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
10-05-2026 15:007.16-0.45
 Next HWNext LW
01:16, 9.81 18:36, 3.87
Date Highest 2026 Date Lowest 2026
04-02 14.02m 21-03 0.33m
Time (GMT)ElevationResidual
17-12-2024 00:005.25-0.47
16-12-2024 23:505.57-0.44
16-12-2024 23:405.9-0.41
16-12-2024 23:306.22-0.38
16-12-2024 23:206.56-0.34
16-12-2024 23:106.89-0.32
16-12-2024 23:007.23-0.29
16-12-2024 22:507.57-0.27
16-12-2024 22:407.91-0.27
16-12-2024 22:308.27-0.26
16-12-2024 22:208.65-0.25
16-12-2024 22:109.03-0.24
16-12-2024 22:009.45-0.2
16-12-2024 21:509.87-0.17
16-12-2024 21:4010.3-0.13
16-12-2024 21:3010.72-0.08
16-12-2024 21:2011.15-0.02
16-12-2024 21:1011.590.08
16-12-2024 21:0011.990.18
16-12-2024 20:5012.330.24
16-12-2024 20:4012.610.29
16-12-2024 20:3012.860.37
16-12-2024 20:2013.040.42
16-12-2024 20:1013.120.44
16-12-2024 20:0013.10.42
16-12-2024 19:5013.050.41
16-12-2024 19:4012.920.41
16-12-2024 19:3012.70.37
16-12-2024 19:2012.460.35
16-12-2024 19:1012.180.35
16-12-2024 19:0011.850.34
16-12-2024 18:5011.460.32
16-12-2024 18:4011.060.32
16-12-2024 18:3010.650.33
16-12-2024 18:2010.20.32
16-12-2024 18:109.760.35
16-12-2024 18:009.290.34
16-12-2024 17:508.80.33
16-12-2024 17:408.290.29
16-12-2024 17:307.80.27
16-12-2024 17:207.330.27
16-12-2024 17:106.890.29
16-12-2024 17:006.460.31
16-12-2024 16:506.020.32
16-12-2024 16:405.610.34
16-12-2024 16:305.260.4
16-12-2024 16:204.850.4
16-12-2024 16:104.450.39
16-12-2024 16:003.970.28
16-12-2024 15:503.510.17
16-12-2024 15:403.040.02
16-12-2024 15:302.6-0.12
16-12-2024 15:202.24-0.22
16-12-2024 15:101.93-0.3
16-12-2024 15:001.52-0.52
16-12-2024 14:501.2-0.69
16-12-2024 14:401.1-0.69
16-12-2024 14:301.13-0.61
16-12-2024 14:201.21-0.52
16-12-2024 14:101.33-0.44
16-12-2024 14:001.49-0.37
16-12-2024 13:501.66-0.32
16-12-2024 13:401.83-0.32
16-12-2024 13:302.06-0.3
16-12-2024 13:202.26-0.34
16-12-2024 13:102.52-0.34
16-12-2024 13:002.75-0.39
16-12-2024 12:503-0.44
16-12-2024 12:403.26-0.48
16-12-2024 12:303.57-0.48
16-12-2024 12:203.85-0.51
16-12-2024 12:104.17-0.5
16-12-2024 12:004.47-0.5
16-12-2024 11:504.75-0.51
16-12-2024 11:405.07-0.49
16-12-2024 11:305.37-0.47
16-12-2024 11:205.69-0.44
16-12-2024 11:106.01-0.4
16-12-2024 11:006.33-0.37
16-12-2024 10:506.65-0.35
16-12-2024 10:406.99-0.31
16-12-2024 10:307.33-0.3
16-12-2024 10:207.65-0.31
16-12-2024 10:107.99-0.32
16-12-2024 10:008.34-0.34
16-12-2024 09:508.72-0.35
16-12-2024 09:409.1-0.35
16-12-2024 09:309.51-0.34
16-12-2024 09:209.94-0.32
16-12-2024 09:1010.36-0.3
16-12-2024 09:0010.8-0.26
16-12-2024 08:5011.21-0.22
16-12-2024 08:4011.63-0.14
16-12-2024 08:3012.01-0.08
16-12-2024 08:2012.34-0.02
16-12-2024 08:1012.590.02
16-12-2024 08:0012.840.09
16-12-2024 07:5013.030.17
16-12-2024 07:4013.140.23
16-12-2024 07:3013.140.23
16-12-2024 07:2013.080.25
16-12-2024 07:1012.950.25
16-12-2024 07:0012.780.27
16-12-2024 06:5012.540.27
16-12-2024 06:4012.290.31
16-12-2024 06:3011.980.34
16-12-2024 06:2011.60.33
16-12-2024 06:1011.210.34
16-12-2024 06:0010.790.36
16-12-2024 05:5010.340.36
16-12-2024 05:409.870.36
16-12-2024 05:309.370.33
16-12-2024 05:208.860.3
16-12-2024 05:108.340.26
16-12-2024 05:007.830.23
16-12-2024 04:507.330.22
16-12-2024 04:406.840.21
16-12-2024 04:306.380.21
16-12-2024 04:205.90.19
16-12-2024 04:105.50.24
16-12-2024 04:005.070.25
16-12-2024 03:504.660.27
16-12-2024 03:404.170.18
16-12-2024 03:303.670.07
16-12-2024 03:203.15-0.09
16-12-2024 03:102.69-0.21
16-12-2024 03:002.29-0.31
16-12-2024 02:501.97-0.36
16-12-2024 02:401.54-0.56
16-12-2024 02:301.2-0.71
16-12-2024 02:201.09-0.68
16-12-2024 02:101.09-0.59
16-12-2024 02:001.18-0.46
16-12-2024 01:501.3-0.34
16-12-2024 01:401.45-0.24
16-12-2024 01:301.62-0.17
16-12-2024 01:201.8-0.13
16-12-2024 01:102-0.11
16-12-2024 01:002.24-0.1
16-12-2024 00:502.45-0.13
16-12-2024 00:402.7-0.15
16-12-2024 00:302.94-0.2
16-12-2024 00:203.24-0.2
16-12-2024 00:103.51-0.24