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
16-11-2025 06:009.230.08
 Next HWNext LW
16:38, 11.48 10:45, 2.89
Date Highest 2025 Date Lowest 2025
27-04 15.33m 31-03 0.03m
Time (GMT)ElevationResidual
16-11-2025 06:009.230.08
16-11-2025 05:509.550.12
16-11-2025 05:409.830.14
16-11-2025 05:3010.130.2
16-11-2025 05:2010.390.24
16-11-2025 05:1010.620.27
16-11-2025 05:0010.810.29
16-11-2025 04:5010.970.31
16-11-2025 04:4011.080.31
16-11-2025 04:3011.150.3
16-11-2025 04:2011.160.27
16-11-2025 04:1011.130.24
16-11-2025 04:0011.060.19
16-11-2025 03:5010.960.16
16-11-2025 03:4010.80.11
16-11-2025 03:3010.630.09
16-11-2025 03:2010.440.07
16-11-2025 03:1010.220.05
16-11-2025 03:009.970.03
16-11-2025 02:509.690.02
16-11-2025 02:409.430.03
16-11-2025 02:309.140.03
16-11-2025 02:208.850.05
16-11-2025 02:108.530.05
16-11-2025 02:008.20.05
16-11-2025 01:507.880.05
16-11-2025 01:407.580.08
16-11-2025 01:307.250.07
16-11-2025 01:206.920.07
16-11-2025 01:106.60.07
16-11-2025 01:006.310.08
16-11-2025 00:506.020.1
16-11-2025 00:405.750.13
16-11-2025 00:305.460.13
16-11-2025 00:205.190.14
16-11-2025 00:104.910.14
16-11-2025 00:004.640.13
15-11-2025 23:504.340.08
15-11-2025 23:404.040.01
15-11-2025 23:303.76-0.06
15-11-2025 23:203.49-0.15
15-11-2025 23:103.26-0.21
15-11-2025 23:003.06-0.28
15-11-2025 22:502.87-0.36
15-11-2025 22:402.72-0.44
15-11-2025 22:302.64-0.48
15-11-2025 22:202.62-0.48
15-11-2025 22:102.66-0.47
15-11-2025 22:002.74-0.45
15-11-2025 21:502.85-0.42
15-11-2025 21:402.98-0.4
15-11-2025 21:303.15-0.37
15-11-2025 21:203.32-0.35
15-11-2025 21:103.49-0.34
15-11-2025 21:003.71-0.3
15-11-2025 20:503.92-0.28
15-11-2025 20:404.14-0.26
15-11-2025 20:304.37-0.23
15-11-2025 20:204.61-0.2
15-11-2025 20:104.84-0.18
15-11-2025 20:005.06-0.18
15-11-2025 19:505.3-0.15
15-11-2025 19:405.55-0.12
15-11-2025 19:305.81-0.1
15-11-2025 19:206.07-0.07
15-11-2025 19:106.34-0.05
15-11-2025 19:006.61-0.03
15-11-2025 18:506.89-0.02
15-11-2025 18:407.16-0.01
15-11-2025 18:307.45-0.01
15-11-2025 18:207.740.01
15-11-2025 18:108.050.03
15-11-2025 18:008.360.05
15-11-2025 17:508.670.07
15-11-2025 17:408.980.11
15-11-2025 17:309.270.12
15-11-2025 17:209.580.16
15-11-2025 17:109.870.2
15-11-2025 17:0010.130.23
15-11-2025 16:5010.390.27
15-11-2025 16:4010.60.29
15-11-2025 16:3010.790.31
15-11-2025 16:2010.950.33
15-11-2025 16:1011.090.36
15-11-2025 16:0011.180.37
15-11-2025 15:5011.230.37
15-11-2025 15:4011.220.34
15-11-2025 15:3011.170.31
15-11-2025 15:2011.10.29
15-11-2025 15:1010.990.27
