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
02-12-2024 10:008.46-0.41
 Next HWNext LW
20:00, 12.31 14:21, 1.72
Date Highest 2024 Date Lowest 2024
20-09 17.75m 20-09 -0.09m
Time (GMT)ElevationResidual
02-12-2024 10:008.46-0.41
02-12-2024 09:508.8-0.44
02-12-2024 09:409.16-0.45
02-12-2024 09:309.56-0.43
02-12-2024 09:209.95-0.41
02-12-2024 09:1010.35-0.38
02-12-2024 09:0010.75-0.32
02-12-2024 08:5011.12-0.28
02-12-2024 08:4011.49-0.2
02-12-2024 08:3011.82-0.13
02-12-2024 08:2012.09-0.08
02-12-2024 08:1012.33-0.02
02-12-2024 08:0012.540.07
02-12-2024 07:5012.660.12
02-12-2024 07:4012.720.17
02-12-2024 07:3012.710.2
02-12-2024 07:2012.620.19
02-12-2024 07:1012.50.21
02-12-2024 07:0012.310.21
02-12-2024 06:5012.090.23
02-12-2024 06:4011.830.25
02-12-2024 06:3011.560.29
02-12-2024 06:2011.250.32
02-12-2024 06:1010.910.34
02-12-2024 06:0010.530.36
02-12-2024 05:5010.130.37
02-12-2024 05:409.720.39
02-12-2024 05:309.310.42
02-12-2024 05:208.90.46
02-12-2024 05:108.440.45
02-12-2024 05:0080.48
02-12-2024 04:507.540.48
02-12-2024 04:407.120.54
02-12-2024 04:306.720.6
02-12-2024 04:206.320.66
02-12-2024 04:105.940.74
02-12-2024 04:005.570.81
02-12-2024 03:505.210.88
02-12-2024 03:404.820.91
02-12-2024 03:304.390.87
02-12-2024 03:203.950.8
02-12-2024 03:103.520.7
02-12-2024 03:003.110.6
02-12-2024 02:502.80.54
02-12-2024 02:402.480.44
02-12-2024 02:302.120.24
02-12-2024 02:201.840.08
02-12-2024 02:101.740.04
02-12-2024 02:001.740.06
02-12-2024 01:501.810.1
02-12-2024 01:401.920.12
02-12-2024 01:302.070.13
02-12-2024 01:202.240.13
02-12-2024 01:102.440.12
02-12-2024 01:002.630.08
02-12-2024 00:502.860.04
02-12-2024 00:403.09-0.01
02-12-2024 00:303.32-0.07
02-12-2024 00:203.58-0.13
02-12-2024 00:103.84-0.18
02-12-2024 00:004.14-0.19
01-12-2024 23:504.43-0.21
01-12-2024 23:404.7-0.25
01-12-2024 23:304.98-0.27
01-12-2024 23:205.27-0.29
01-12-2024 23:105.56-0.29
01-12-2024 23:005.86-0.29
01-12-2024 22:506.16-0.29
01-12-2024 22:406.48-0.28
01-12-2024 22:306.79-0.28
01-12-2024 22:207.11-0.28
01-12-2024 22:107.42-0.31
01-12-2024 22:007.72-0.35
01-12-2024 21:508.05-0.38
01-12-2024 21:408.38-0.41
01-12-2024 21:308.73-0.44
01-12-2024 21:209.09-0.45
01-12-2024 21:109.47-0.46
01-12-2024 21:009.84-0.46
01-12-2024 20:5010.2-0.46
01-12-2024 20:4010.59-0.42
01-12-2024 20:3010.95-0.37
01-12-2024 20:2011.31-0.31
01-12-2024 20:1011.64-0.23
01-12-2024 20:0011.9-0.19
01-12-2024 19:5012.12-0.14
01-12-2024 19:4012.32-0.05
01-12-2024 19:3012.460.01
01-12-2024 19:2012.520.06
01-12-2024 19:1012.50.07
01-12-2024 19:0012.420.09
01-12-2024 18:5012.310.11
01-12-2024 18:4012.140.13
01-12-2024 18:3011.910.13
01-12-2024 18:2011.670.16
01-12-2024 18:1011.410.21
01-12-2024 18:0011.090.23
01-12-2024 17:5010.770.27
