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

 


Latest Tide Data (Predicted Tide Table)

Time (GMT)ElevationResidual
12-02-2025 13:002.3-0.41
 Next HWNext LW
19:43, 12.54 14:06, 1.78
Date Highest 2025 Date Lowest 2025
01-02 13.75m 01-02 0.58m
Time (GMT)ElevationResidual
13-12-2024 00:002.37-0.29
12-12-2024 23:502.09-0.4
12-12-2024 23:401.79-0.56
12-12-2024 23:301.56-0.69
12-12-2024 23:201.45-0.73
12-12-2024 23:101.46-0.69
12-12-2024 23:001.54-0.62
12-12-2024 22:501.65-0.55
12-12-2024 22:401.79-0.48
12-12-2024 22:301.93-0.43
12-12-2024 22:202.12-0.37
12-12-2024 22:102.32-0.32
12-12-2024 22:002.53-0.29
12-12-2024 21:502.75-0.25
12-12-2024 21:402.98-0.23
12-12-2024 21:303.23-0.2
12-12-2024 21:203.49-0.17
12-12-2024 21:103.77-0.14
12-12-2024 21:004.06-0.11
12-12-2024 20:504.34-0.09
12-12-2024 20:404.63-0.08
12-12-2024 20:304.91-0.08
12-12-2024 20:205.2-0.11
12-12-2024 20:105.52-0.1
12-12-2024 20:005.82-0.11
12-12-2024 19:506.14-0.13
12-12-2024 19:406.45-0.18
12-12-2024 19:306.77-0.22
12-12-2024 19:207.09-0.27
12-12-2024 19:107.42-0.32
12-12-2024 19:007.76-0.39
12-12-2024 18:508.1-0.44
12-12-2024 18:408.45-0.49
12-12-2024 18:308.81-0.52
12-12-2024 18:209.19-0.54
12-12-2024 18:109.56-0.55
12-12-2024 18:009.93-0.54
12-12-2024 17:5010.29-0.51
12-12-2024 17:4010.64-0.48
12-12-2024 17:3010.97-0.43
12-12-2024 17:2011.25-0.39
12-12-2024 17:1011.52-0.33
12-12-2024 17:0011.74-0.27
12-12-2024 16:5011.9-0.22
12-12-2024 16:4012.01-0.18
12-12-2024 16:3012.05-0.16
12-12-2024 16:2012.02-0.16
12-12-2024 16:1011.97-0.14
12-12-2024 16:0011.83-0.15
12-12-2024 15:5011.67-0.15
12-12-2024 15:4011.46-0.16
12-12-2024 15:3011.22-0.16
12-12-2024 15:2010.97-0.14
12-12-2024 15:1010.68-0.13
12-12-2024 15:0010.36-0.12
12-12-2024 14:5010.01-0.12
12-12-2024 14:409.65-0.12
12-12-2024 14:309.29-0.1
12-12-2024 14:208.93-0.06
12-12-2024 14:108.55-0.05
12-12-2024 14:008.14-0.05
12-12-2024 13:507.73-0.05
12-12-2024 13:407.36-0.02
12-12-2024 13:306.96-0.01
12-12-2024 13:206.610.04
12-12-2024 13:106.230.06
12-12-2024 13:005.870.08
12-12-2024 12:505.540.13
12-12-2024 12:405.230.18
12-12-2024 12:304.890.18
12-12-2024 12:204.550.17
12-12-2024 12:104.180.11
12-12-2024 12:003.840.05
12-12-2024 11:503.48-0.06
12-12-2024 11:403.15-0.17
12-12-2024 11:302.83-0.28
12-12-2024 11:202.58-0.36
12-12-2024 11:102.36-0.46
12-12-2024 11:002.12-0.59
12-12-2024 10:501.96-0.68
12-12-2024 10:401.88-0.73
12-12-2024 10:301.87-0.72
12-12-2024 10:201.92-0.7
12-12-2024 10:102.01-0.66
12-12-2024 10:002.13-0.61
12-12-2024 09:502.27-0.57
12-12-2024 09:402.44-0.52
12-12-2024 09:302.61-0.49
12-12-2024 09:202.81-0.45
12-12-2024 09:103-0.43
12-12-2024 09:003.23-0.39
12-12-2024 08:503.46-0.36
12-12-2024 08:403.71-0.32
12-12-2024 08:303.98-0.27
12-12-2024 08:204.24-0.25
12-12-2024 08:104.51-0.22
12-12-2024 08:004.79-0.2
12-12-2024 07:505.04-0.22
12-12-2024 07:405.32-0.22
12-12-2024 07:305.62-0.22
12-12-2024 07:205.92-0.22
12-12-2024 07:106.22-0.24
12-12-2024 07:006.52-0.28
12-12-2024 06:506.82-0.32
12-12-2024 06:407.15-0.34
12-12-2024 06:307.44-0.41
12-12-2024 06:207.77-0.44
12-12-2024 06:108.09-0.48
12-12-2024 06:008.43-0.51
12-12-2024 05:508.77-0.52
12-12-2024 05:409.13-0.51
12-12-2024 05:309.48-0.49
12-12-2024 05:209.8-0.49
12-12-2024 05:1010.14-0.43
12-12-2024 05:0010.43-0.4
12-12-2024 04:5010.73-0.33
12-12-2024 04:4010.94-0.31
12-12-2024 04:3011.14-0.27
12-12-2024 04:2011.27-0.25
12-12-2024 04:1011.36-0.24
12-12-2024 04:0011.38-0.24
12-12-2024 03:5011.38-0.23
12-12-2024 03:4011.31-0.23
12-12-2024 03:3011.21-0.24
12-12-2024 03:2011.07-0.24
12-12-2024 03:1010.9-0.25
12-12-2024 03:0010.69-0.25
12-12-2024 02:5010.47-0.22
12-12-2024 02:4010.2-0.23
12-12-2024 02:309.91-0.23
12-12-2024 02:209.62-0.21
12-12-2024 02:109.3-0.2
12-12-2024 02:008.98-0.16
12-12-2024 01:508.64-0.15
12-12-2024 01:408.29-0.12
12-12-2024 01:307.93-0.11
12-12-2024 01:207.56-0.1
12-12-2024 01:107.19-0.08
12-12-2024 01:006.85-0.04
12-12-2024 00:506.510
12-12-2024 00:406.170.04
12-12-2024 00:305.820.05
12-12-2024 00:205.50.1
12-12-2024 00:105.20.14