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
18-06-2026 17:405.60.07
 Next HWNext LW
19:54, 7.55 02:24, 1.06
Date Highest 2026 Date Lowest 2026
03-02 8.22m 19-04 0.29m
Time (GMT)ElevationResidual
18-06-2026 17:405.60.07
18-06-2026 17:305.350.08
18-06-2026 17:205.070.07
18-06-2026 17:104.780.06
18-06-2026 17:004.520.07
18-06-2026 16:504.230.07
18-06-2026 16:403.960.06
18-06-2026 16:303.680.06
18-06-2026 16:203.410.06
18-06-2026 16:103.140.05
18-06-2026 16:002.880.04
18-06-2026 15:502.610.01
18-06-2026 15:402.38-0
18-06-2026 15:302.16-0
18-06-2026 15:201.95-0.02
18-06-2026 15:101.76-0.04
18-06-2026 15:001.61-0.02
18-06-2026 14:501.45-0.04
18-06-2026 14:401.34-0.04
18-06-2026 14:301.23-0.04
18-06-2026 14:201.14-0.06
18-06-2026 14:101.09-0.05
18-06-2026 14:001.06-0.05
18-06-2026 13:501.05-0.05
18-06-2026 13:401.02-0.09
18-06-2026 13:301.09-0.06
18-06-2026 13:201.16-0.05
18-06-2026 13:101.21-0.08
18-06-2026 13:001.32-0.06
18-06-2026 12:501.43-0.07
18-06-2026 12:401.55-0.08
18-06-2026 12:301.7-0.08
18-06-2026 12:201.88-0.07
18-06-2026 12:102.06-0.07
18-06-2026 12:002.26-0.06
18-06-2026 11:502.45-0.07
18-06-2026 11:402.65-0.09
18-06-2026 11:302.91-0.06
18-06-2026 11:203.13-0.07
18-06-2026 11:103.33-0.1
18-06-2026 11:003.58-0.1
18-06-2026 10:503.85-0.08
18-06-2026 10:404.11-0.08
18-06-2026 10:304.37-0.08
18-06-2026 10:204.63-0.07
18-06-2026 10:104.9-0.04
18-06-2026 10:005.17-0.03
18-06-2026 09:505.39-0.05
18-06-2026 09:405.64-0.04
18-06-2026 09:305.85-0.06
18-06-2026 09:206.08-0.05
18-06-2026 09:106.28-0.06
18-06-2026 09:006.48-0.04
18-06-2026 08:506.67-0.04
18-06-2026 08:406.84-0.03
18-06-2026 08:306.99-0.02
18-06-2026 08:207.1-0.03
18-06-2026 08:107.19-0.04
18-06-2026 08:007.28-0.02
18-06-2026 07:507.35-0.01
18-06-2026 07:407.37-0.01
18-06-2026 07:307.38-0.01
18-06-2026 07:207.36-0.01
18-06-2026 07:107.330.01
18-06-2026 07:007.250.01
18-06-2026 06:507.150.01
18-06-2026 06:407.020
18-06-2026 06:306.880.01
18-06-2026 06:206.70
18-06-2026 06:106.49-0.01
18-06-2026 06:006.30.01
18-06-2026 05:506.070.01
18-06-2026 05:405.820
18-06-2026 05:305.55-0.02
18-06-2026 05:205.29-0.02
18-06-2026 05:105.02-0.01
18-06-2026 05:004.74-0.01
18-06-2026 04:504.46-0
18-06-2026 04:404.210.03
18-06-2026 04:303.930.03
18-06-2026 04:203.640.03
18-06-2026 04:103.350.02
18-06-2026 04:003.10.03
18-06-2026 03:502.820.01
18-06-2026 03:402.580.02
18-06-2026 03:302.350.04
18-06-2026 03:202.10.02
18-06-2026 03:101.90.02
18-06-2026 03:001.710.03
18-06-2026 02:501.520.01
18-06-2026 02:401.34-0
18-06-2026 02:301.220.01
