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 14:106.720.27
 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
19-01-2026 00:004.08-0.04
18-01-2026 23:504.36-0.04
18-01-2026 23:404.64-0.05
18-01-2026 23:304.93-0.07
18-01-2026 23:205.22-0.08
18-01-2026 23:105.51-0.11
18-01-2026 23:005.82-0.13
18-01-2026 22:506.11-0.16
18-01-2026 22:406.44-0.18
18-01-2026 22:306.74-0.22
18-01-2026 22:207.07-0.24
18-01-2026 22:107.38-0.28
18-01-2026 22:007.72-0.3
18-01-2026 21:508.05-0.34
18-01-2026 21:408.39-0.36
18-01-2026 21:308.76-0.35
18-01-2026 21:209.13-0.34
18-01-2026 21:109.5-0.31
18-01-2026 21:009.88-0.27
18-01-2026 20:5010.25-0.21
18-01-2026 20:4010.61-0.16
18-01-2026 20:3010.97-0.08
18-01-2026 20:2011.30.01
18-01-2026 20:1011.570.06
18-01-2026 20:0011.810.12
18-01-2026 19:50120.17
18-01-2026 19:4012.140.21
18-01-2026 19:3012.210.23
18-01-2026 19:2012.220.23
18-01-2026 19:1012.160.21
18-01-2026 19:0012.050.18
18-01-2026 18:5011.880.15
18-01-2026 18:4011.690.13
18-01-2026 18:3011.440.1
18-01-2026 18:2011.190.1
18-01-2026 18:1010.90.09
18-01-2026 18:0010.580.09
18-01-2026 17:5010.250.09
18-01-2026 17:409.910.11
18-01-2026 17:309.540.11
18-01-2026 17:209.180.14
18-01-2026 17:108.80.15
18-01-2026 17:008.410.16
18-01-2026 16:507.990.15
18-01-2026 16:407.590.16
18-01-2026 16:307.20.18
18-01-2026 16:206.80.2
18-01-2026 16:106.430.24
18-01-2026 16:006.040.26
18-01-2026 15:505.680.31
18-01-2026 15:405.350.37
18-01-2026 15:305.010.42
18-01-2026 15:204.640.42
18-01-2026 15:104.250.38
18-01-2026 15:003.830.29
18-01-2026 14:503.420.18
18-01-2026 14:403.040.07
18-01-2026 14:302.72-0.02
18-01-2026 14:202.41-0.13
18-01-2026 14:102.06-0.33
18-01-2026 14:001.8-0.47
18-01-2026 13:501.7-0.5
18-01-2026 13:401.71-0.46
18-01-2026 13:301.78-0.41
18-01-2026 13:201.89-0.35
18-01-2026 13:102.03-0.3
18-01-2026 13:002.18-0.26
18-01-2026 12:502.39-0.2
18-01-2026 12:402.58-0.19
18-01-2026 12:302.8-0.17
18-01-2026 12:203.03-0.16
18-01-2026 12:103.27-0.15
18-01-2026 12:003.54-0.13
18-01-2026 11:503.82-0.11
18-01-2026 11:404.08-0.11
18-01-2026 11:304.36-0.11
18-01-2026 11:204.63-0.13
18-01-2026 11:104.93-0.13
18-01-2026 11:005.21-0.16
18-01-2026 10:505.51-0.17
18-01-2026 10:405.8-0.21
18-01-2026 10:306.1-0.24
18-01-2026 10:206.41-0.27
18-01-2026 10:106.72-0.31
18-01-2026 10:007.04-0.35
18-01-2026 09:507.37-0.38
18-01-2026 09:407.69-0.42
18-01-2026 09:308.02-0.45
18-01-2026 09:208.35-0.48
18-01-2026 09:108.71-0.47
18-01-2026 09:009.06-0.47
18-01-2026 08:509.44-0.44
18-01-2026 08:409.8-0.4
18-01-2026 08:3010.15-0.36
18-01-2026 08:2010.49-0.3
18-01-2026 08:1010.82-0.24
18-01-2026 08:0011.14-0.16
18-01-2026 07:5011.43-0.08
18-01-2026 07:4011.65-0.04
18-01-2026 07:3011.850.03
18-01-2026 07:2012.010.09
18-01-2026 07:1012.10.13
18-01-2026 07:0012.140.15
18-01-2026 06:5012.10.15
18-01-2026 06:4012.020.14
18-01-2026 06:3011.890.12
18-01-2026 06:2011.710.1
18-01-2026 06:1011.510.11
18-01-2026 06:0011.280.11
18-01-2026 05:5011.030.13
18-01-2026 05:4010.740.13
18-01-2026 05:3010.410.13
18-01-2026 05:2010.070.12
18-01-2026 05:109.710.12
18-01-2026 05:009.340.13
18-01-2026 04:508.950.12
18-01-2026 04:408.540.1
18-01-2026 04:308.120.07
18-01-2026 04:207.690.05
18-01-2026 04:107.270.03
18-01-2026 04:006.880.04
18-01-2026 03:506.50.06
18-01-2026 03:406.150.11
18-01-2026 03:305.770.12
18-01-2026 03:205.430.17
18-01-2026 03:105.090.19
18-01-2026 03:004.730.19
18-01-2026 02:504.360.17
18-01-2026 02:403.980.11
18-01-2026 02:303.620.04
18-01-2026 02:203.27-0.04
18-01-2026 02:102.97-0.11
18-01-2026 02:002.73-0.15
18-01-2026 01:502.46-0.26
18-01-2026 01:402.23-0.36
18-01-2026 01:302.07-0.45
18-01-2026 01:202.02-0.45
18-01-2026 01:102.02-0.44
18-01-2026 01:002.09-0.4
18-01-2026 00:502.19-0.36
18-01-2026 00:402.33-0.32
18-01-2026 00:302.49-0.29
18-01-2026 00:202.66-0.27
18-01-2026 00:102.86-0.24