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
08-12-2025 17:004.460.19
 Next HWNext LW
19:53, 7.18 02:09, 1.51
Date Highest 2025 Date Lowest 2025
05-11 8.38m 30-03 -0.05m
Time (GMT)ElevationResidual
08-12-2025 17:004.460.19
08-12-2025 16:504.220.21
08-12-2025 16:403.90.14
08-12-2025 16:303.680.18
08-12-2025 16:203.380.12
08-12-2025 16:103.130.11
08-12-2025 16:0030.22
08-12-2025 15:502.830.26
08-12-2025 15:402.540.19
08-12-2025 15:302.360.19
08-12-2025 15:202.080.09
08-12-2025 15:102.070.24
08-12-2025 15:001.940.26
08-12-2025 14:501.780.23
08-12-2025 14:401.610.17
08-12-2025 14:301.540.18
08-12-2025 14:201.540.25
08-12-2025 14:101.430.19
08-12-2025 14:001.350.13
08-12-2025 13:501.30.08
08-12-2025 13:401.410.17
08-12-2025 13:301.280.01
08-12-2025 13:201.370.03
08-12-2025 13:101.460.05
08-12-2025 13:001.690.18
08-12-2025 12:501.780.16
08-12-2025 12:401.820.07
08-12-2025 12:301.990.09
08-12-2025 12:202.10.04
08-12-2025 12:102.380.15
08-12-2025 12:002.520.1
08-12-2025 11:502.680.06
08-12-2025 11:402.890.06
08-12-2025 11:303.090.05
08-12-2025 11:203.26-0.02
08-12-2025 11:103.530.03
08-12-2025 11:003.810.06
08-12-2025 10:504.130.14
08-12-2025 10:404.250.02
08-12-2025 10:304.50.02
08-12-2025 10:204.69-0.04
08-12-2025 10:105.040.06
08-12-2025 10:005.240.02
08-12-2025 09:505.46-0.01
08-12-2025 09:405.71-0
08-12-2025 09:305.91-0.03
08-12-2025 09:206.180.02
08-12-2025 09:106.33-0.04
08-12-2025 09:006.57-0.01
08-12-2025 08:506.71-0.05
08-12-2025 08:406.93-0
08-12-2025 08:307.08-0.01
08-12-2025 08:207.350.12
08-12-2025 08:107.350
08-12-2025 08:007.50.06
08-12-2025 07:507.570.05
08-12-2025 07:407.620.06
08-12-2025 07:307.690.09
08-12-2025 07:207.710.12
08-12-2025 07:107.640.07
08-12-2025 07:007.630.11
08-12-2025 06:507.550.09
08-12-2025 06:407.510.15
08-12-2025 06:307.350.11
08-12-2025 06:207.250.16
08-12-2025 06:107.090.16
08-12-2025 06:006.860.12
08-12-2025 05:506.640.1
08-12-2025 05:406.440.11
08-12-2025 05:306.240.15
08-12-2025 05:205.980.13
08-12-2025 05:105.780.19
08-12-2025 05:005.490.16
08-12-2025 04:505.290.22
08-12-2025 04:404.960.17
08-12-2025 04:304.70.19
08-12-2025 04:204.370.14
08-12-2025 04:104.160.19
08-12-2025 04:003.870.18
08-12-2025 03:503.630.2
08-12-2025 03:403.350.17
08-12-2025 03:303.060.14
08-12-2025 03:202.810.13
08-12-2025 03:102.610.15
08-12-2025 03:002.410.16
08-12-2025 02:502.250.19
08-12-2025 02:402.030.15
08-12-2025 02:301.870.15
08-12-2025 02:201.780.2
08-12-2025 02:101.650.19
08-12-2025 02:001.550.19
08-12-2025 01:501.40.11
08-12-2025 01:401.410.18
08-12-2025 01:301.360.16
08-12-2025 01:201.330.14
08-12-2025 01:101.310.1
08-12-2025 01:001.340.09
08-12-2025 00:501.390.09
08-12-2025 00:401.520.15
08-12-2025 00:301.540.07
08-12-2025 00:201.690.11
08-12-2025 00:101.80.09
08-12-2025 00:001.990.12
07-12-2025 23:502.090.05
07-12-2025 23:402.290.08
07-12-2025 23:302.490.09
07-12-2025 23:202.690.08
07-12-2025 23:102.940.11
07-12-2025 23:003.190.13
07-12-2025 22:503.370.08
07-12-2025 22:403.620.09
07-12-2025 22:303.880.1
07-12-2025 22:204.130.1
07-12-2025 22:104.350.06
07-12-2025 22:004.640.1
07-12-2025 21:504.860.06
07-12-2025 21:405.160.1
07-12-2025 21:305.460.15
07-12-2025 21:205.620.07
07-12-2025 21:105.940.15
07-12-2025 21:006.160.14
07-12-2025 20:506.430.19
07-12-2025 20:406.60.15
07-12-2025 20:306.770.12
07-12-2025 20:206.920.1
07-12-2025 20:107.140.15
07-12-2025 20:007.280.15
07-12-2025 19:507.390.13
07-12-2025 19:407.530.18
07-12-2025 19:307.640.21
07-12-2025 19:207.670.18
07-12-2025 19:107.710.2
07-12-2025 19:007.690.18
07-12-2025 18:507.680.19
07-12-2025 18:407.640.2
07-12-2025 18:307.510.15
07-12-2025 18:207.510.25
07-12-2025 18:107.310.18
07-12-2025 18:007.160.18
07-12-2025 17:507.030.22