01-12-2024 17:4010.410.3
01-12-2024 17:3010.050.34
01-12-2024 17:209.670.39
01-12-2024 17:109.290.46
01-12-2024 17:008.870.48
01-12-2024 16:508.430.5
01-12-2024 16:407.990.51
01-12-2024 16:307.550.55
01-12-2024 16:207.130.59
01-12-2024 16:106.730.66
01-12-2024 16:006.360.75
01-12-2024 15:505.970.81
01-12-2024 15:405.580.87
01-12-2024 15:305.250.96
01-12-2024 15:204.840.97
01-12-2024 15:104.40.92
01-12-2024 15:003.950.84
01-12-2024 14:503.520.74
01-12-2024 14:403.120.64
01-12-2024 14:302.780.55
01-12-2024 14:202.420.4
01-12-2024 14:102.050.2
01-12-2024 14:001.780.05
01-12-2024 13:501.710.04
01-12-2024 13:401.740.09
01-12-2024 13:301.840.15
01-12-2024 13:201.960.19
01-12-2024 13:102.10.21
01-12-2024 13:002.310.25
01-12-2024 12:502.50.23
01-12-2024 12:402.720.22
01-12-2024 12:302.950.19
01-12-2024 12:203.170.12
01-12-2024 12:103.430.09
01-12-2024 12:003.720.07
01-12-2024 11:5040.04
01-12-2024 11:404.27-0.01
01-12-2024 11:304.57-0.04
01-12-2024 11:204.86-0.07
01-12-2024 11:105.16-0.09
01-12-2024 11:005.45-0.12
01-12-2024 10:505.75-0.14
01-12-2024 10:406.05-0.16
01-12-2024 10:306.37-0.16
01-12-2024 10:206.68-0.19
01-12-2024 10:107-0.2
01-12-2024 10:007.33-0.22
01-12-2024 09:507.65-0.25
01-12-2024 09:407.99-0.28
01-12-2024 09:308.33-0.31
01-12-2024 09:208.68-0.35
01-12-2024 09:109.04-0.37
01-12-2024 09:009.43-0.36
01-12-2024 08:509.81-0.37
01-12-2024 08:4010.2-0.35
01-12-2024 08:3010.59-0.32
01-12-2024 08:2010.98-0.28
01-12-2024 08:1011.36-0.21
01-12-2024 08:0011.68-0.17
01-12-2024 07:5011.97-0.13
01-12-2024 07:4012.2-0.1
01-12-2024 07:3012.4-0.05
01-12-2024 07:2012.570.02
01-12-2024 07:1012.660.05
01-12-2024 07:0012.70.09
01-12-2024 06:5012.640.09
01-12-2024 06:4012.530.08
01-12-2024 06:3012.370.07
01-12-2024 06:2012.160.06
01-12-2024 06:1011.920.07
01-12-2024 06:0011.680.11
01-12-2024 05:5011.360.11
01-12-2024 05:4011.030.13
01-12-2024 05:3010.680.15
01-12-2024 05:2010.310.18
01-12-2024 05:109.920.22
01-12-2024 05:009.510.24
01-12-2024 04:509.10.28
01-12-2024 04:408.670.3
01-12-2024 04:308.220.31
01-12-2024 04:207.770.32
01-12-2024 04:107.330.36
01-12-2024 04:006.920.41
01-12-2024 03:506.510.48
01-12-2024 03:406.120.54
01-12-2024 03:305.720.6
01-12-2024 03:205.360.68
01-12-2024 03:1050.74
01-12-2024 03:004.60.75
01-12-2024 02:504.170.71
01-12-2024 02:403.730.62
01-12-2024 02:303.310.52
01-12-2024 02:202.940.45
01-12-2024 02:102.640.39
01-12-2024 02:002.30.26
01-12-2024 01:5020.12
01-12-2024 01:401.790.02
01-12-2024 01:301.750.05
01-12-2024 01:201.780.1
01-12-2024 01:101.860.15
01-12-2024 01:0020.22
01-12-2024 00:502.130.24
01-12-2024 00:402.30.25
01-12-2024 00:302.510.26
01-12-2024 00:202.720.26
01-12-2024 00:102.950.24
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