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
09-05-2026 23:108.95-0.27
 Next HWNext LW
23:46, 9.34 06:00, 3.74
Date Highest 2026 Date Lowest 2026
04-02 13.05m 18-01 2.59m
Time (GMT)ElevationResidual
10-07-2025 00:00--
09-07-2025 23:50--
09-07-2025 23:402.69-0.01
09-07-2025 23:302.84-0.01
09-07-2025 23:203.01-0
09-07-2025 23:103.20.01
09-07-2025 23:003.40.01
09-07-2025 22:503.630.01
09-07-2025 22:403.870.01
09-07-2025 22:304.120.01
09-07-2025 22:204.390.01
09-07-2025 22:104.66-0
09-07-2025 22:004.95-0.01
09-07-2025 21:505.25-0.01
09-07-2025 21:405.56-0.02
09-07-2025 21:305.88-0.03
09-07-2025 21:206.2-0.04
09-07-2025 21:106.54-0.04
09-07-2025 21:006.88-0.04
09-07-2025 20:507.22-0.05
09-07-2025 20:407.57-0.04
09-07-2025 20:307.91-0.04
09-07-2025 20:208.25-0.04
09-07-2025 20:108.59-0.03
09-07-2025 20:008.91-0.02
09-07-2025 19:509.22-0.02
09-07-2025 19:409.51-0.01
09-07-2025 19:309.79-0
09-07-2025 19:2010.03-0.01
09-07-2025 19:1010.25-0
09-07-2025 19:0010.440.01
09-07-2025 18:5010.60
09-07-2025 18:4010.730.01
09-07-2025 18:3010.830.01
09-07-2025 18:2010.880.01
09-07-2025 18:1010.9-0
09-07-2025 18:0010.88-0.01
09-07-2025 17:5010.82-0.03
09-07-2025 17:4010.73-0.04
09-07-2025 17:3010.62-0.05
09-07-2025 17:2010.47-0.06
09-07-2025 17:1010.3-0.07
09-07-2025 17:0010.09-0.08
09-07-2025 16:509.88-0.09
09-07-2025 16:409.64-0.09
09-07-2025 16:309.38-0.09
09-07-2025 16:209.11-0.09
09-07-2025 16:108.82-0.09
09-07-2025 16:008.54-0.07
09-07-2025 15:508.22-0.07
09-07-2025 15:407.9-0.07
09-07-2025 15:307.59-0.05
09-07-2025 15:207.27-0.03
09-07-2025 15:106.95-0.02
09-07-2025 15:006.630.01
09-07-2025 14:506.30.02
09-07-2025 14:4060.05
09-07-2025 14:305.690.08
09-07-2025 14:205.390.1
09-07-2025 14:105.10.13
09-07-2025 14:004.810.15
09-07-2025 13:504.540.16
09-07-2025 13:404.270.17
09-07-2025 13:304.020.17
09-07-2025 13:203.780.17
09-07-2025 13:103.560.16
09-07-2025 13:003.360.15
09-07-2025 12:503.20.15
09-07-2025 12:403.030.12
09-07-2025 12:302.910.1
09-07-2025 12:202.810.08
09-07-2025 12:102.730.05
09-07-2025 12:002.690.03
09-07-2025 11:502.690.03
09-07-2025 11:402.720.02
09-07-2025 11:302.780.02
09-07-2025 11:202.870.02
09-07-2025 11:102.990.03
09-07-2025 11:003.120.03
09-07-2025 10:503.280.04
09-07-2025 10:403.450.04
09-07-2025 10:303.650.04
09-07-2025 10:203.850.04
09-07-2025 10:104.080.04
09-07-2025 10:004.310.03
09-07-2025 09:504.560.03
09-07-2025 09:404.810.02
09-07-2025 09:205.34-0.02
09-07-2025 09:105.62-0.03
09-07-2025 09:005.91-0.04
09-07-2025 08:506.21-0.05
09-07-2025 08:406.53-0.06
09-07-2025 08:306.83-0.07
09-07-2025 08:207.15-0.07
09-07-2025 08:107.47-0.07
09-07-2025 08:007.78-0.06
09-07-2025 07:508.09-0.06
09-07-2025 07:408.4-0.05
09-07-2025 07:308.69-0.04
09-07-2025 07:208.97-0.03
09-07-2025 07:109.23-0.02
09-07-2025 07:009.47-0.01
09-07-2025 06:509.69-0.01
09-07-2025 06:409.90.01
09-07-2025 06:3010.060.02
09-07-2025 06:2010.20.02
09-07-2025 06:1010.310.03
09-07-2025 06:0010.390.04
09-07-2025 05:5010.440.04
09-07-2025 05:4010.440.03
09-07-2025 05:3010.420.02
09-07-2025 05:2010.360.01
09-07-2025 05:1010.270
09-07-2025 05:0010.16-0.01
09-07-2025 04:5010.03-0.01
09-07-2025 04:409.86-0.02
09-07-2025 04:309.68-0.03
09-07-2025 04:209.47-0.04
09-07-2025 04:109.26-0.03
09-07-2025 04:009.02-0.03
09-07-2025 03:508.77-0.02
09-07-2025 03:408.5-0.03
09-07-2025 03:308.25-0
09-07-2025 03:207.970.01
09-07-2025 03:107.670.01
09-07-2025 03:007.380.03
09-07-2025 02:507.080.04
09-07-2025 02:406.780.06
09-07-2025 02:306.480.07
09-07-2025 02:206.180.09
09-07-2025 02:105.90.12
09-07-2025 02:005.610.14
09-07-2025 01:505.330.16
09-07-2025 01:405.050.18
09-07-2025 01:304.780.18
09-07-2025 01:204.510.18
09-07-2025 01:104.250.17
09-07-2025 01:0040.15
09-07-2025 00:503.770.13
09-07-2025 00:403.560.11
09-07-2025 00:303.370.09
09-07-2025 00:203.20.06
09-07-2025 00:103.060.03