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
17-05-2025 21:106.21-0
 Next HWNext LW
08:30, 6.21 02:26, 1.98
Date Highest 2025 Date Lowest 2025
31-03 8.34m 30-03 -0.05m
Time (GMT)ElevationResidual
16-04-2025 00:001.780.28
15-04-2025 23:501.910.29
15-04-2025 23:402.030.28
15-04-2025 23:302.120.22
15-04-2025 23:202.30.24
15-04-2025 23:102.490.24
15-04-2025 23:002.670.23
15-04-2025 22:502.880.23
15-04-2025 22:403.070.2
15-04-2025 22:303.270.18
15-04-2025 22:203.510.19
15-04-2025 22:103.730.17
15-04-2025 22:0040.19
15-04-2025 21:504.250.19
15-04-2025 21:404.470.16
15-04-2025 21:304.710.14
15-04-2025 21:204.970.17
15-04-2025 21:105.180.13
15-04-2025 21:005.420.13
15-04-2025 20:505.610.08
15-04-2025 20:405.860.11
15-04-2025 20:306.070.11
15-04-2025 20:206.280.11
15-04-2025 20:106.430.07
15-04-2025 20:006.630.1
15-04-2025 19:506.790.1
15-04-2025 19:406.930.11
15-04-2025 19:307.10.15
15-04-2025 19:207.120.08
15-04-2025 19:107.250.14
15-04-2025 19:007.270.1
15-04-2025 18:507.30.1
15-04-2025 18:407.310.11
15-04-2025 18:307.310.13
15-04-2025 18:207.270.14
15-04-2025 18:107.190.12
15-04-2025 18:007.10.12
15-04-2025 17:506.990.13
15-04-2025 17:406.870.15
15-04-2025 17:306.70.13
15-04-2025 17:206.520.12
15-04-2025 17:106.320.12
15-04-2025 17:006.150.16
15-04-2025 16:505.920.15
15-04-2025 16:405.680.14
15-04-2025 16:305.410.12
15-04-2025 16:205.20.15
15-04-2025 16:104.960.16
15-04-2025 16:004.690.15
15-04-2025 15:504.430.16
15-04-2025 15:404.170.16
15-04-2025 15:303.920.17
15-04-2025 15:203.650.15
15-04-2025 15:103.410.16
15-04-2025 15:003.180.17
15-04-2025 14:502.980.2
15-04-2025 14:402.70.15
15-04-2025 14:302.510.16
15-04-2025 14:202.310.16
15-04-2025 14:102.110.14
15-04-2025 14:001.980.17
15-04-2025 13:501.870.22
15-04-2025 13:401.710.18
15-04-2025 13:301.630.22
15-04-2025 13:201.520.2
15-04-2025 13:101.410.16
15-04-2025 13:001.410.21
15-04-2025 12:501.330.16
15-04-2025 12:401.350.19
15-04-2025 12:301.380.21
15-04-2025 12:201.420.21
15-04-2025 12:101.430.17
15-04-2025 12:001.50.17
15-04-2025 11:501.60.17
15-04-2025 11:401.710.18
15-04-2025 11:301.830.17
15-04-2025 11:201.950.14
15-04-2025 11:102.140.16
15-04-2025 11:002.320.16
15-04-2025 10:502.530.17
15-04-2025 10:402.670.12
15-04-2025 10:302.910.14
15-04-2025 10:203.180.18
15-04-2025 10:103.350.12
15-04-2025 10:003.610.13
15-04-2025 09:503.890.17
15-04-2025 09:404.160.19
15-04-2025 09:304.350.13
15-04-2025 09:204.660.19
15-04-2025 09:104.850.13
15-04-2025 09:005.110.14
15-04-2025 08:505.330.12
15-04-2025 08:405.580.13
15-04-2025 08:305.780.1
15-04-2025 08:2060.1
15-04-2025 08:106.230.12
15-04-2025 08:006.410.11
15-04-2025 07:506.60.12
15-04-2025 07:406.760.11
15-04-2025 07:306.920.12
15-04-2025 07:207.050.13
15-04-2025 07:107.180.15
15-04-2025 07:007.260.14
15-04-2025 06:507.330.15
15-04-2025 06:407.360.14
15-04-2025 06:307.40.16
15-04-2025 06:207.390.16
15-04-2025 06:107.370.17
15-04-2025 06:007.290.15
15-04-2025 05:507.230.18
15-04-2025 05:407.120.18
15-04-2025 05:307.010.2
15-04-2025 05:206.850.18
15-04-2025 05:106.680.18
15-04-2025 05:006.490.18
15-04-2025 04:506.280.18
15-04-2025 04:406.080.19
15-04-2025 04:305.830.18
15-04-2025 04:205.610.2
15-04-2025 04:105.340.18
15-04-2025 04:005.10.2
15-04-2025 03:504.860.22
15-04-2025 03:404.620.25
15-04-2025 03:304.360.26
15-04-2025 03:204.130.29
15-04-2025 03:103.870.29
15-04-2025 03:003.580.26
15-04-2025 02:503.350.28
15-04-2025 02:403.120.3
15-04-2025 02:302.870.28
15-04-2025 02:202.640.27
15-04-2025 02:102.40.24
15-04-2025 02:002.240.27
15-04-2025 01:502.060.27
15-04-2025 01:401.920.29
15-04-2025 01:301.760.28
15-04-2025 01:201.650.3
15-04-2025 01:101.520.27
15-04-2025 01:001.430.26
15-04-2025 00:501.370.27
15-04-2025 00:401.330.27
15-04-2025 00:301.290.24
15-04-2025 00:201.340.3
15-04-2025 00:101.330.26