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
14-02-2026 12:404.08-0.25
 Next HWNext LW
17:27, 10.18 00:03, 3.47
Date Highest 2026 Date Lowest 2026
04-02 14.02m 03-02 0.75m
Time (GMT)ElevationResidual
14-02-2026 12:404.08-0.25
14-02-2026 12:303.8-0.37
14-02-2026 12:203.54-0.51
14-02-2026 12:103.32-0.62
14-02-2026 12:003.11-0.75
14-02-2026 11:502.91-0.89
14-02-2026 11:402.74-1.04
14-02-2026 11:302.64-1.13
14-02-2026 11:202.61-1.18
14-02-2026 11:102.65-1.18
14-02-2026 11:002.72-1.16
14-02-2026 10:502.82-1.13
14-02-2026 10:402.94-1.09
14-02-2026 10:303.1-1.03
14-02-2026 10:203.29-0.95
14-02-2026 10:103.48-0.87
14-02-2026 10:003.69-0.78
14-02-2026 09:503.93-0.68
14-02-2026 09:404.17-0.58
14-02-2026 09:304.43-0.48
14-02-2026 09:204.67-0.4
14-02-2026 09:104.93-0.33
14-02-2026 09:005.19-0.27
14-02-2026 08:505.47-0.18
14-02-2026 08:405.75-0.13
14-02-2026 08:306.02-0.09
14-02-2026 08:206.29-0.06
14-02-2026 08:106.57-0.03
14-02-2026 08:006.84-0.02
14-02-2026 07:507.130.01
14-02-2026 07:407.410.03
14-02-2026 07:307.690.05
14-02-2026 07:207.980.09
14-02-2026 07:108.270.13
14-02-2026 07:008.560.18
14-02-2026 06:508.830.22
14-02-2026 06:409.090.27
14-02-2026 06:309.350.33
14-02-2026 06:209.620.42
14-02-2026 06:109.850.49
14-02-2026 06:0010.090.58
14-02-2026 05:5010.260.62
14-02-2026 05:4010.430.69
14-02-2026 05:3010.550.72
14-02-2026 05:2010.660.77
14-02-2026 05:1010.710.78
14-02-2026 05:0010.740.8
14-02-2026 04:5010.730.79
14-02-2026 04:4010.680.77
14-02-2026 04:3010.60.74
14-02-2026 04:2010.480.69
14-02-2026 04:1010.320.63
14-02-2026 04:0010.140.57
14-02-2026 03:509.950.52
14-02-2026 03:409.720.44
14-02-2026 03:309.480.37
14-02-2026 03:209.230.3
14-02-2026 03:108.970.24
14-02-2026 03:008.70.18
14-02-2026 02:508.430.12
14-02-2026 02:408.160.07
14-02-2026 02:307.880.02
14-02-2026 02:207.61-0.02
14-02-2026 02:107.34-0.06
14-02-2026 02:007.06-0.11
14-02-2026 01:506.79-0.14
14-02-2026 01:406.51-0.18
14-02-2026 01:306.22-0.24
14-02-2026 01:205.94-0.28
14-02-2026 01:105.66-0.34
14-02-2026 01:005.39-0.37
14-02-2026 00:505.14-0.42
14-02-2026 00:404.89-0.47
14-02-2026 00:304.63-0.53
14-02-2026 00:204.4-0.59
14-02-2026 00:104.15-0.68
14-02-2026 00:003.91-0.78
13-02-2026 23:503.7-0.87
13-02-2026 23:403.51-0.97
13-02-2026 23:303.34-1.06
13-02-2026 23:203.19-1.16
13-02-2026 23:103.07-1.24
13-02-2026 23:002.98-1.31
13-02-2026 22:502.92-1.38
13-02-2026 22:402.9-1.41
13-02-2026 22:302.92-1.42
13-02-2026 22:202.98-1.39
13-02-2026 22:103.07-1.35
13-02-2026 22:003.17-1.31
13-02-2026 21:503.32-1.23
