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
09-06-2026 08:304.460.25
 Next HWNext LW
13:14, 10.52 19:16, 3.37
Date Highest 2026 Date Lowest 2026
04-02 14.02m 21-03 0.33m
Time (GMT)ElevationResidual
09-06-2026 08:304.460.25
09-06-2026 08:204.20.2
09-06-2026 08:103.950.14
09-06-2026 08:003.70.07
09-06-2026 07:503.510.03
09-06-2026 07:403.35-0.01
09-06-2026 07:303.21-0.04
09-06-2026 07:203.07-0.1
09-06-2026 07:103.02-0.1
09-06-2026 07:003-0.09
09-06-2026 06:503.04-0.05
09-06-2026 06:403.150.04
09-06-2026 06:303.280.11
09-06-2026 06:203.410.16
09-06-2026 06:103.570.22
09-06-2026 06:003.750.27
09-06-2026 05:503.930.3
09-06-2026 05:404.140.35
09-06-2026 05:304.350.37
09-06-2026 05:204.580.4
09-06-2026 05:104.810.42
09-06-2026 05:005.030.42
09-06-2026 04:505.240.4
09-06-2026 04:405.480.4
09-06-2026 04:305.710.39
09-06-2026 04:205.970.4
09-06-2026 04:106.220.38
09-06-2026 04:006.480.38
09-06-2026 03:506.730.36
09-06-2026 03:406.990.33
09-06-2026 03:307.240.29
09-06-2026 03:207.50.25
09-06-2026 03:107.760.21
09-06-2026 03:008.030.17
09-06-2026 02:508.30.14
09-06-2026 02:408.570.11
09-06-2026 02:308.840.08
09-06-2026 02:209.110.06
09-06-2026 02:109.370.05
09-06-2026 02:009.620.05
09-06-2026 01:509.850.05
09-06-2026 01:4010.050.04
09-06-2026 01:3010.230.05
09-06-2026 01:2010.390.07
09-06-2026 01:1010.520.08
09-06-2026 01:0010.610.09
09-06-2026 00:5010.670.1
09-06-2026 00:4010.680.1
09-06-2026 00:3010.660.09
09-06-2026 00:2010.630.1
09-06-2026 00:0010.440.07
08-06-2026 23:5010.330.08
08-06-2026 23:4010.180.06
08-06-2026 23:3010.010.04
08-06-2026 23:209.830.03
08-06-2026 23:009.420.03
08-06-2026 22:509.20.02
08-06-2026 22:408.970.02
08-06-2026 22:208.480.03
08-06-2026 22:108.250.06
08-06-2026 22:0080.09
08-06-2026 21:507.760.12
08-06-2026 21:407.50.14
08-06-2026 21:307.260.19
08-06-2026 21:2070.22
08-06-2026 21:106.760.26
08-06-2026 21:006.50.29
08-06-2026 20:506.240.32
08-06-2026 20:4060.36
08-06-2026 20:305.760.39
08-06-2026 20:005.070.45
08-06-2026 19:504.830.44
08-06-2026 19:404.60.42
08-06-2026 19:304.360.37
08-06-2026 19:204.130.31
08-06-2026 19:103.940.27
08-06-2026 16:304.910.31
08-06-2026 16:205.140.33
08-06-2026 16:005.60.35
08-06-2026 15:505.830.35
08-06-2026 15:406.070.34
08-06-2026 15:306.310.33
08-06-2026 15:206.560.31
08-06-2026 15:106.810.29
08-06-2026 15:007.070.26
08-06-2026 14:507.310.2
08-06-2026 14:407.560.15
08-06-2026 14:307.830.1
08-06-2026 14:208.10.05
08-06-2026 14:108.35-0
08-06-2026 14:008.6-0.06
08-06-2026 13:508.85-0.1
08-06-2026 13:409.12-0.11
08-06-2026 13:309.36-0.13
08-06-2026 13:209.59-0.14
08-06-2026 13:109.82-0.12
08-06-2026 13:0010.03-0.08
08-06-2026 12:5010.2-0.06
08-06-2026 12:4010.36-0.02
08-06-2026 12:3010.460.01
08-06-2026 12:2010.530.04
08-06-2026 12:1010.550.05
08-06-2026 12:0010.560.08
08-06-2026 11:5010.510.08
08-06-2026 11:4010.440.09
08-06-2026 11:3010.330.08
08-06-2026 11:2010.210.09
08-06-2026 11:1010.060.08
08-06-2026 11:009.880.08
08-06-2026 10:509.670.05
08-06-2026 10:409.460.05
08-06-2026 10:309.230.03
08-06-2026 10:208.990.02
08-06-2026 10:108.730.02
08-06-2026 10:008.460.01
08-06-2026 09:508.190.01
08-06-2026 09:407.910.01
08-06-2026 09:307.620.02
08-06-2026 09:207.340.04
08-06-2026 09:107.070.07
08-06-2026 09:006.770.08
08-06-2026 08:506.50.12
08-06-2026 08:406.190.13
08-06-2026 08:305.920.16
08-06-2026 08:205.650.19
08-06-2026 08:105.390.22
08-06-2026 08:005.140.25
08-06-2026 07:504.880.27
08-06-2026 07:404.630.27
08-06-2026 07:304.350.24
08-06-2026 07:204.10.21