18-06-2026 02:201.090
18-06-2026 02:100.99-0
18-06-2026 02:000.930.01
18-06-2026 01:500.85-0.03
18-06-2026 01:400.82-0.03
18-06-2026 01:300.82-0.03
18-06-2026 01:200.82-0.05
18-06-2026 01:100.84-0.07
18-06-2026 01:000.9-0.07
18-06-2026 00:500.97-0.1
18-06-2026 00:401.09-0.08
18-06-2026 00:301.21-0.09
18-06-2026 00:201.38-0.07
18-06-2026 00:101.53-0.08
18-06-2026 00:001.7-0.08
17-06-2026 23:501.91-0.07
17-06-2026 23:402.1-0.09
17-06-2026 23:302.31-0.09
17-06-2026 23:202.54-0.09
17-06-2026 23:102.75-0.12
17-06-2026 23:003-0.11
17-06-2026 22:503.24-0.12
17-06-2026 22:403.5-0.12
17-06-2026 22:303.77-0.11
17-06-2026 22:204.03-0.12
17-06-2026 22:104.31-0.1
17-06-2026 22:004.58-0.1
17-06-2026 21:504.86-0.09
17-06-2026 21:405.13-0.08
17-06-2026 21:305.39-0.08
17-06-2026 21:205.65-0.08
17-06-2026 21:105.85-0.12
17-06-2026 21:006.11-0.1
17-06-2026 20:506.34-0.09
17-06-2026 20:406.59-0.05
17-06-2026 20:306.75-0.09
17-06-2026 20:206.96-0.07
17-06-2026 20:107.11-0.08
17-06-2026 20:007.26-0.08
17-06-2026 19:507.41-0.05
17-06-2026 19:407.53-0.04
17-06-2026 19:307.61-0.03
17-06-2026 19:207.63-0.07
17-06-2026 19:107.7-0.03
17-06-2026 19:007.68-0.04
17-06-2026 18:507.69-0.01
17-06-2026 18:407.61-0.04
17-06-2026 18:307.56-0.01
17-06-2026 18:207.44-0.02
17-06-2026 18:107.33-0
17-06-2026 18:007.210.03
17-06-2026 17:507.020.01
17-06-2026 17:406.810
17-06-2026 17:306.610.01
17-06-2026 17:206.35-0.01
17-06-2026 17:106.120
17-06-2026 17:005.860.01
17-06-2026 16:505.610.03
17-06-2026 16:405.350.05
17-06-2026 16:305.10.08
17-06-2026 16:204.790.07
17-06-2026 16:104.490.06
17-06-2026 16:004.210.07
17-06-2026 15:503.910.06
17-06-2026 15:403.620.06
17-06-2026 15:303.330.05
17-06-2026 15:203.090.08
17-06-2026 15:102.780.03
17-06-2026 15:002.49-0.01
17-06-2026 14:502.280.01
17-06-2026 14:402.02-0.02
17-06-2026 14:301.82-0.01
17-06-2026 14:201.62-0.02
17-06-2026 14:101.42-0.06
17-06-2026 14:001.27-0.06
17-06-2026 13:501.17-0.04
17-06-2026 13:401.07-0.03
17-06-2026 13:300.97-0.06
17-06-2026 13:200.93-0.04
17-06-2026 13:100.89-0.05
17-06-2026 13:000.85-0.08
17-06-2026 12:500.84-0.11
17-06-2026 12:400.9-0.09
17-06-2026 12:300.97-0.07
17-06-2026 12:201.04-0.09
17-06-2026 12:101.13-0.1
17-06-2026 12:001.27-0.09
17-06-2026 11:501.41-0.09
17-06-2026 11:401.57-0.09
17-06-2026 11:301.73-0.11
17-06-2026 11:201.94-0.09
17-06-2026 11:102.15-0.08
17-06-2026 11:002.37-0.08
17-06-2026 10:502.61-0.08
17-06-2026 10:402.84-0.09
17-06-2026 10:303.12-0.05
17-06-2026 10:203.34-0.09
17-06-2026 10:103.57-0.11
17-06-2026 10:003.86-0.09
17-06-2026 09:504.12-0.09