07-12-2025 17:406.860.24
07-12-2025 17:306.60.2
07-12-2025 17:206.330.15
07-12-2025 17:106.070.14
07-12-2025 17:005.860.18
07-12-2025 16:505.590.18
07-12-2025 16:405.370.23
07-12-2025 16:3050.14
07-12-2025 16:204.810.23
07-12-2025 16:104.480.19
07-12-2025 16:004.240.23
07-12-2025 15:503.990.27
07-12-2025 15:403.640.19
07-12-2025 15:303.30.12
07-12-2025 15:203.110.19
07-12-2025 15:102.840.17
07-12-2025 15:002.670.25
07-12-2025 14:502.40.2
07-12-2025 14:402.240.25
07-12-2025 14:302.050.25
07-12-2025 14:201.860.24
07-12-2025 14:101.740.28
07-12-2025 14:001.610.29
07-12-2025 13:501.460.25
07-12-2025 13:401.390.28
07-12-2025 13:301.360.32
07-12-2025 13:201.260.28
07-12-2025 13:101.210.26
07-12-2025 13:001.190.24
07-12-2025 12:501.270.3
07-12-2025 12:401.290.28
07-12-2025 12:301.340.27
07-12-2025 12:201.390.23
07-12-2025 12:101.60.34
07-12-2025 12:001.620.24
07-12-2025 11:501.810.28
07-12-2025 11:401.960.27
07-12-2025 11:302.170.31
07-12-2025 11:202.280.23
07-12-2025 11:102.60.34
07-12-2025 11:002.810.33
07-12-2025 10:503.040.34
07-12-2025 10:403.170.23
07-12-2025 10:303.420.24
07-12-2025 10:203.640.21
07-12-2025 10:103.880.18
07-12-2025 10:004.170.22
07-12-2025 09:504.380.16
07-12-2025 09:404.680.19
07-12-2025 09:304.960.2
07-12-2025 09:205.220.19
07-12-2025 09:105.50.21
07-12-2025 09:005.780.23
07-12-2025 08:506.010.2
07-12-2025 08:406.240.19
07-12-2025 08:306.480.18
07-12-2025 08:206.730.2
07-12-2025 08:106.910.17
07-12-2025 08:007.060.12
07-12-2025 07:507.280.15
07-12-2025 07:407.390.1
07-12-2025 07:307.640.2
07-12-2025 07:207.610.05
07-12-2025 07:107.830.17
07-12-2025 07:007.980.24
07-12-2025 06:507.930.14
07-12-2025 06:407.990.17
07-12-2025 06:308.010.19
07-12-2025 06:207.970.19
07-12-2025 06:107.950.22
07-12-2025 06:007.890.24
07-12-2025 05:507.740.2
07-12-2025 05:407.670.26
07-12-2025 05:307.530.28
07-12-2025 05:207.310.24
07-12-2025 05:107.150.28
07-12-2025 05:006.940.29
07-12-2025 04:506.70.29
07-12-2025 04:406.460.3
07-12-2025 04:306.150.25
07-12-2025 04:205.890.27
07-12-2025 04:105.550.21
07-12-2025 04:005.340.29
07-12-2025 03:504.940.19
07-12-2025 03:404.740.28
07-12-2025 03:304.380.22
07-12-2025 03:204.10.23
07-12-2025 03:103.780.2
07-12-2025 03:003.50.2
07-12-2025 02:503.250.23
07-12-2025 02:402.890.13
07-12-2025 02:302.710.2
07-12-2025 02:202.370.1
07-12-2025 02:102.20.15
07-12-2025 02:002.040.2
07-12-2025 01:501.860.2
07-12-2025 01:401.730.23
07-12-2025 01:301.530.19
07-12-2025 01:201.430.21
07-12-2025 01:101.280.15
07-12-2025 01:001.270.22
07-12-2025 00:501.250.26
07-12-2025 00:401.130.17
07-12-2025 00:301.150.19
07-12-2025 00:201.240.27
07-12-2025 00:101.130.11
07-12-2025 00:001.310.22
06-12-2025 23:501.420.25
06-12-2025 23:401.390.11
06-12-2025 23:301.460.05
06-12-2025 23:201.690.14
06-12-2025 23:101.840.12
06-12-2025 23:002.010.11
06-12-2025 22:502.220.12
06-12-2025 22:402.440.13
06-12-2025 22:302.660.13
06-12-2025 22:202.880.11
06-12-2025 22:103.170.16
06-12-2025 22:003.420.16
06-12-2025 21:503.690.16
06-12-2025 21:403.850.06
06-12-2025 21:304.220.16
06-12-2025 21:204.350.02
06-12-2025 21:104.720.12
06-12-2025 21:004.980.1
06-12-2025 20:505.180.02
06-12-2025 20:405.490.07
06-12-2025 20:305.850.17
06-12-2025 20:205.940
06-12-2025 20:106.260.08
06-12-2025 20:006.510.09
06-12-2025 19:506.720.09
06-12-2025 19:406.920.07
06-12-2025 19:306.98-0.05
06-12-2025 19:207.290.09
06-12-2025 19:107.31-0.04
06-12-2025 19:007.630.15
06-12-2025 18:507.620.04
06-12-2025 18:407.710.05
06-12-2025 18:307.6-0.11
06-12-2025 18:207.67-0.08
06-12-2025 18:107.850.11
06-12-2025 18:007.770.06
06-12-2025 17:507.690.03
06-12-2025 17:407.60.02
06-12-2025 17:307.580.12
06-12-2025 17:207.370.04
06-12-2025 17:107.240.07