13-02-2026 21:403.49-1.14
13-02-2026 21:303.67-1.04
13-02-2026 21:203.84-0.95
13-02-2026 21:104.05-0.84
13-02-2026 21:004.26-0.75
13-02-2026 20:504.47-0.66
13-02-2026 20:404.69-0.58
13-02-2026 20:304.89-0.52
13-02-2026 20:205.15-0.43
13-02-2026 20:105.36-0.4
13-02-2026 20:005.6-0.35
13-02-2026 19:505.82-0.32
13-02-2026 19:406.06-0.29
13-02-2026 19:306.31-0.26
13-02-2026 19:206.54-0.24
13-02-2026 19:106.8-0.21
13-02-2026 19:007.05-0.18
13-02-2026 18:507.3-0.15
13-02-2026 18:407.56-0.1
13-02-2026 18:307.81-0.05
13-02-2026 18:208.070
13-02-2026 18:108.310.06
13-02-2026 18:008.550.11
13-02-2026 17:508.780.18
13-02-2026 17:408.970.22
13-02-2026 17:309.180.29
13-02-2026 17:209.360.34
13-02-2026 17:109.510.38
13-02-2026 17:009.630.41
13-02-2026 16:509.750.46
13-02-2026 16:409.810.47
13-02-2026 16:309.880.5
13-02-2026 16:209.910.51
13-02-2026 16:109.920.52
13-02-2026 16:009.910.53
13-02-2026 15:509.860.53
13-02-2026 15:409.80.53
13-02-2026 15:309.710.52
13-02-2026 15:209.60.51
13-02-2026 15:109.480.5
13-02-2026 15:009.340.48
13-02-2026 14:509.170.45
13-02-2026 14:4090.43
13-02-2026 14:308.810.4
13-02-2026 14:208.630.39
13-02-2026 14:108.420.36
13-02-2026 14:008.210.33
13-02-2026 13:507.980.3
13-02-2026 13:407.760.27
13-02-2026 13:307.530.25
13-02-2026 13:207.340.27
13-02-2026 13:107.120.26
13-02-2026 13:006.890.25
13-02-2026 12:506.710.28
13-02-2026 12:406.410.2
13-02-2026 12:306.190.19
13-02-2026 12:205.960.16
13-02-2026 12:105.730.13
13-02-2026 12:005.510.1
13-02-2026 11:505.310.07
13-02-2026 11:405.130.04
13-02-2026 11:304.960.01
13-02-2026 11:204.8-0.03
13-02-2026 11:104.67-0.06
13-02-2026 11:004.54-0.1
13-02-2026 10:504.44-0.14
13-02-2026 10:404.36-0.18
13-02-2026 10:304.28-0.22
13-02-2026 10:204.25-0.24
13-02-2026 10:104.22-0.25
13-02-2026 10:004.22-0.26
13-02-2026 09:504.24-0.26
13-02-2026 09:404.28-0.24
13-02-2026 09:304.35-0.2
13-02-2026 09:204.44-0.15
13-02-2026 09:104.55-0.09
13-02-2026 09:004.68-0.02
13-02-2026 08:504.810.05
13-02-2026 08:404.960.12
13-02-2026 08:305.130.19
13-02-2026 08:205.310.26
13-02-2026 08:105.490.32
13-02-2026 08:005.670.37
13-02-2026 07:505.890.43
13-02-2026 07:406.090.46
13-02-2026 07:306.310.49
13-02-2026 07:206.520.5
13-02-2026 07:106.740.52
13-02-2026 07:006.960.52
13-02-2026 06:507.170.51
13-02-2026 06:407.40.52
13-02-2026 06:307.620.52
13-02-2026 06:207.850.53
13-02-2026 06:108.060.54
13-02-2026 06:008.270.54
13-02-2026 05:508.470.55
13-02-2026 05:408.670.56
13-02-2026 05:308.850.57
13-02-2026 05:209.030.59
13-02-2026 05:109.180.59
13-02-2026 05:009.310.58