17-06-2026 09:404.4-0.08
17-06-2026 09:304.68-0.07
17-06-2026 09:204.93-0.08
17-06-2026 09:105.25-0.02
17-06-2026 09:005.49-0.04
17-06-2026 08:505.73-0.04
17-06-2026 08:405.95-0.06
17-06-2026 08:306.19-0.06
17-06-2026 08:206.4-0.06
17-06-2026 08:106.63-0.03
17-06-2026 08:006.78-0.07
17-06-2026 07:506.97-0.04
17-06-2026 07:407.11-0.06
17-06-2026 07:307.24-0.05
17-06-2026 07:207.35-0.05
17-06-2026 07:107.45-0.02
17-06-2026 07:007.540.01
17-06-2026 06:507.54-0.02
17-06-2026 06:407.53-0.03
17-06-2026 06:307.53-0.01
17-06-2026 06:207.46-0.02
17-06-2026 06:107.450.05
17-06-2026 06:007.310.01
17-06-2026 05:507.190.02
17-06-2026 05:407.060.05
17-06-2026 05:306.860.02
17-06-2026 05:206.660.02
17-06-2026 05:106.460.04
17-06-2026 05:006.20.02
17-06-2026 04:505.970.03
17-06-2026 04:405.690.03
17-06-2026 04:305.420.03
17-06-2026 04:205.160.06
17-06-2026 04:104.860.04
17-06-2026 04:004.560.04
17-06-2026 03:504.260.03
17-06-2026 03:403.980.05
17-06-2026 03:303.70.06
17-06-2026 03:203.440.08
17-06-2026 03:103.150.08
17-06-2026 03:002.890.08
17-06-2026 02:502.60.05
17-06-2026 02:402.380.09
17-06-2026 02:302.150.09
17-06-2026 02:201.90.07
17-06-2026 02:101.730.1
17-06-2026 02:001.490.04
17-06-2026 01:501.340.06
17-06-2026 01:401.190.05
17-06-2026 01:301.060.05
17-06-2026 01:200.950.03
17-06-2026 01:100.860.02
17-06-2026 01:000.790.01
17-06-2026 00:500.780.02
17-06-2026 00:400.790.04
17-06-2026 00:300.75-0.02
17-06-2026 00:200.77-0.05
17-06-2026 00:100.87-0.01
17-06-2026 00:000.92-0.04
16-06-2026 23:501.04-0.03
16-06-2026 23:401.15-0.05
16-06-2026 23:301.31-0.03
16-06-2026 23:201.45-0.06
16-06-2026 23:101.63-0.06
16-06-2026 23:001.8-0.08
16-06-2026 22:502.05-0.05
16-06-2026 22:402.25-0.07
16-06-2026 22:302.5-0.05
16-06-2026 22:202.72-0.07
16-06-2026 22:102.98-0.07
16-06-2026 22:003.22-0.08
16-06-2026 21:503.47-0.09
16-06-2026 21:403.73-0.1
16-06-2026 21:304.01-0.1
16-06-2026 21:204.26-0.11
16-06-2026 21:104.54-0.11
16-06-2026 21:004.84-0.08
16-06-2026 20:505.1-0.09
16-06-2026 20:405.39-0.07
16-06-2026 20:305.64-0.08
16-06-2026 20:205.88-0.1
16-06-2026 20:106.1-0.12
16-06-2026 20:006.32-0.13
16-06-2026 19:506.55-0.12
16-06-2026 19:406.79-0.08
16-06-2026 19:306.98-0.08
16-06-2026 19:207.15-0.08
16-06-2026 19:107.27-0.11
16-06-2026 19:007.43-0.08
16-06-2026 18:507.54-0.08
16-06-2026 18:407.63-0.07
16-06-2026 18:307.68-0.07
16-06-2026 18:207.72-0.05
16-06-2026 18:107.75-0.03
16-06-2026 18:007.71-0.04
16-06-2026 17:507.66-0.04
16-06-2026 17:407.59-0.03
16-06-2026 17:307.5-0.02
16-06-2026 17:207.380
16-06-2026 17:107.250.02