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
17-01-2025 07:4010.020.24
 Next HWNext LW
09:25, 12.49 16:10, 2.24
Date Highest 2025 Date Lowest 2025
01-01 13.36m 16-01 0.96m
Time (GMT)ElevationResidual
01-12-2024 00:003.160.19
30-11-2024 23:503.420.17
30-11-2024 23:403.670.13
30-11-2024 23:303.950.11
30-11-2024 23:204.220.07
30-11-2024 23:104.50.04
30-11-2024 23:004.780.01
30-11-2024 22:505.06-0.03
30-11-2024 22:405.33-0.07
30-11-2024 22:305.62-0.09
30-11-2024 22:205.91-0.12
30-11-2024 22:106.2-0.15
30-11-2024 22:006.51-0.18
30-11-2024 21:506.82-0.21
30-11-2024 21:407.12-0.26
30-11-2024 21:307.44-0.3
30-11-2024 21:207.75-0.35
30-11-2024 21:108.09-0.39
30-11-2024 21:008.42-0.45
30-11-2024 20:508.79-0.47
30-11-2024 20:409.14-0.5
30-11-2024 20:309.52-0.51
30-11-2024 20:209.88-0.52
30-11-2024 20:1010.25-0.51
30-11-2024 20:0010.63-0.47
30-11-2024 19:5010.99-0.43
30-11-2024 19:4011.31-0.39
30-11-2024 19:3011.6-0.35
30-11-2024 19:2011.82-0.33
30-11-2024 19:1012.02-0.29
30-11-2024 19:0012.17-0.25
30-11-2024 18:5012.26-0.21
30-11-2024 18:4012.28-0.2
30-11-2024 18:3012.25-0.2
30-11-2024 18:2012.15-0.2
30-11-2024 18:1012.02-0.19
30-11-2024 18:0011.84-0.18
30-11-2024 17:5011.62-0.17
30-11-2024 17:4011.39-0.13
30-11-2024 17:3011.13-0.09
30-11-2024 17:2010.83-0.06
30-11-2024 17:1010.51-0.02
30-11-2024 17:0010.170.03
30-11-2024 16:509.80.07
30-11-2024 16:409.420.11
30-11-2024 16:309.030.15
30-11-2024 16:208.630.2
30-11-2024 16:108.20.23
30-11-2024 16:007.770.26
30-11-2024 15:507.360.31
30-11-2024 15:406.960.38
30-11-2024 15:306.580.46
30-11-2024 15:206.210.55
30-11-2024 15:105.820.61
30-11-2024 15:005.470.7
30-11-2024 14:505.120.78
30-11-2024 14:404.730.79
30-11-2024 14:304.330.77
30-11-2024 14:203.910.71
30-11-2024 14:103.480.61
30-11-2024 14:003.110.54
30-11-2024 13:502.790.46
30-11-2024 13:402.490.37
30-11-2024 13:302.160.22
30-11-2024 13:201.920.1
30-11-2024 13:101.820.08
30-11-2024 13:001.850.13
30-11-2024 12:501.920.18
30-11-2024 12:402.030.23
30-11-2024 12:302.180.27
30-11-2024 12:202.330.29
30-11-2024 12:102.540.32
30-11-2024 12:002.730.29
30-11-2024 11:502.950.28
30-11-2024 11:403.190.26
30-11-2024 11:303.440.23
30-11-2024 11:203.70.21
30-11-2024 11:103.980.18
30-11-2024 11:004.260.15
30-11-2024 10:504.530.11
30-11-2024 10:404.820.07
30-11-2024 10:305.110.03
30-11-2024 10:205.39-0.01
30-11-2024 10:105.69-0.05
30-11-2024 10:005.99-0.09
30-11-2024 09:506.28-0.13
30-11-2024 09:406.6-0.17
30-11-2024 09:306.91-0.22
30-11-2024 09:207.23-0.27
30-11-2024 09:107.53-0.34
30-11-2024 09:007.86-0.4
30-11-2024 08:508.18-0.46
30-11-2024 08:408.52-0.51
30-11-2024 08:308.87-0.55
30-11-2024 08:209.24-0.58
30-11-2024 08:109.61-0.59
30-11-2024 08:009.98-0.58
30-11-2024 07:5010.33-0.58
30-11-2024 07:4010.7-0.54
30-11-2024 07:3011.04-0.49
30-11-2024 07:2011.35-0.45
30-11-2024 07:1011.6-0.43
30-11-2024 07:0011.84-0.37
30-11-2024 06:5012.03-0.32
30-11-2024 06:4012.17-0.27
30-11-2024 06:3012.24-0.24
30-11-2024 06:2012.23-0.24
30-11-2024 06:1012.17-0.23
30-11-2024 06:0012.06-0.23
30-11-2024 05:5011.91-0.23
30-11-2024 05:4011.7-0.24
30-11-2024 05:3011.47-0.23
30-11-2024 05:2011.21-0.21
30-11-2024 05:1010.92-0.19
30-11-2024 05:0010.62-0.15
30-11-2024 04:5010.26-0.14
30-11-2024 04:409.92-0.1
30-11-2024 04:309.53-0.08
30-11-2024 04:209.15-0.03
30-11-2024 04:108.760.01
30-11-2024 04:008.360.04
30-11-2024 03:507.930.06
30-11-2024 03:407.520.11
30-11-2024 03:307.130.18
30-11-2024 03:206.750.25
30-11-2024 03:106.380.33
30-11-2024 03:006.010.4
30-11-2024 02:505.650.48
30-11-2024 02:405.320.58
30-11-2024 02:304.970.63
30-11-2024 02:204.590.64
30-11-2024 02:104.180.6
30-11-2024 02:003.770.53
30-11-2024 01:503.390.46
30-11-2024 01:403.040.38
30-11-2024 01:302.750.34
30-11-2024 01:202.440.22
30-11-2024 01:102.160.1
30-11-2024 01:001.940.01
30-11-2024 00:501.890.02
30-11-2024 00:401.930.09
30-11-2024 00:302.030.18
30-11-2024 00:202.130.23
30-11-2024 00:102.260.27