.06
04-10-2024 03:504.57-0.05
04-10-2024 03:404.17-0.06
04-10-2024 03:303.81-0.05
04-10-2024 03:203.46-0.05
04-10-2024 03:103.14-0.04
04-10-2024 03:002.84-0.03
04-10-2024 02:50--
04-10-2024 02:40--
04-10-2024 02:30--
04-10-2024 02:20--
04-10-2024 02:10--
04-10-2024 02:00--
04-10-2024 01:50--
04-10-2024 01:40--
04-10-2024 01:30--
04-10-2024 01:20--
04-10-2024 01:10--
04-10-2024 01:00--
04-10-2024 00:50--
04-10-2024 00:40--
04-10-2024 00:302.650.24
04-10-2024 00:202.910.26
04-10-2024 00:103.180.27