08-06-2026 07:103.850.16
08-06-2026 07:003.620.11
08-06-2026 06:503.430.06
08-06-2026 06:403.23-0.02
08-06-2026 06:303.07-0.07
08-06-2026 06:202.99-0.09
08-06-2026 06:102.95-0.1
08-06-2026 06:002.99-0.06
08-06-2026 05:503.05-0.02
08-06-2026 05:403.160.04
08-06-2026 05:303.290.09
08-06-2026 05:203.430.13
08-06-2026 05:103.60.17
08-06-2026 05:003.80.22
08-06-2026 04:503.970.23
08-06-2026 04:404.20.27
08-06-2026 04:304.40.29
08-06-2026 04:204.620.31
08-06-2026 04:104.830.32
08-06-2026 04:005.070.34
08-06-2026 03:505.310.36
08-06-2026 03:405.550.38
08-06-2026 03:305.80.39
08-06-2026 03:206.040.4
08-06-2026 03:106.310.42
08-06-2026 03:006.560.42
08-06-2026 02:506.810.41
08-06-2026 02:407.090.41
08-06-2026 02:307.360.39
08-06-2026 02:207.640.37
08-06-2026 02:107.90.33
08-06-2026 02:008.170.29
08-06-2026 01:508.450.25
08-06-2026 01:408.710.21
08-06-2026 01:308.980.17
08-06-2026 01:209.250.15
08-06-2026 01:109.510.12
08-06-2026 01:009.750.11
08-06-2026 00:509.980.11
08-06-2026 00:4010.190.1
08-06-2026 00:3010.380.11
08-06-2026 00:2010.520.12
08-06-2026 00:1010.650.13
08-06-2026 00:0010.730.13
07-06-2026 23:5010.770.13
07-06-2026 23:4010.810.15
07-06-2026 23:3010.80.16
07-06-2026 23:2010.750.16
07-06-2026 23:1010.670.15
07-06-2026 23:0010.560.14
07-06-2026 22:5010.420.11
07-06-2026 22:4010.260.1
07-06-2026 22:3010.080.08
07-06-2026 22:209.890.06
07-06-2026 22:109.680.05
07-06-2026 22:009.460.03
07-06-2026 21:509.220.02
07-06-2026 21:408.980.01
07-06-2026 21:308.730.01
07-06-2026 21:208.490.03
07-06-2026 21:108.230.05
07-06-2026 21:007.960.06
07-06-2026 20:507.690.09
07-06-2026 20:407.410.11
07-06-2026 20:307.150.15
07-06-2026 20:206.870.18
07-06-2026 20:106.610.23
07-06-2026 20:006.330.26
07-06-2026 19:506.080.31
07-06-2026 19:405.80.34
07-06-2026 19:305.550.38
07-06-2026 19:205.310.42
07-06-2026 19:105.060.45
07-06-2026 19:004.820.46
07-06-2026 18:504.570.45
07-06-2026 18:404.320.41
07-06-2026 18:304.060.35
07-06-2026 18:203.820.27
07-06-2026 18:103.610.19
07-06-2026 18:003.410.1
07-06-2026 17:503.23-0.01
07-06-2026 17:403.09-0.1
07-06-2026 17:303.02-0.16
07-06-2026 17:203.02-0.19
07-06-2026 17:103.08-0.17
07-06-2026 17:003.16-0.16
07-06-2026 16:503.28-0.14
07-06-2026 16:403.41-0.14
07-06-2026 16:303.59-0.1
07-06-2026 16:203.77-0.08
07-06-2026 16:103.96-0.06
07-06-2026 16:004.16-0.04
07-06-2026 15:504.37-0.02
07-06-2026 15:404.60.01
07-06-2026 15:304.830.04
07-06-2026 15:205.060.06
07-06-2026 15:105.30.08
07-06-2026 15:005.530.09
07-06-2026 14:505.780.11
07-06-2026 14:406.040.12
07-06-2026 14:306.290.11
07-06-2026 14:206.540.09
07-06-2026 14:106.80.07
07-06-2026 14:007.070.04
07-06-2026 13:507.33-0.01
07-06-2026 13:407.61-0.04
07-06-2026 13:307.88-0.1
07-06-2026 13:208.15-0.15
07-06-2026 13:108.43-0.19
07-06-2026 13:008.71-0.22
07-06-2026 12:508.98-0.24
07-06-2026 12:409.25-0.25
07-06-2026 12:309.52-0.23
07-06-2026 12:209.78-0.2
07-06-2026 12:1010.01-0.16
07-06-2026 12:0010.24-0.09
07-06-2026 11:5010.42-0.04
07-06-2026 11:4010.570.03
07-06-2026 11:3010.70.1
07-06-2026 11:2010.760.15
07-06-2026 11:1010.780.19
07-06-2026 11:0010.750.2
07-06-2026 10:5010.690.22
07-06-2026 10:4010.60.23
07-06-2026 10:3010.460.22
07-06-2026 10:2010.30.21
07-06-2026 10:1010.130.2
07-06-2026 10:009.930.2
07-06-2026 09:509.720.19
07-06-2026 09:409.460.16
07-06-2026 09:309.230.16
07-06-2026 09:208.960.15
07-06-2026 09:108.690.14
07-06-2026 09:008.40.14
07-06-2026 08:508.130.16
07-06-2026 08:407.840.18
07-06-2026 08:307.540.19
07-06-2026 08:207.250.22
07-06-2026 08:106.950.25