15-11-2025 15:0010.840.23
15-11-2025 14:5010.670.21
15-11-2025 14:4010.470.19
15-11-2025 14:3010.260.18
15-11-2025 14:20100.15
15-11-2025 14:109.740.13
15-11-2025 14:009.470.13
15-11-2025 13:509.190.12
15-11-2025 13:408.890.1
15-11-2025 13:308.590.1
15-11-2025 13:208.30.1
15-11-2025 13:108.010.12
15-11-2025 13:007.710.12
15-11-2025 12:507.420.12
15-11-2025 12:407.10.11
15-11-2025 12:306.810.11
15-11-2025 12:206.510.11
15-11-2025 12:106.220.11
15-11-2025 12:005.920.1
15-11-2025 11:505.620.08
15-11-2025 11:405.330.06
15-11-2025 11:305.060.05
15-11-2025 11:204.770.01
15-11-2025 11:104.49-0.04
15-11-2025 11:004.22-0.1
15-11-2025 10:503.95-0.17
15-11-2025 10:403.72-0.23
15-11-2025 10:303.53-0.28
15-11-2025 10:203.35-0.35
15-11-2025 10:103.2-0.41
15-11-2025 10:003.09-0.47
15-11-2025 09:503.04-0.49
15-11-2025 09:403.04-0.5
15-11-2025 09:303.08-0.49
15-11-2025 09:203.18-0.45
15-11-2025 09:103.3-0.41
15-11-2025 09:003.44-0.37
15-11-2025 08:503.59-0.33
15-11-2025 08:403.77-0.29
15-11-2025 08:303.96-0.24
15-11-2025 08:204.18-0.17
15-11-2025 08:104.4-0.11
15-11-2025 08:004.61-0.06
15-11-2025 07:504.81-0.03
15-11-2025 07:405.050.03
15-11-2025 07:305.280.08
15-11-2025 07:205.520.13
15-11-2025 07:105.770.19
15-11-2025 07:006.030.24
15-11-2025 06:506.30.3
15-11-2025 06:406.550.32
15-11-2025 06:306.810.36
15-11-2025 06:207.070.38
15-11-2025 06:107.350.41
15-11-2025 06:007.620.43
15-11-2025 05:507.910.46
15-11-2025 05:408.20.49
15-11-2025 05:308.490.51
15-11-2025 05:208.760.53
15-11-2025 05:109.050.56
15-11-2025 05:009.340.6
15-11-2025 04:509.610.64
15-11-2025 04:409.870.67
15-11-2025 04:3010.110.7
15-11-2025 04:2010.340.73
15-11-2025 04:1010.520.74
15-11-2025 04:0010.690.77
15-11-2025 03:5010.810.75
15-11-2025 03:4010.90.74
15-11-2025 03:3010.940.71
15-11-2025 03:2010.940.67
15-11-2025 03:1010.90.61
15-11-2025 03:0010.830.56
15-11-2025 02:5010.720.5
15-11-2025 02:4010.580.44
15-11-2025 02:3010.420.4
15-11-2025 02:2010.250.37
15-11-2025 02:1010.050.34
15-11-2025 02:009.830.31
15-11-2025 01:509.60.29
15-11-2025 01:409.350.27
15-11-2025 01:309.110.28
15-11-2025 01:208.850.29
15-11-2025 01:108.580.28
15-11-2025 01:008.310.29
15-11-2025 00:508.050.3
15-11-2025 00:407.780.32
15-11-2025 00:307.510.32
15-11-2025 00:207.240.32
15-11-2025 00:106.960.32
15-11-2025 00:006.710.34
14-11-2025 23:506.440.34
14-11-2025 23:406.190.35
14-11-2025 23:305.930.34
14-11-2025 23:205.680.34
14-11-2025 23:105.440.34
14-11-2025 23:005.20.33
14-11-2025 22:504.970.31
14-11-2025 22:404.720.27
14-11-2025 22:304.490.23
