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
08-08-2026 06:004.1-0.03
 Next HWNext LW
13:56, 9.69 07:23, 3.43
Date Highest 2026 Date Lowest 2026
04-02 13.05m 18-01 2.59m
Time (GMT)ElevationResidual
11-04-2026 00:008.57-0.31
10-04-2026 23:508.57-0.3
10-04-2026 23:408.55-0.28
10-04-2026 23:308.53-0.25
10-04-2026 23:208.52-0.21
10-04-2026 23:108.46-0.19
10-04-2026 23:008.45-0.11
10-04-2026 22:508.39-0.08
10-04-2026 22:408.33-0.04
10-04-2026 22:308.280.04
10-04-2026 22:208.210.09
10-04-2026 22:108.110.13
10-04-2026 22:008.040.21
10-04-2026 21:507.90.23
10-04-2026 21:407.830.32
10-04-2026 21:307.710.37
10-04-2026 21:207.60.43
10-04-2026 21:107.480.48
10-04-2026 21:007.340.53
10-04-2026 20:507.230.6
10-04-2026 20:407.090.64
10-04-2026 20:306.940.68
10-04-2026 20:206.790.71
10-04-2026 20:106.610.72
10-04-2026 20:006.450.74
10-04-2026 19:506.290.75
10-04-2026 19:406.110.74
10-04-2026 19:305.980.76
10-04-2026 19:205.810.75
10-04-2026 19:105.660.75
10-04-2026 19:005.530.76
10-04-2026 18:505.390.74
10-04-2026 18:405.270.73
10-04-2026 18:305.150.7
10-04-2026 18:205.030.67
10-04-2026 18:104.960.66
10-04-2026 18:004.890.65
10-04-2026 17:504.820.62
10-04-2026 17:404.750.57
10-04-2026 17:304.710.53
10-04-2026 17:204.70.5
10-04-2026 17:104.690.46
10-04-2026 17:004.690.41
10-04-2026 16:504.710.36
10-04-2026 16:404.750.32
10-04-2026 16:304.820.29
10-04-2026 16:204.870.22
10-04-2026 16:104.980.2
10-04-2026 16:005.060.15
10-04-2026 15:505.180.12
10-04-2026 15:405.30.07
10-04-2026 15:305.4-0
10-04-2026 15:205.60.01
10-04-2026 15:105.71-0.07
10-04-2026 15:005.91-0.06
10-04-2026 14:506.09-0.08
10-04-2026 14:406.27-0.11
10-04-2026 14:306.46-0.12
10-04-2026 14:206.65-0.14
10-04-2026 14:106.84-0.15
10-04-2026 14:007.03-0.16
10-04-2026 13:507.22-0.18
10-04-2026 13:407.4-0.19
10-04-2026 13:307.57-0.21
10-04-2026 13:207.73-0.23
10-04-2026 13:107.89-0.24
10-04-2026 13:008.03-0.26
10-04-2026 12:508.15-0.28
10-04-2026 12:408.27-0.29
10-04-2026 12:308.38-0.3
10-04-2026 12:208.48-0.3
10-04-2026 12:108.55-0.31
10-04-2026 12:008.62-0.31
10-04-2026 11:508.67-0.31
10-04-2026 11:408.71-0.3
10-04-2026 11:308.72-0.3
10-04-2026 11:208.73-0.29
10-04-2026 11:108.72-0.27
10-04-2026 11:008.7-0.25
10-04-2026 10:508.65-0.24
10-04-2026 10:408.6-0.22
10-04-2026 10:308.53-0.2
10-04-2026 10:208.45-0.17
10-04-2026 10:108.35-0.14
10-04-2026 10:008.25-0.11
10-04-2026 09:508.12-0.09
10-04-2026 09:408.01-0.04
10-04-2026 09:307.85-0.03
10-04-2026 09:207.710.02
10-04-2026 09:107.540.04
10-04-2026 09:007.380.07
10-04-2026 08:507.220.12
10-04-2026 08:407.050.16
10-04-2026 08:306.890.2
10-04-2026 08:206.710.24
10-04-2026 08:106.530.28
10-04-2026 08:006.360.32
10-04-2026 07:506.180.35
10-04-2026 07:4060.38
10-04-2026 07:305.830.4
10-04-2026 07:205.650.42
10-04-2026 07:105.470.43
10-04-2026 07:005.320.45
10-04-2026 06:505.160.46
10-04-2026 06:404.980.44
10-04-2026 06:304.830.43
10-04-2026 06:204.670.4
10-04-2026 06:104.520.36
10-04-2026 06:004.370.3
10-04-2026 05:504.240.25
10-04-2026 05:404.130.21
10-04-2026 05:304.030.14
10-04-2026 05:203.940.08
10-04-2026 05:103.880.03
10-04-2026 05:003.82-0.05
10-04-2026 04:503.79-0.11
10-04-2026 04:403.78-0.18
10-04-2026 04:303.8-0.23
10-04-2026 04:203.84-0.28
10-04-2026 04:103.91-0.32
10-04-2026 04:004.01-0.35
10-04-2026 03:504.13-0.37
10-04-2026 03:404.27-0.38
10-04-2026 03:304.43-0.39
10-04-2026 03:204.62-0.38
10-04-2026 03:104.82-0.39
10-04-2026 03:005.02-0.38
10-04-2026 02:505.25-0.37
10-04-2026 02:405.48-0.36
10-04-2026 02:305.71-0.35
10-04-2026 02:205.95-0.33
10-04-2026 02:106.19-0.33
10-04-2026 02:006.43-0.32
10-04-2026 01:506.67-0.31
10-04-2026 01:406.91-0.31
10-04-2026 01:307.14-0.29
10-04-2026 01:207.38-0.28
10-04-2026 01:107.59-0.28
10-04-2026 01:007.8-0.28
10-04-2026 00:507.98-0.29
10-04-2026 00:408.16-0.3
10-04-2026 00:308.32-0.32
10-04-2026 00:208.47-0.33
10-04-2026 00:108.61-0.34