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 04:305.660.1
 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
19-04-2025 00:003.710.19
18-04-2025 23:503.890.2
18-04-2025 23:404.060.2
18-04-2025 23:304.250.2
18-04-2025 23:204.430.2
18-04-2025 23:104.620.21
18-04-2025 23:004.820.23
18-04-2025 22:5050.23
18-04-2025 22:405.170.23
18-04-2025 22:305.360.24
18-04-2025 22:205.530.25
18-04-2025 22:105.70.26
18-04-2025 22:005.860.27
18-04-2025 21:506.010.28
18-04-2025 21:406.140.28
18-04-2025 21:306.270.29
18-04-2025 21:206.380.3
18-04-2025 21:106.490.31
18-04-2025 21:006.570.32
18-04-2025 20:506.660.34
18-04-2025 20:406.70.34
18-04-2025 20:306.730.34
18-04-2025 20:206.750.36
18-04-2025 20:106.730.34
18-04-2025 20:006.720.35
18-04-2025 19:506.690.36
18-04-2025 19:406.650.38
18-04-2025 19:306.560.36
18-04-2025 19:206.50.38
18-04-2025 19:106.390.38
18-04-2025 19:006.280.38
18-04-2025 18:506.160.39
18-04-2025 18:4060.37
18-04-2025 18:305.870.39
18-04-2025 18:205.710.38
18-04-2025 18:105.530.37
18-04-2025 18:005.370.38
18-04-2025 17:505.180.37
18-04-2025 17:404.990.37
18-04-2025 17:304.830.4
18-04-2025 17:204.640.39
18-04-2025 17:104.460.4
18-04-2025 17:004.280.4
18-04-2025 16:504.080.38
18-04-2025 16:403.920.4
18-04-2025 16:303.720.38
18-04-2025 16:203.570.39
18-04-2025 16:103.380.37
18-04-2025 16:003.210.35
18-04-2025 15:503.080.36
18-04-2025 15:402.940.35
18-04-2025 15:302.80.34
18-04-2025 15:202.710.35
18-04-2025 15:102.60.34
18-04-2025 15:002.520.34
18-04-2025 14:502.450.34
18-04-2025 14:402.390.34
18-04-2025 14:302.340.33
18-04-2025 14:202.310.32
18-04-2025 14:102.280.31
18-04-2025 14:002.290.31
18-04-2025 13:502.30.3
18-04-2025 13:402.330.3
18-04-2025 13:302.380.3
18-04-2025 13:202.440.3
18-04-2025 13:102.510.3
18-04-2025 13:002.590.28
18-04-2025 12:502.680.27
18-04-2025 12:402.780.26
18-04-2025 12:302.920.27
18-04-2025 12:203.040.25
18-04-2025 12:103.170.23
18-04-2025 12:003.320.23
18-04-2025 11:503.480.22
18-04-2025 11:403.650.22
18-04-2025 11:303.820.21
18-04-2025 11:203.990.2
18-04-2025 11:104.20.22
18-04-2025 11:004.370.2
18-04-2025 10:504.570.21
18-04-2025 10:404.740.19
18-04-2025 10:304.950.21
18-04-2025 10:205.130.2
18-04-2025 10:105.320.21
18-04-2025 10:005.490.21
18-04-2025 09:505.670.21
18-04-2025 09:405.820.21
18-04-2025 09:305.960.2
18-04-2025 09:206.10.2
18-04-2025 09:106.240.21
18-04-2025 09:006.380.24
18-04-2025 08:506.470.24
18-04-2025 08:406.550.24
18-04-2025 08:306.620.24
18-04-2025 08:206.680.26
18-04-2025 08:106.720.27
18-04-2025 08:006.720.27
18-04-2025 07:506.720.27
18-04-2025 07:406.70.29
18-04-2025 07:306.670.3
18-04-2025 07:206.610.3
18-04-2025 07:106.530.3
18-04-2025 07:006.430.3
18-04-2025 06:506.320.31
18-04-2025 06:406.20.31
18-04-2025 06:306.090.34
18-04-2025 06:205.910.31
18-04-2025 06:105.750.32
18-04-2025 06:005.570.31
18-04-2025 05:505.40.32
18-04-2025 05:405.190.3
18-04-2025 05:304.990.3
18-04-2025 05:204.780.28
18-04-2025 05:104.610.31
18-04-2025 05:004.390.3
18-04-2025 04:504.190.3
18-04-2025 04:403.990.3
18-04-2025 04:303.80.3
18-04-2025 04:203.60.29
18-04-2025 04:103.40.28
18-04-2025 04:003.220.28
18-04-2025 03:503.040.27
18-04-2025 03:402.860.25
18-04-2025 03:302.70.24
18-04-2025 03:202.570.25
18-04-2025 03:102.430.23
18-04-2025 03:002.320.23
18-04-2025 02:502.220.23
18-04-2025 02:402.110.2
18-04-2025 02:302.050.21
18-04-2025 02:201.990.2
18-04-2025 02:101.950.19
18-04-2025 02:001.920.18
18-04-2025 01:501.940.19
18-04-2025 01:401.930.18
18-04-2025 01:301.940.15
18-04-2025 01:201.990.15
18-04-2025 01:102.080.17
18-04-2025 01:002.150.17
18-04-2025 00:502.220.14
18-04-2025 00:402.340.15
18-04-2025 00:302.470.15
18-04-2025 00:202.610.16
18-04-2025 00:102.750.15