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
17-03-2025 05:003.54-0.11
 Next HWNext LW
09:01, 12.86 15:40, 1.41
Date Highest 2025 Date Lowest 2025
02-03 14.2m 02-03 0.05m
Time (GMT)ElevationResidual
14-12-2024 00:001.43-0.4
13-12-2024 23:501.56-0.32
13-12-2024 23:401.72-0.25
13-12-2024 23:301.88-0.22
13-12-2024 23:202.08-0.16
13-12-2024 23:102.3-0.13
13-12-2024 23:002.52-0.11
13-12-2024 22:502.75-0.1
13-12-2024 22:402.99-0.11
13-12-2024 22:303.24-0.11
13-12-2024 22:203.53-0.08
13-12-2024 22:103.82-0.06
13-12-2024 22:004.11-0.05
13-12-2024 21:504.42-0.02
13-12-2024 21:404.69-0.04
13-12-2024 21:305-0.03
13-12-2024 21:205.32-0.01
13-12-2024 21:105.63-0.02
13-12-2024 21:005.94-0.03
13-12-2024 20:506.26-0.04
13-12-2024 20:406.58-0.07
13-12-2024 20:306.91-0.1
13-12-2024 20:207.25-0.14
13-12-2024 20:107.57-0.21
13-12-2024 20:007.92-0.27
13-12-2024 19:508.27-0.33
13-12-2024 19:408.62-0.39
13-12-2024 19:309-0.42
13-12-2024 19:209.4-0.44
13-12-2024 19:109.8-0.46
13-12-2024 19:0010.21-0.44
13-12-2024 18:5010.61-0.42
13-12-2024 18:4011-0.38
13-12-2024 18:3011.36-0.34
13-12-2024 18:2011.7-0.28
13-12-2024 18:1011.96-0.25
13-12-2024 18:0012.19-0.21
13-12-2024 17:5012.39-0.15
13-12-2024 17:4012.52-0.11
13-12-2024 17:3012.57-0.09
13-12-2024 17:2012.54-0.1
13-12-2024 17:1012.44-0.11
13-12-2024 17:0012.31-0.12
13-12-2024 16:5012.1-0.15
13-12-2024 16:4011.87-0.15
13-12-2024 16:3011.62-0.14
13-12-2024 16:2011.34-0.11
13-12-2024 16:1010.99-0.12
13-12-2024 16:0010.63-0.12
13-12-2024 15:5010.28-0.08
13-12-2024 15:409.89-0.06
13-12-2024 15:309.49-0.03
13-12-2024 15:209.10.01
13-12-2024 15:108.670.02
13-12-2024 15:008.240.03
13-12-2024 14:507.790.04
13-12-2024 14:407.360.05
13-12-2024 14:306.930.07
13-12-2024 14:206.530.12
13-12-2024 14:106.10.12
13-12-2024 14:005.710.15
13-12-2024 13:505.370.22
13-12-2024 13:405.020.27
13-12-2024 13:304.630.25
13-12-2024 13:204.210.19
13-12-2024 13:103.820.13
13-12-2024 13:003.40.03
13-12-2024 12:503-0.1
13-12-2024 12:402.65-0.19
13-12-2024 12:302.37-0.27
13-12-2024 12:202.08-0.38
13-12-2024 12:101.77-0.55
13-12-2024 12:001.55-0.67
13-12-2024 11:501.47-0.69
13-12-2024 11:401.48-0.65
13-12-2024 11:301.57-0.57
13-12-2024 11:201.68-0.51
13-12-2024 11:101.81-0.45
13-12-2024 11:001.96-0.41
13-12-2024 10:502.16-0.35
13-12-2024 10:402.36-0.31
13-12-2024 10:302.55-0.3
13-12-2024 10:202.78-0.27
13-12-2024 10:102.99-0.27
13-12-2024 10:003.24-0.25
13-12-2024 09:503.51-0.22
13-12-2024 09:403.78-0.2
13-12-2024 09:304.07-0.16
13-12-2024 09:204.33-0.16
13-12-2024 09:104.61-0.15
13-12-2024 09:004.89-0.15
13-12-2024 08:505.18-0.14
13-12-2024 08:405.49-0.13
13-12-2024 08:305.79-0.14
13-12-2024 08:206.11-0.14
13-12-2024 08:106.42-0.17
13-12-2024 08:006.73-0.2
13-12-2024 07:507.06-0.23
13-12-2024 07:407.38-0.29
13-12-2024 07:307.72-0.34
13-12-2024 07:208.05-0.4
13-12-2024 07:108.42-0.43
13-12-2024 07:008.77-0.48
13-12-2024 06:509.14-0.5
13-12-2024 06:409.53-0.51
13-12-2024 06:309.91-0.5
13-12-2024 06:2010.27-0.49
13-12-2024 06:1010.63-0.46
13-12-2024 06:0010.98-0.4
13-12-2024 05:5011.26-0.38
13-12-2024 05:4011.52-0.33
13-12-2024 05:3011.75-0.27
13-12-2024 05:2011.92-0.23
13-12-2024 05:1012.02-0.21
13-12-2024 05:0012.06-0.2
13-12-2024 04:5012.03-0.2
13-12-2024 04:4011.96-0.19
13-12-2024 04:3011.85-0.18
13-12-2024 04:2011.68-0.19
13-12-2024 04:1011.47-0.18
13-12-2024 04:0011.23-0.17
13-12-2024 03:5010.97-0.15
13-12-2024 03:4010.66-0.14
13-12-2024 03:3010.32-0.14
13-12-2024 03:209.97-0.12
13-12-2024 03:109.59-0.11
13-12-2024 03:009.23-0.08
13-12-2024 02:508.84-0.05
13-12-2024 02:408.43-0.05
13-12-2024 02:308.02-0.03
13-12-2024 02:207.58-0.03
13-12-2024 02:107.18-0.01
13-12-2024 02:006.780.02
13-12-2024 01:506.380.05
13-12-2024 01:4060.08
13-12-2024 01:305.620.12
13-12-2024 01:205.310.2
13-12-2024 01:104.970.25
13-12-2024 01:004.590.23
13-12-2024 00:504.20.19
13-12-2024 00:403.820.14
13-12-2024 00:303.410.02
13-12-2024 00:203.02-0.1
13-12-2024 00:102.66-0.21