13-02-2026 04:509.430.58
13-02-2026 04:409.530.58
13-02-2026 04:309.610.56
13-02-2026 04:209.660.53
13-02-2026 04:109.710.51
13-02-2026 04:009.720.49
13-02-2026 03:509.730.46
13-02-2026 03:409.710.43
13-02-2026 03:309.680.4
13-02-2026 03:209.630.38
13-02-2026 03:109.550.34
13-02-2026 03:009.470.3
13-02-2026 02:509.360.26
13-02-2026 02:409.240.23
13-02-2026 02:309.090.18
13-02-2026 02:208.940.13
13-02-2026 02:108.780.1
13-02-2026 02:008.620.07
13-02-2026 01:508.460.05
13-02-2026 01:408.290.03
13-02-2026 01:308.110.01
13-02-2026 01:207.92-0.01
13-02-2026 01:107.74-0.02
13-02-2026 01:007.55-0.03
13-02-2026 00:507.37-0.01
13-02-2026 00:407.20.01
13-02-2026 00:307.030.03
13-02-2026 00:206.860.06
13-02-2026 00:106.690.08
13-02-2026 00:006.540.13
12-02-2026 23:506.380.16
12-02-2026 23:406.240.2
12-02-2026 23:306.110.25
12-02-2026 23:205.970.27
12-02-2026 23:105.850.3
12-02-2026 23:005.730.31
12-02-2026 22:505.630.33
12-02-2026 22:405.530.34
12-02-2026 22:305.440.34
12-02-2026 22:205.350.33
12-02-2026 22:105.280.34
12-02-2026 22:005.220.34
12-02-2026 21:505.170.34
12-02-2026 21:405.140.35
12-02-2026 21:305.120.37
12-02-2026 21:205.10.38
12-02-2026 21:105.110.41
12-02-2026 21:005.130.45
12-02-2026 20:505.150.47
12-02-2026 20:405.160.49
12-02-2026 20:305.20.52
12-02-2026 20:205.240.54
12-02-2026 20:105.30.57
12-02-2026 20:005.360.57
12-02-2026 19:505.430.58
12-02-2026 19:405.510.57
12-02-2026 19:305.610.56
12-02-2026 19:205.730.57
12-02-2026 19:105.860.56
12-02-2026 19:006.010.54
12-02-2026 18:506.160.53
12-02-2026 18:406.320.51
12-02-2026 18:306.470.46
12-02-2026 18:206.620.4
12-02-2026 18:106.770.35
12-02-2026 18:006.920.29
12-02-2026 17:507.070.23
12-02-2026 17:407.220.18
12-02-2026 17:307.370.13
12-02-2026 17:207.540.1
12-02-2026 17:107.70.07
12-02-2026 17:007.850.04
12-02-2026 16:508.020.03
12-02-2026 16:408.180.03
12-02-2026 16:308.320.02
12-02-2026 16:208.470.02
12-02-2026 16:108.60.01
12-02-2026 16:008.710
12-02-2026 15:508.8-0.01
12-02-2026 15:408.89-0.02
12-02-2026 15:308.96-0.03
12-02-2026 15:209.01-0.04
12-02-2026 15:109.05-0.06
12-02-2026 15:009.07-0.07
12-02-2026 14:509.07-0.08
12-02-2026 14:409.08-0.08
12-02-2026 14:309.07-0.07
12-02-2026 14:209.03-0.08
12-02-2026 14:108.99-0.07
12-02-2026 14:008.93-0.08
12-02-2026 13:508.86-0.07
12-02-2026 13:408.77-0.06
12-02-2026 13:308.7-0.04
12-02-2026 13:208.6-0.02
12-02-2026 13:108.510.02
12-02-2026 13:008.390.04
12-02-2026 12:508.270.08
12-02-2026 12:408.150.12
12-02-2026 12:308.040.18
12-02-2026 12:207.90.23
12-02-2026 12:107.770.3