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
17-02-2026 23:301.190.14
 Next HWNext LW
05:57, 7.62 12:15, 0.76
Date Highest 2026 Date Lowest 2026
03-02 8.22m 05-01 0.71m
Time (GMT)ElevationResidual
17-02-2026 23:301.190.14
17-02-2026 23:201.280.16
17-02-2026 23:101.370.16
17-02-2026 23:001.440.12
17-02-2026 22:501.570.11
17-02-2026 22:401.710.11
17-02-2026 22:301.880.12
17-02-2026 22:202.040.1
17-02-2026 22:102.230.09
17-02-2026 22:002.480.14
17-02-2026 21:502.690.13
17-02-2026 21:402.860.07
17-02-2026 21:303.080.05
17-02-2026 21:203.320.05
17-02-2026 21:103.550.04
17-02-2026 21:003.780.02
17-02-2026 20:504.040.03
17-02-2026 20:404.340.07
17-02-2026 20:304.590.06
17-02-2026 20:204.850.07
17-02-2026 20:105.120.09
17-02-2026 20:005.350.08
17-02-2026 19:505.590.09
17-02-2026 19:405.820.09
17-02-2026 19:306.060.11
17-02-2026 19:206.290.13
17-02-2026 19:106.430.08
17-02-2026 19:006.620.09
17-02-2026 18:506.820.13
17-02-2026 18:406.980.15
17-02-2026 18:307.040.08
17-02-2026 18:207.140.08
17-02-2026 18:107.240.1
17-02-2026 18:007.260.06
17-02-2026 17:507.320.08
17-02-2026 17:407.340.09
17-02-2026 17:307.270.04
17-02-2026 17:207.310.12
17-02-2026 17:107.190.07
17-02-2026 17:007.150.11
17-02-2026 16:506.990.06
17-02-2026 16:406.880.09
17-02-2026 16:306.680.05
17-02-2026 16:206.490.03
17-02-2026 16:106.320.05
17-02-2026 16:006.110.05
17-02-2026 15:505.860.03
17-02-2026 15:405.630.03
17-02-2026 15:305.350
17-02-2026 15:205.10.01
17-02-2026 15:104.81-0.02
17-02-2026 15:004.580.01
17-02-2026 14:504.29-0
17-02-2026 14:403.99-0.04
17-02-2026 14:303.72-0.04
17-02-2026 14:203.5-0
17-02-2026 14:103.24-0.01
17-02-2026 14:002.96-0.03
17-02-2026 13:502.73-0.03
17-02-2026 13:402.550.02
17-02-2026 13:302.27-0.03
17-02-2026 13:202.140.04
17-02-2026 13:101.89-0.02
17-02-2026 13:001.810.07
17-02-2026 12:501.51-0.06
17-02-2026 12:401.450.01
17-02-2026 12:301.360.04
17-02-2026 12:201.22-0
17-02-2026 12:101.170.03
17-02-2026 11:501.10.05
17-02-2026 11:401.04-0
17-02-2026 11:301.110.05
17-02-2026 11:201.140.05
17-02-2026 11:101.13-0.02
17-02-2026 11:001.250.03
17-02-2026 10:501.350.03
17-02-2026 10:401.44-0
17-02-2026 10:301.590.01
17-02-2026 10:201.72-0.01
17-02-2026 10:101.89-0.01
17-02-2026 10:002.10.01
17-02-2026 09:502.320.04
17-02-2026 09:402.42-0.08
17-02-2026 09:302.64-0.07
17-02-2026 09:202.9-0.04
17-02-2026 09:103.14-0.04
17-02-2026 09:003.35-0.08
17-02-2026 08:503.65-0.02
17-02-2026 08:403.9-0.02
17-02-2026 08:304.12-0.06
17-02-2026 08:204.35-0.08
17-02-2026 08:104.65-0.04
17-02-2026 08:004.86-0.08
17-02-2026 07:505.09-0.1
17-02-2026 07:405.29-0.13
17-02-2026 07:305.58-0.07
17-02-2026 07:205.76-0.12
17-02-2026 07:106.04-0.05
17-02-2026 07:006.22-0.07
17-02-2026 06:506.46-0.02
17-02-2026 06:406.64-0.01
17-02-2026 06:306.71-0.1
17-02-2026 06:206.92-0.03
17-02-2026 06:107-0.07
17-02-2026 06:007.1-0.07
17-02-2026 05:507.250.02
17-02-2026 05:407.24-0.05
17-02-2026 05:307.3-0.02
17-02-2026 05:207.3-0.03
17-02-2026 05:107.25-0.05
17-02-2026 05:007.24-0.02
17-02-2026 04:507.16-0.04
17-02-2026 04:407.03-0.07
17-02-2026 04:306.91-0.07
17-02-2026 04:206.850
17-02-2026 04:106.6-0.09
17-02-2026 04:006.48-0.04
17-02-2026 03:506.23-0.1
17-02-2026 03:406.03-0.09
17-02-2026 03:305.85-0.05
17-02-2026 03:205.56-0.11
17-02-2026 03:105.33-0.1
17-02-2026 03:005.11-0.07
17-02-2026 02:504.9-0.03
17-02-2026 02:404.54-0.13
17-02-2026 02:304.3-0.12
17-02-2026 02:204-0.15
17-02-2026 02:103.82-0.08
17-02-2026 02:003.53-0.12
17-02-2026 01:503.28-0.12
17-02-2026 01:403.04-0.12
17-02-2026 01:302.83-0.1
17-02-2026 01:202.63-0.08
17-02-2026 01:102.34-0.16
17-02-2026 01:002.17-0.13
17-02-2026 00:502-0.11
17-02-2026 00:401.91-0.04
17-02-2026 00:301.77-0.03
17-02-2026 00:201.59-0.08
17-02-2026 00:101.570.01
