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.

Second Severn Crossing

Tide Levels and Harmonics

 

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Latest Tide Data (Predicted Tide Table)

Time (GMT)ElevationResidual
15-01-2025 17:004.930.37
 Next HWNext LW
20:37, 12.51 03:14, 1.90
Date Highest 2025 Date Lowest 2025
01-01 13.36m 15-01 1.06m
Time (GMT)ElevationResidual
27-02-2024 00:006.47-0.22
26-02-2024 23:506.81-0.2
26-02-2024 23:407.14-0.21
26-02-2024 23:307.49-0.22
26-02-2024 23:207.86-0.23
26-02-2024 23:108.23-0.25
26-02-2024 23:008.61-0.27
26-02-2024 22:509.02-0.27
26-02-2024 22:409.42-0.29
26-02-2024 22:309.83-0.29
26-02-2024 22:2010.25-0.28
26-02-2024 22:1010.67-0.25
26-02-2024 22:0011.08-0.21
26-02-2024 21:5011.48-0.14
26-02-2024 21:4011.8-0.11
26-02-2024 21:3012.11-0.04
26-02-2024 21:2012.360.01
26-02-2024 21:1012.530.04
26-02-2024 21:0012.620.04
26-02-2024 20:5012.620.02
26-02-2024 20:4012.56-0
26-02-2024 20:3012.44-0.02
26-02-2024 20:2012.26-0.04
26-02-2024 20:1012.04-0.06
26-02-2024 20:0011.78-0.06
26-02-2024 19:5011.49-0.06
26-02-2024 19:4011.11-0.1
26-02-2024 19:3010.72-0.12
26-02-2024 19:2010.34-0.1
26-02-2024 19:109.92-0.1
26-02-2024 19:009.48-0.11
26-02-2024 18:509.02-0.11
26-02-2024 18:408.58-0.1
26-02-2024 18:308.09-0.12
26-02-2024 18:207.64-0.1
26-02-2024 18:107.17-0.1
26-02-2024 18:006.72-0.07
26-02-2024 17:506.3-0.02
26-02-2024 17:405.880.01
26-02-2024 17:305.50.1
26-02-2024 17:205.140.19
26-02-2024 17:104.740.23
26-02-2024 17:004.340.25
26-02-2024 16:503.910.22
26-02-2024 16:403.450.15
26-02-2024 16:302.960.01
26-02-2024 16:202.48-0.15
26-02-2024 16:102.11-0.24
26-02-2024 16:001.78-0.33
26-02-2024 15:501.28-0.63
26-02-2024 15:400.94-0.82
26-02-2024 15:300.88-0.78
26-02-2024 15:200.94-0.68
26-02-2024 15:101.02-0.6
26-02-2024 15:001.16-0.51
26-02-2024 14:501.34-0.43
26-02-2024 14:401.53-0.39
26-02-2024 14:301.72-0.39
26-02-2024 14:201.94-0.38
26-02-2024 14:102.17-0.4
26-02-2024 14:002.41-0.42
26-02-2024 13:502.66-0.47
26-02-2024 13:402.9-0.52
26-02-2024 13:303.18-0.55
26-02-2024 13:203.49-0.54
26-02-2024 13:103.78-0.55
26-02-2024 13:004.09-0.54
26-02-2024 12:504.41-0.51
26-02-2024 12:404.72-0.49
26-02-2024 12:305.01-0.49
26-02-2024 12:205.33-0.45
26-02-2024 12:105.65-0.42
26-02-2024 12:005.96-0.39
26-02-2024 11:506.28-0.37
26-02-2024 11:406.59-0.36
26-02-2024 11:306.92-0.36
26-02-2024 11:207.27-0.35
26-02-2024 11:107.58-0.39
26-02-2024 11:007.95-0.4
26-02-2024 10:508.31-0.42
26-02-2024 10:408.72-0.41
26-02-2024 10:309.1-0.44
26-02-2024 10:209.52-0.42
26-02-2024 10:109.92-0.42
26-02-2024 10:0010.36-0.39
26-02-2024 09:5010.78-0.34
26-02-2024 09:4011.23-0.24
26-02-2024 09:3011.62-0.17
26-02-2024 09:2011.96-0.11
26-02-2024 09:1012.27-0.03
26-02-2024 09:0012.530.05
26-02-2024 08:5012.710.11
26-02-2024 08:4012.820.15
26-02-2024 08:3012.830.15
26-02-2024 08:2012.760.14
26-02-2024 08:1012.640.13
26-02-2024 08:0012.460.11
26-02-2024 07:5012.240.11
26-02-2024 07:4011.970.1
26-02-2024 07:3011.670.11
26-02-2024 07:2011.290.08
26-02-2024 07:1010.890.05
26-02-2024 07:0010.510.07
26-02-2024 06:5010.070.06
26-02-2024 06:409.610.03
26-02-2024 06:309.140.02
26-02-2024 06:208.61-0.03
26-02-2024 06:108.11-0.07
26-02-2024 06:007.59-0.11
26-02-2024 05:507.1-0.12
26-02-2024 05:406.65-0.09
26-02-2024 05:306.16-0.11
26-02-2024 05:205.71-0.08
26-02-2024 05:105.31-0.01
26-02-2024 05:004.930.06
26-02-2024 04:504.510.09
26-02-2024 04:404.090.09
26-02-2024 04:303.620.03
26-02-2024 04:203.11-0.09
26-02-2024 04:102.61-0.24
26-02-2024 04:002.16-0.36
26-02-2024 03:501.87-0.37
26-02-2024 03:401.39-0.61
26-02-2024 03:300.91-0.89
26-02-2024 03:200.74-0.92
26-02-2024 03:100.73-0.83
26-02-2024 03:000.84-0.68
26-02-2024 02:500.96-0.56
26-02-2024 02:401.12-0.46
26-02-2024 02:301.31-0.37
26-02-2024 02:201.49-0.34
26-02-2024 02:101.69-0.33
26-02-2024 02:001.92-0.32
26-02-2024 01:502.16-0.33
26-02-2024 01:402.39-0.37
26-02-2024 01:302.63-0.42
26-02-2024 01:202.89-0.46
26-02-2024 01:103.2-0.47
26-02-2024 01:003.5-0.48
26-02-2024 00:503.81-0.48
26-02-2024 00:404.11-0.5
26-02-2024 00:304.44-0.48
26-02-2024 00:204.76-0.47
26-02-2024 00:105.05-0.49