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 21:206.08-0.02
 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
18-04-2025 00:002.90.15
17-04-2025 23:503.080.15
17-04-2025 23:403.250.15
17-04-2025 23:303.430.14
17-04-2025 23:203.610.13
17-04-2025 23:103.810.12
17-04-2025 23:004.010.12
17-04-2025 22:504.210.11
17-04-2025 22:404.410.1
17-04-2025 22:304.630.12
17-04-2025 22:204.850.12
17-04-2025 22:105.060.14
17-04-2025 22:005.250.13
17-04-2025 21:505.420.1
17-04-2025 21:405.630.12
17-04-2025 21:305.80.11
17-04-2025 21:205.990.13
17-04-2025 21:106.130.11
17-04-2025 21:006.30.13
17-04-2025 20:506.410.12
17-04-2025 20:406.560.15
17-04-2025 20:306.650.14
17-04-2025 20:206.750.16
17-04-2025 20:106.80.15
17-04-2025 20:006.840.15
17-04-2025 19:506.870.15
17-04-2025 19:406.870.15
17-04-2025 19:306.880.17
17-04-2025 19:206.840.17
17-04-2025 19:106.780.17
17-04-2025 19:006.70.15
17-04-2025 18:506.610.16
17-04-2025 18:406.50.17
17-04-2025 18:306.370.16
17-04-2025 18:206.220.15
17-04-2025 18:106.070.15
17-04-2025 18:005.90.15
17-04-2025 17:505.740.18
17-04-2025 17:405.550.18
17-04-2025 17:305.350.17
17-04-2025 17:205.140.17
17-04-2025 17:104.940.18
17-04-2025 17:004.740.19
17-04-2025 16:504.520.18
17-04-2025 16:404.30.18
17-04-2025 16:304.070.17
17-04-2025 16:203.870.18
17-04-2025 16:103.670.19
17-04-2025 16:003.450.17
17-04-2025 15:503.270.19
17-04-2025 15:403.080.19
17-04-2025 15:302.910.19
17-04-2025 15:202.720.17
17-04-2025 15:102.560.17
17-04-2025 15:002.410.17
17-04-2025 14:502.270.16
17-04-2025 14:402.170.17
17-04-2025 14:302.080.18
17-04-2025 14:201.980.17
17-04-2025 14:101.90.15
17-04-2025 14:001.860.16
17-04-2025 13:501.810.15
17-04-2025 13:401.790.15
17-04-2025 13:301.80.15
17-04-2025 13:201.810.15
17-04-2025 13:101.810.12
17-04-2025 13:001.90.15
17-04-2025 12:501.960.14
17-04-2025 12:402.040.13
17-04-2025 12:302.160.15
17-04-2025 12:202.260.14
17-04-2025 12:102.380.12
17-04-2025 12:002.520.12
17-04-2025 11:502.680.12
17-04-2025 11:402.850.12
17-04-2025 11:303.030.12
17-04-2025 11:203.20.1
17-04-2025 11:103.370.08
17-04-2025 11:003.580.08
17-04-2025 10:503.80.09
17-04-2025 10:403.990.07
17-04-2025 10:304.210.08
17-04-2025 10:204.440.09
17-04-2025 10:104.650.09
17-04-2025 10:004.870.09
17-04-2025 09:505.070.08
17-04-2025 09:405.250.06
17-04-2025 09:305.460.07
17-04-2025 09:205.670.08
17-04-2025 09:105.850.08
17-04-2025 09:006.020.08
17-04-2025 08:506.180.08
17-04-2025 08:406.330.09
17-04-2025 08:306.460.08
17-04-2025 08:206.610.12
17-04-2025 08:106.70.11
17-04-2025 08:006.790.12
17-04-2025 07:506.850.12
17-04-2025 07:406.910.15
17-04-2025 07:306.920.14
17-04-2025 07:206.930.16
17-04-2025 07:106.90.15
17-04-2025 07:006.870.16
17-04-2025 06:506.820.18
17-04-2025 06:406.710.16
17-04-2025 06:306.610.17
17-04-2025 06:206.460.15
17-04-2025 06:106.340.17
17-04-2025 06:006.180.16
17-04-2025 05:506.020.17
17-04-2025 05:405.820.15
17-04-2025 05:305.620.14
17-04-2025 05:205.390.12
17-04-2025 05:105.190.13
17-04-2025 05:0050.16
17-04-2025 04:504.750.14
17-04-2025 04:404.510.13
17-04-2025 04:304.290.13
17-04-2025 04:204.090.16
17-04-2025 04:103.850.15
17-04-2025 04:003.630.15
17-04-2025 03:503.380.12
17-04-2025 03:403.180.13
17-04-2025 03:302.990.15
17-04-2025 03:202.770.12
17-04-2025 03:102.580.11
17-04-2025 03:002.410.12
17-04-2025 02:502.260.13
17-04-2025 02:402.080.1
17-04-2025 02:301.980.12
17-04-2025 02:201.870.12
17-04-2025 02:101.770.12
17-04-2025 02:001.670.1
17-04-2025 01:501.620.12
17-04-2025 01:401.580.11
17-04-2025 01:301.550.11
17-04-2025 01:201.540.1
17-04-2025 01:101.550.1
17-04-2025 01:001.570.08
17-04-2025 00:501.630.09
17-04-2025 00:401.710.1
17-04-2025 00:301.770.07
17-04-2025 00:201.890.09
17-04-2025 00:102.030.1