17-02-2026 00:001.39-0.07
16-02-2026 23:501.34-0.05
16-02-2026 23:401.32-0.02
16-02-2026 23:301.310
16-02-2026 23:201.320.02
16-02-2026 23:101.340.03
16-02-2026 23:001.410.06
16-02-2026 22:501.440.04
16-02-2026 22:401.550.08
16-02-2026 22:301.620.06
16-02-2026 22:201.760.08
16-02-2026 22:101.830.02
16-02-2026 22:002.140.19
16-02-2026 21:502.20.09
16-02-2026 21:402.360.08
16-02-2026 21:302.60.15
16-02-2026 21:202.650
16-02-2026 21:102.880.03
16-02-2026 21:003.160.1
16-02-2026 20:503.380.11
16-02-2026 20:403.590.1
16-02-2026 20:303.750.03
16-02-2026 20:203.940
16-02-2026 20:104.240.07
16-02-2026 20:004.410.01
16-02-2026 19:504.59-0.03
16-02-2026 19:404.910.07
16-02-2026 19:305.160.1
16-02-2026 19:205.390.11
16-02-2026 19:105.50.02
16-02-2026 19:005.730.06
16-02-2026 18:505.880.02
16-02-2026 18:405.99-0.05
16-02-2026 18:306.260.05
16-02-2026 18:206.34-0.01
16-02-2026 18:106.48-0.01
16-02-2026 18:006.630.03
16-02-2026 17:506.720.03
16-02-2026 17:406.810.04
16-02-2026 17:306.890.05
16-02-2026 17:206.920.05
16-02-2026 17:106.90.01
16-02-2026 17:006.960.08
16-02-2026 16:506.890.04
16-02-2026 16:406.850.04
16-02-2026 16:306.830.09
16-02-2026 16:206.710.06
16-02-2026 16:106.640.1
16-02-2026 16:006.50.09
16-02-2026 15:506.290.02
16-02-2026 15:406.20.1
16-02-2026 15:305.940.01
16-02-2026 15:205.80.07
16-02-2026 15:105.590.06
16-02-2026 15:005.40.08
16-02-2026 14:505.130.04
16-02-2026 14:404.930.05
16-02-2026 14:304.740.1
16-02-2026 14:204.530.13
16-02-2026 14:104.290.11
16-02-2026 14:004.130.19
16-02-2026 13:503.80.1
16-02-2026 13:403.590.11
16-02-2026 13:303.360.1
16-02-2026 13:203.190.15
16-02-2026 13:103.030.19
16-02-2026 13:002.840.2
16-02-2026 12:502.650.2
16-02-2026 12:402.460.18
16-02-2026 12:302.330.21
16-02-2026 12:202.150.18
16-02-2026 12:101.980.14
16-02-2026 12:001.880.16
16-02-2026 11:501.840.21
16-02-2026 11:401.820.27
16-02-2026 11:301.820.32
16-02-2026 11:201.690.23
16-02-2026 11:101.660.23
16-02-2026 11:001.650.22
16-02-2026 10:501.680.23
16-02-2026 10:401.650.16
16-02-2026 10:301.770.22
16-02-2026 10:201.790.17
16-02-2026 10:101.950.23
16-02-2026 10:002.010.18
16-02-2026 09:502.120.17
16-02-2026 09:402.290.2
16-02-2026 09:302.430.18
16-02-2026 09:202.60.18
16-02-2026 09:102.740.14
16-02-2026 09:002.960.18
16-02-2026 08:503.130.15
16-02-2026 08:403.280.09
16-02-2026 08:303.480.08
16-02-2026 08:203.710.09
16-02-2026 08:103.940.11
16-02-2026 08:004.20.14
16-02-2026 07:504.370.09
16-02-2026 07:404.590.09
16-02-2026 07:304.830.1
16-02-2026 07:205.020.08
16-02-2026 07:105.210.06
16-02-2026 07:005.420.06
16-02-2026 06:505.620.06
16-02-2026 06:405.80.04
16-02-2026 06:305.980.04
16-02-2026 06:206.20.09
16-02-2026 06:106.280.01
16-02-2026 06:006.470.06
16-02-2026 05:506.650.11
16-02-2026 05:406.740.09
16-02-2026 05:306.790.05
16-02-2026 05:206.910.09
16-02-2026 05:106.910.04
16-02-2026 05:006.990.09
16-02-2026 04:507.050.13
16-02-2026 04:407.020.11
16-02-2026 04:306.990.1
16-02-2026 04:206.920.08
16-02-2026 04:106.840.07
16-02-2026 04:006.790.11
16-02-2026 03:506.670.1
16-02-2026 03:406.560.1
16-02-2026 03:306.40.09
16-02-2026 03:206.240.08
16-02-2026 03:106.130.15
16-02-2026 03:005.950.15
16-02-2026 02:505.720.11
16-02-2026 02:405.560.15
16-02-2026 02:305.290.1
16-02-2026 02:205.160.18
16-02-2026 02:104.950.19
16-02-2026 02:004.750.21
16-02-2026 01:504.410.09
16-02-2026 01:404.150.05
16-02-2026 01:304.020.14
16-02-2026 01:203.830.17
16-02-2026 01:103.560.11
16-02-2026 01:003.340.1
16-02-2026 00:503.180.13
16-02-2026 00:402.970.11
16-02-2026 00:302.790.1
16-02-2026 00:202.590.07
16-02-2026 00:102.430.06
16-02-2026 00:002.270.04
15-02-2026 23:502.190.08
15-02-2026 23:402.070.07
15-02-2026 23:301.980.07
15-02-2026 23:201.880.04
15-02-2026 23:101.840.06