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 14:006.430.25
 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
17-01-2026 00:002.7-0.39
16-01-2026 23:502.81-0.37
16-01-2026 23:402.94-0.34
16-01-2026 23:303.09-0.32
16-01-2026 23:203.28-0.28
16-01-2026 23:103.48-0.24
16-01-2026 23:003.69-0.21
16-01-2026 22:503.92-0.17
16-01-2026 22:404.14-0.15
16-01-2026 22:304.39-0.11
16-01-2026 22:204.62-0.1
16-01-2026 22:104.89-0.07
16-01-2026 22:005.12-0.08
16-01-2026 21:505.4-0.06
16-01-2026 21:405.66-0.06
16-01-2026 21:305.94-0.06
16-01-2026 21:206.21-0.07
16-01-2026 21:106.49-0.08
16-01-2026 21:006.77-0.09
16-01-2026 20:507.06-0.1
16-01-2026 20:407.35-0.11
16-01-2026 20:307.64-0.12
16-01-2026 20:207.96-0.12
16-01-2026 20:108.25-0.11
16-01-2026 20:008.58-0.08
16-01-2026 19:508.9-0.04
16-01-2026 19:409.21-0
16-01-2026 19:309.510.05
16-01-2026 19:209.810.1
16-01-2026 19:1010.10.16
16-01-2026 19:0010.360.23
16-01-2026 18:5010.610.29
16-01-2026 18:4010.790.32
16-01-2026 18:3010.960.37
16-01-2026 18:2011.110.42
16-01-2026 18:1011.220.46
16-01-2026 18:0011.310.51
16-01-2026 17:5011.350.54
16-01-2026 17:4011.340.56
16-01-2026 17:3011.30.58
16-01-2026 17:2011.220.6
16-01-2026 17:1011.110.6
16-01-2026 17:0010.960.6
16-01-2026 16:5010.770.59
16-01-2026 16:4010.580.61
16-01-2026 16:3010.360.61
16-01-2026 16:2010.110.6
16-01-2026 16:109.840.59
16-01-2026 16:009.570.59
16-01-2026 15:509.280.58
16-01-2026 15:408.980.58
16-01-2026 15:308.690.58
16-01-2026 15:208.370.56
16-01-2026 15:108.060.56
16-01-2026 15:007.750.57
16-01-2026 14:507.440.56
16-01-2026 14:407.130.57
16-01-2026 14:306.810.56
16-01-2026 14:206.50.57
16-01-2026 14:106.220.6
16-01-2026 14:005.90.58
16-01-2026 13:505.590.57
16-01-2026 13:405.290.56
16-01-2026 13:3050.53
16-01-2026 13:204.710.49
16-01-2026 13:104.390.4
16-01-2026 13:004.10.32
16-01-2026 12:503.830.22
16-01-2026 12:403.590.12
16-01-2026 12:303.380.02
16-01-2026 12:203.17-0.1
16-01-2026 12:103-0.22
16-01-2026 12:002.9-0.31
16-01-2026 11:502.87-0.35
16-01-2026 11:402.9-0.36
16-01-2026 11:302.96-0.37
16-01-2026 11:203.07-0.36
16-01-2026 11:103.21-0.32
16-01-2026 11:003.39-0.27
16-01-2026 10:503.56-0.25
16-01-2026 10:403.73-0.23
16-01-2026 10:303.95-0.18
16-01-2026 10:204.18-0.13
16-01-2026 10:104.41-0.09
16-01-2026 10:004.64-0.06
16-01-2026 09:504.87-0.05
16-01-2026 09:405.1-0.04
16-01-2026 09:305.37-0.01
16-01-2026 09:205.62-0.01
16-01-2026 09:105.890.01
16-01-2026 09:006.180.02
16-01-2026 08:506.43-0
16-01-2026 08:406.71-0.01
16-01-2026 08:307-0.01
16-01-2026 08:207.29-0.03
16-01-2026 08:107.58-0.04
16-01-2026 08:007.86-0.05
16-01-2026 07:508.17-0.03
16-01-2026 07:408.48-0.02
16-01-2026 07:308.80.02
16-01-2026 07:209.10.06
16-01-2026 07:109.40.1
16-01-2026 07:009.70.15
16-01-2026 06:509.980.21
16-01-2026 06:4010.250.28
16-01-2026 06:3010.510.36
16-01-2026 06:2010.730.43
16-01-2026 06:1010.920.48
16-01-2026 06:0011.080.54
16-01-2026 05:5011.20.58
16-01-2026 05:4011.320.65
16-01-2026 05:3011.380.69
16-01-2026 05:2011.410.74
16-01-2026 05:1011.390.76
16-01-2026 05:0011.330.77
16-01-2026 04:5011.210.75
16-01-2026 04:4011.080.75
16-01-2026 04:3010.940.76
16-01-2026 04:2010.750.74
16-01-2026 04:1010.550.74
16-01-2026 04:0010.320.73
16-01-2026 03:5010.060.71
16-01-2026 03:409.80.69
16-01-2026 03:309.520.68
16-01-2026 03:209.230.65
16-01-2026 03:108.910.61
16-01-2026 03:008.60.58
16-01-2026 02:508.280.55
16-01-2026 02:407.960.51
16-01-2026 02:307.640.48
16-01-2026 02:207.320.45
16-01-2026 02:1070.42
16-01-2026 02:006.690.41
16-01-2026 01:506.380.39
16-01-2026 01:406.110.4
16-01-2026 01:305.820.39
16-01-2026 01:205.540.37
16-01-2026 01:105.270.36
16-01-2026 01:004.990.33
16-01-2026 00:504.720.28
16-01-2026 00:404.460.22
16-01-2026 00:304.190.13
16-01-2026 00:203.950.04
16-01-2026 00:103.73-0.05