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
13-06-2025 04:105.240.09
 Next HWNext LW
06:24, 6.83 12:37, 1.51
Date Highest 2025 Date Lowest 2025
31-03 8.34m 30-03 -0.05m
Time (GMT)ElevationResidual
15-04-2025 00:001.370.25
14-04-2025 23:501.430.24
14-04-2025 23:401.540.26
14-04-2025 23:301.610.23
14-04-2025 23:201.770.26
14-04-2025 23:101.90.25
14-04-2025 23:002.080.26
14-04-2025 22:502.240.24
14-04-2025 22:402.420.23
14-04-2025 22:302.630.24
14-04-2025 22:202.860.24
14-04-2025 22:103.080.24
14-04-2025 22:003.280.2
14-04-2025 21:503.560.22
14-04-2025 21:403.810.22
14-04-2025 21:304.050.21
14-04-2025 21:204.340.23
14-04-2025 21:104.580.22
14-04-2025 21:004.850.22
14-04-2025 20:505.090.2
14-04-2025 20:405.320.18
14-04-2025 20:305.590.2
14-04-2025 20:205.820.19
14-04-2025 20:106.020.16
14-04-2025 20:006.250.17
14-04-2025 19:506.450.16
14-04-2025 19:406.640.16
14-04-2025 19:306.820.16
14-04-2025 19:206.980.16
14-04-2025 19:107.130.17
14-04-2025 19:007.260.18
14-04-2025 18:507.360.19
14-04-2025 18:407.430.18
14-04-2025 18:307.480.18
14-04-2025 18:207.520.2
14-04-2025 18:107.510.18
14-04-2025 18:007.490.19
14-04-2025 17:507.440.2
14-04-2025 17:407.350.19
14-04-2025 17:307.250.19
14-04-2025 17:207.140.2
14-04-2025 17:106.990.2
14-04-2025 17:006.830.21
14-04-2025 16:506.640.21
14-04-2025 16:406.410.19
14-04-2025 16:306.20.19
14-04-2025 16:205.950.19
14-04-2025 16:105.730.21
14-04-2025 16:005.470.2
14-04-2025 15:505.210.21
14-04-2025 15:404.960.23
14-04-2025 15:304.710.25
14-04-2025 15:204.450.27
14-04-2025 15:104.180.27
14-04-2025 15:003.910.27
14-04-2025 14:503.640.27
14-04-2025 14:403.380.26
14-04-2025 14:303.140.27
14-04-2025 14:202.910.28
14-04-2025 14:102.650.25
14-04-2025 14:002.440.26
14-04-2025 13:502.250.27
14-04-2025 13:402.080.27
14-04-2025 13:301.910.28
14-04-2025 13:201.780.29
14-04-2025 13:101.630.28
14-04-2025 13:001.490.24
14-04-2025 12:501.440.28
14-04-2025 12:401.380.29
14-04-2025 12:301.310.26
14-04-2025 12:201.290.26
14-04-2025 12:101.280.26
14-04-2025 12:001.310.26
14-04-2025 11:501.380.29
14-04-2025 11:401.410.25
14-04-2025 11:301.460.21
14-04-2025 11:201.580.23
14-04-2025 11:101.710.24
14-04-2025 11:001.850.23
14-04-2025 10:5020.22
14-04-2025 10:402.180.23
14-04-2025 10:302.380.23
14-04-2025 10:202.560.21
14-04-2025 10:102.790.23
14-04-2025 10:003.030.24
14-04-2025 09:503.240.21
14-04-2025 09:403.470.2
14-04-2025 09:303.720.2
14-04-2025 09:2040.22
14-04-2025 09:104.240.2
14-04-2025 09:004.490.2
14-04-2025 08:504.750.2
14-04-2025 08:405.010.2
14-04-2025 08:305.250.19
14-04-2025 08:205.510.2
14-04-2025 08:105.730.17
14-04-2025 08:005.950.16
14-04-2025 07:506.190.17
14-04-2025 07:406.410.18
14-04-2025 07:306.60.18
14-04-2025 07:206.80.19
14-04-2025 07:106.960.19
14-04-2025 07:007.070.15
14-04-2025 06:507.240.19
14-04-2025 06:407.340.18
14-04-2025 06:307.420.18
14-04-2025 06:207.470.17
14-04-2025 06:107.520.18
14-04-2025 06:007.520.16
14-04-2025 05:507.510.17
14-04-2025 05:407.450.15
14-04-2025 05:307.380.14
14-04-2025 05:207.290.15
14-04-2025 05:107.20.17
14-04-2025 05:007.040.15
14-04-2025 04:506.890.16
14-04-2025 04:406.710.16
14-04-2025 04:306.490.14
14-04-2025 04:206.270.14
14-04-2025 04:106.030.13
14-04-2025 04:005.820.16
14-04-2025 03:505.560.15
14-04-2025 03:405.270.12
14-04-2025 03:305.040.17
14-04-2025 03:204.760.16
14-04-2025 03:104.50.17
14-04-2025 03:004.250.2
14-04-2025 02:5040.22
14-04-2025 02:403.720.21
14-04-2025 02:303.470.23
14-04-2025 02:203.250.26
14-04-2025 02:102.990.25
14-04-2025 02:002.730.23
14-04-2025 01:502.510.23
14-04-2025 01:402.270.21
14-04-2025 01:302.090.22
14-04-2025 01:201.910.22
14-04-2025 01:101.780.25
14-04-2025 01:001.620.23
14-04-2025 00:501.50.25
14-04-2025 00:401.380.23
14-04-2025 00:301.290.22
14-04-2025 00:201.230.22
14-04-2025 00:101.210.23