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
09-07-2025 12:303.060.01
 Next HWNext LW
16:34, 6.69 22:50, 1.73
Date Highest 2025 Date Lowest 2025
31-03 8.34m 30-03 -0.05m
Time (GMT)ElevationResidual
20-04-2025 00:004.370.06
19-04-2025 23:504.50.04
19-04-2025 23:404.630.02
19-04-2025 23:304.810.05
19-04-2025 23:204.960.07
19-04-2025 23:105.120.08
19-04-2025 23:005.270.09
19-04-2025 22:505.380.08
19-04-2025 22:405.540.12
19-04-2025 22:305.640.1
19-04-2025 22:205.770.13
19-04-2025 22:105.860.13
19-04-2025 22:005.970.15
19-04-2025 21:506.010.13
19-04-2025 21:406.080.14
19-04-2025 21:306.170.18
19-04-2025 21:206.190.17
19-04-2025 21:106.220.18
19-04-2025 21:006.240.21
19-04-2025 20:506.220.19
19-04-2025 20:406.250.25
19-04-2025 20:306.20.23
19-04-2025 20:206.150.24
19-04-2025 20:106.110.26
19-04-2025 20:006.030.26
19-04-2025 19:505.950.26
19-04-2025 19:405.860.27
19-04-2025 19:305.720.24
19-04-2025 19:205.640.27
19-04-2025 19:105.510.27
19-04-2025 19:005.390.28
19-04-2025 18:505.230.26
19-04-2025 18:405.130.3
19-04-2025 18:304.980.3
19-04-2025 18:204.820.29
19-04-2025 18:104.680.3
19-04-2025 18:004.550.33
19-04-2025 17:504.410.34
19-04-2025 17:404.220.31
19-04-2025 17:304.070.31
19-04-2025 17:203.910.3
19-04-2025 17:103.790.32
19-04-2025 17:003.640.31
19-04-2025 16:503.510.31
19-04-2025 16:403.380.31
19-04-2025 16:303.260.3
19-04-2025 16:203.160.31
19-04-2025 16:103.060.3
19-04-2025 16:002.960.3
19-04-2025 15:502.860.28
19-04-2025 15:402.790.28
19-04-2025 15:302.740.28
19-04-2025 15:202.670.26
19-04-2025 15:102.610.24
19-04-2025 15:002.60.25
19-04-2025 14:502.580.24
19-04-2025 14:402.560.22
19-04-2025 14:302.580.22
19-04-2025 14:202.590.21
19-04-2025 14:102.620.2
19-04-2025 14:002.650.19
19-04-2025 13:502.70.18
19-04-2025 13:402.770.18
19-04-2025 13:302.890.21
19-04-2025 13:202.980.2
19-04-2025 13:103.080.2
19-04-2025 13:003.150.16
19-04-2025 12:503.260.15
19-04-2025 12:403.390.15
19-04-2025 12:303.510.14
19-04-2025 12:203.650.13
19-04-2025 12:103.780.11
19-04-2025 12:003.930.12
19-04-2025 11:504.10.13
19-04-2025 11:404.260.13
19-04-2025 11:304.420.12
19-04-2025 11:204.570.12
19-04-2025 11:104.730.11
19-04-2025 11:004.890.12
19-04-2025 10:505.030.1
19-04-2025 10:405.180.1
19-04-2025 10:305.340.12
19-04-2025 10:205.480.12
19-04-2025 10:105.620.14
19-04-2025 10:005.740.13
19-04-2025 09:505.870.15
19-04-2025 09:405.980.17
19-04-2025 09:306.060.17
19-04-2025 09:206.150.19
19-04-2025 09:106.230.22
19-04-2025 09:006.280.22
19-04-2025 08:506.330.25
19-04-2025 08:406.350.26
19-04-2025 08:306.370.29
19-04-2025 08:206.350.29
19-04-2025 08:106.330.31
19-04-2025 08:006.280.32
19-04-2025 07:506.230.33
19-04-2025 07:406.150.33
19-04-2025 07:306.070.34
19-04-2025 07:205.970.34
19-04-2025 07:105.840.33
19-04-2025 07:005.720.34
19-04-2025 06:505.580.33
19-04-2025 06:405.440.34
19-04-2025 06:305.290.34
19-04-2025 06:205.130.35
19-04-2025 06:104.960.34
19-04-2025 06:004.80.34
19-04-2025 05:504.660.37
19-04-2025 05:404.490.37
19-04-2025 05:304.320.38
19-04-2025 05:204.130.36
19-04-2025 05:103.980.37
19-04-2025 05:003.810.37
19-04-2025 04:503.640.35
19-04-2025 04:403.490.36
19-04-2025 04:303.320.34
19-04-2025 04:203.180.33
19-04-2025 04:103.060.34
19-04-2025 04:002.950.35
19-04-2025 03:502.820.33
19-04-2025 03:402.70.31
19-04-2025 03:302.620.31
19-04-2025 03:202.550.31
19-04-2025 03:102.490.31
19-04-2025 03:002.420.28
19-04-2025 02:502.390.28
19-04-2025 02:402.370.28
19-04-2025 02:302.360.27
19-04-2025 02:202.370.28
19-04-2025 02:102.370.25
19-04-2025 02:002.410.25
19-04-2025 01:502.450.24
19-04-2025 01:402.510.24
19-04-2025 01:302.60.25
19-04-2025 01:202.690.25
19-04-2025 01:102.790.25
19-04-2025 01:002.90.24
19-04-2025 00:503.030.25
19-04-2025 00:403.140.23
19-04-2025 00:303.280.22
19-04-2025 00:203.410.21
19-04-2025 00:103.560.2