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.

Port Isaac

Tide Levels and Harmonics

 

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Latest Tide Data (Predicted Tide Table)

Time (GMT)ElevationResidual
07-06-2026 22:306.210.08
 Next HWNext LW
10:25, 5.92 04:19, 2.29
Date Highest 2026 Date Lowest 2026
03-02 8.22m 19-04 0.29m
Time (GMT)ElevationResidual
23-04-2026 00:004.24-0.12
22-04-2026 23:504.46-0.1
22-04-2026 23:404.68-0.08
22-04-2026 23:304.87-0.09
22-04-2026 23:205.09-0.06
22-04-2026 23:105.27-0.07
22-04-2026 23:005.44-0.08
22-04-2026 22:505.63-0.07
22-04-2026 22:405.81-0.05
22-04-2026 22:305.99-0.04
22-04-2026 22:206.1-0.07
22-04-2026 22:106.24-0.06
22-04-2026 22:006.38-0.04
22-04-2026 21:506.51-0.01
22-04-2026 21:406.620.01
22-04-2026 21:306.690.01
22-04-2026 21:206.740.01
22-04-2026 21:106.770.01
22-04-2026 21:006.790.02
22-04-2026 20:506.80.04
22-04-2026 20:406.760.03
22-04-2026 20:306.730.03
22-04-2026 20:206.660.04
22-04-2026 20:106.570.03
22-04-2026 20:006.480.04
22-04-2026 19:506.360.03
22-04-2026 19:406.210.02
22-04-2026 19:306.070.03
22-04-2026 19:205.910.03
22-04-2026 19:105.750.05
22-04-2026 19:005.580.06
22-04-2026 18:505.370.05
22-04-2026 18:405.190.07
22-04-2026 18:3050.09
22-04-2026 18:204.810.11
22-04-2026 18:104.560.07
22-04-2026 18:004.330.07
22-04-2026 17:504.110.06
22-04-2026 17:403.90.07
22-04-2026 17:303.70.09
22-04-2026 17:203.470.06
22-04-2026 17:103.280.07
22-04-2026 17:003.090.08
22-04-2026 16:502.890.07
22-04-2026 16:402.680.04
22-04-2026 16:302.510.03
22-04-2026 16:202.350.02
22-04-2026 16:102.210.01
22-04-2026 16:002.10.02
22-04-2026 15:5020.03
22-04-2026 15:401.930.05
22-04-2026 15:301.870.07
22-04-2026 15:201.840.09
22-04-2026 15:101.770.06
22-04-2026 15:001.730.04
22-04-2026 14:501.730.05
22-04-2026 14:401.750.05
22-04-2026 14:301.760.04
22-04-2026 14:201.770
22-04-2026 14:101.850.02
22-04-2026 14:001.920.02
22-04-2026 13:502.020.03
22-04-2026 13:402.120.03
22-04-2026 13:302.230.01
22-04-2026 13:202.350
22-04-2026 13:102.49-0
22-04-2026 13:002.63-0.02
22-04-2026 12:502.79-0.02
22-04-2026 12:402.97-0.02
22-04-2026 12:303.14-0.03
22-04-2026 12:203.3-0.06
22-04-2026 12:103.5-0.06
22-04-2026 12:003.71-0.07
22-04-2026 11:503.92-0.06
22-04-2026 11:404.13-0.07
22-04-2026 11:304.35-0.06
22-04-2026 11:204.56-0.07
22-04-2026 11:104.79-0.05
22-04-2026 11:005.01-0.05
22-04-2026 10:505.22-0.05
22-04-2026 10:405.44-0.03
22-04-2026 10:305.66-0.01
22-04-2026 10:205.8-0.05
22-04-2026 10:105.95-0.08
22-04-2026 10:006.1-0.09
22-04-2026 09:506.24-0.1
22-04-2026 09:406.4-0.08
22-04-2026 09:306.48-0.11
22-04-2026 09:206.61-0.08
22-04-2026 09:106.71-0.06
22-04-2026 09:006.77-0.06
22-04-2026 08:506.8-0.07
22-04-2026 08:406.82-0.06
22-04-2026 08:306.82-0.06
22-04-2026 08:206.78-0.07
22-04-2026 08:106.75-0.05
22-04-2026 08:006.69-0.04
22-04-2026 07:506.62-0.03
22-04-2026 07:406.46-0.07
22-04-2026 07:306.34-0.06
22-04-2026 07:206.21-0.04
22-04-2026 07:106.06-0.03
22-04-2026 07:005.9-0.02
22-04-2026 06:505.71-0.02
22-04-2026 06:405.51-0.01
22-04-2026 06:305.3-0
22-04-2026 06:205.090.01
22-04-2026 06:104.860.01
22-04-2026 06:004.61-0.01
22-04-2026 05:504.37-0.01
22-04-2026 05:404.150.01
22-04-2026 05:303.89-0.01
22-04-2026 05:203.66-0.01
22-04-2026 05:103.42-0.01
22-04-2026 05:003.18-0.02
22-04-2026 04:502.97-0.01
22-04-2026 04:402.76-0.01
22-04-2026 04:302.570.01
22-04-2026 04:202.380.01
22-04-2026 04:102.18-0.01
22-04-2026 04:002.02-0.01
22-04-2026 03:501.880
22-04-2026 03:401.770.02
22-04-2026 03:301.640.01
22-04-2026 03:201.540.01
22-04-2026 03:101.450
22-04-2026 03:001.390
22-04-2026 02:501.33-0.01
22-04-2026 02:401.31-0.01
22-04-2026 02:301.3-0.01
22-04-2026 02:201.32-0
22-04-2026 02:101.33-0.02
22-04-2026 02:001.39-0.02
22-04-2026 01:501.45-0.01
22-04-2026 01:401.53-0.02
22-04-2026 01:301.62-0.02
22-04-2026 01:201.73-0.02
22-04-2026 01:101.88-0.01
22-04-2026 01:002.01-0.02
22-04-2026 00:502.18-0.01
22-04-2026 00:402.34-0.01
22-04-2026 00:302.53-0
22-04-2026 00:202.71-0.01
22-04-2026 00:102.950.02