14-11-2025 22:204.270.17
14-11-2025 22:104.050.09
14-11-2025 22:003.860.03
14-11-2025 21:503.71-0.04
14-11-2025 21:403.57-0.11
14-11-2025 21:303.46-0.19
14-11-2025 21:203.38-0.26
14-11-2025 21:103.34-0.31
14-11-2025 21:003.36-0.34
14-11-2025 20:503.41-0.35
14-11-2025 20:403.48-0.36
14-11-2025 20:303.56-0.38
14-11-2025 20:203.69-0.37
14-11-2025 20:103.83-0.35
14-11-2025 20:003.97-0.35
14-11-2025 19:504.14-0.32
14-11-2025 19:404.33-0.29
14-11-2025 19:304.5-0.27
14-11-2025 19:204.68-0.25
14-11-2025 19:104.87-0.24
14-11-2025 19:005.08-0.2
14-11-2025 18:505.28-0.17
14-11-2025 18:405.5-0.15
14-11-2025 18:305.73-0.12
14-11-2025 18:205.97-0.09
14-11-2025 18:106.19-0.08
14-11-2025 18:006.43-0.07
14-11-2025 17:506.67-0.07
14-11-2025 17:406.92-0.06
14-11-2025 17:307.19-0.04
14-11-2025 17:207.42-0.06
14-11-2025 17:107.7-0.04
14-11-2025 17:007.96-0.03
14-11-2025 16:508.24-0.01
14-11-2025 16:408.510
14-11-2025 16:308.760.01
14-11-2025 16:208.990.01
14-11-2025 16:109.250.04
14-11-2025 16:009.470.05
14-11-2025 15:509.70.08
14-11-2025 15:409.910.11
14-11-2025 15:3010.080.11
14-11-2025 15:2010.250.14
14-11-2025 15:1010.380.16
14-11-2025 15:0010.490.18
14-11-2025 14:5010.550.17
14-11-2025 14:4010.580.17
14-11-2025 14:3010.580.16
14-11-2025 14:2010.540.14
14-11-2025 14:1010.480.13
14-11-2025 14:0010.40.12
14-11-2025 13:5010.290.12
14-11-2025 13:4010.140.1
14-11-2025 13:309.980.09
14-11-2025 13:209.820.11
14-11-2025 13:109.610.1
14-11-2025 13:009.40.1
14-11-2025 12:509.190.11
14-11-2025 12:408.960.12
14-11-2025 12:308.70.12
14-11-2025 12:208.460.13
14-11-2025 12:108.230.15
14-11-2025 12:007.960.15
14-11-2025 11:507.70.15
14-11-2025 11:407.430.14
14-11-2025 11:307.150.13
14-11-2025 11:206.880.12
14-11-2025 11:106.620.12
14-11-2025 11:006.350.12
14-11-2025 10:506.090.11
14-11-2025 10:405.820.09
14-11-2025 10:305.580.09
14-11-2025 10:205.350.09
14-11-2025 10:105.120.08
14-11-2025 10:004.910.06
14-11-2025 09:504.680.02
14-11-2025 09:404.47-0.03
14-11-2025 09:304.27-0.09
14-11-2025 09:204.08-0.16
14-11-2025 09:103.93-0.22
14-11-2025 09:003.79-0.29
14-11-2025 08:503.66-0.38
14-11-2025 08:403.58-0.43
14-11-2025 08:303.5-0.52
14-11-2025 08:203.48-0.56
14-11-2025 08:103.49-0.58
14-11-2025 08:003.54-0.59
14-11-2025 07:503.61-0.58
14-11-2025 07:403.71-0.55
14-11-2025 07:303.84-0.52
14-11-2025 07:203.96-0.49
14-11-2025 07:104.12-0.44
14-11-2025 07:004.28-0.4
14-11-2025 06:504.46-0.34
14-11-2025 06:404.63-0.3
14-11-2025 06:304.81-0.26
14-11-2025 06:205.02-0.21
14-11-2025 06:105.23-0.16