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
18-01-2026 20:304.13-0.07
 Next HWNext LW
05:43, 7.18 23:40, 1.51
Date Highest 2026 Date Lowest 2026
05-01 7.72m 05-01 0.71m
Time (GMT)ElevationResidual
11-11-2025 00:004.28-0
10-11-2025 23:504.490.02
10-11-2025 23:404.660.01
10-11-2025 23:304.860.03
10-11-2025 23:205.030.02
10-11-2025 23:105.20.01
10-11-2025 23:005.380.02
10-11-2025 22:505.540
10-11-2025 22:405.740.04
10-11-2025 22:305.8-0.04
10-11-2025 22:206.050.06
10-11-2025 22:106.120.01
10-11-2025 22:006.30.07
10-11-2025 21:506.370.03
10-11-2025 21:406.450.02
10-11-2025 21:306.48-0.02
10-11-2025 21:206.620.07
10-11-2025 21:106.60.01
10-11-2025 21:006.680.07
10-11-2025 20:506.670.06
10-11-2025 20:406.640.05
10-11-2025 20:306.640.09
10-11-2025 20:206.550.06
10-11-2025 20:106.50.09
10-11-2025 20:006.450.13
10-11-2025 19:506.30.09
10-11-2025 19:406.210.12
10-11-2025 19:306.110.16
10-11-2025 19:205.940.14
10-11-2025 19:105.790.16
10-11-2025 19:005.590.14
10-11-2025 18:505.420.15
10-11-2025 18:405.260.19
10-11-2025 18:305.040.17
10-11-2025 18:204.820.15
10-11-2025 18:104.640.18
10-11-2025 18:004.40.15
10-11-2025 17:504.240.19
10-11-2025 17:404.080.24
10-11-2025 17:303.810.17
10-11-2025 17:203.690.25
10-11-2025 17:103.440.19
10-11-2025 17:003.280.22
10-11-2025 16:503.080.2
10-11-2025 16:402.940.22
10-11-2025 16:302.730.18
10-11-2025 16:202.560.14
10-11-2025 16:102.460.17
10-11-2025 16:002.350.18
10-11-2025 15:502.270.2
10-11-2025 15:402.130.15
10-11-2025 15:302.040.13
10-11-2025 15:202.010.15
10-11-2025 15:1020.18
10-11-2025 15:002.010.21
10-11-2025 14:501.990.19
10-11-2025 14:401.90.08
10-11-2025 14:301.990.15
10-11-2025 14:201.970.08
10-11-2025 14:102.070.12
10-11-2025 14:002.130.11
10-11-2025 13:502.230.12
10-11-2025 13:402.30.09
10-11-2025 13:302.380.06
10-11-2025 13:202.570.12
10-11-2025 13:102.680.09
10-11-2025 13:002.840.11
10-11-2025 12:502.950.06
10-11-2025 12:403.150.09
10-11-2025 12:303.330.1
10-11-2025 12:203.50.08
10-11-2025 12:103.680.08
10-11-2025 12:003.880.08
10-11-2025 11:504.030.03
10-11-2025 11:404.270.07
10-11-2025 11:304.510.11
10-11-2025 11:204.710.09
10-11-2025 11:104.980.15
10-11-2025 11:005.110.08
10-11-2025 10:505.350.12
10-11-2025 10:405.570.13
10-11-2025 10:305.750.12
10-11-2025 10:205.890.07
10-11-2025 10:106.140.13
10-11-2025 10:006.30.12
10-11-2025 09:506.490.15
10-11-2025 09:406.60.11
10-11-2025 09:306.730.1
10-11-2025 09:206.80.05
10-11-2025 09:107.10.25
10-11-2025 09:007.060.12
10-11-2025 08:507.140.13
10-11-2025 08:407.230.18
10-11-2025 08:307.280.2
10-11-2025 08:207.260.18
10-11-2025 08:107.230.16
10-11-2025 08:007.090.05
10-11-2025 07:507.090.1
10-11-2025 07:407.080.17
10-11-2025 07:306.960.15
10-11-2025 07:206.820.12
10-11-2025 07:106.780.21
10-11-2025 07:006.540.12
10-11-2025 06:506.440.19
10-11-2025 06:406.230.15
10-11-2025 06:306.090.21
10-11-2025 06:205.850.17
10-11-2025 06:105.670.2
10-11-2025 06:005.480.23
10-11-2025 05:505.270.25
10-11-2025 05:4050.2
10-11-2025 05:304.750.19
10-11-2025 05:204.510.18
10-11-2025 05:104.230.13
10-11-2025 05:004.080.21
10-11-2025 04:503.780.14
10-11-2025 04:403.570.16
10-11-2025 04:303.360.15
10-11-2025 04:203.150.15
10-11-2025 04:103.010.21
10-11-2025 04:002.820.19
10-11-2025 03:502.620.17
10-11-2025 03:402.440.15
10-11-2025 03:302.260.11
10-11-2025 03:202.220.19
10-11-2025 03:101.990.06
10-11-2025 03:001.980.14
10-11-2025 02:501.930.16
10-11-2025 02:401.940.22
10-11-2025 02:301.810.13
10-11-2025 02:201.890.22
10-11-2025 02:101.810.14
10-11-2025 02:001.850.17
10-11-2025 01:501.890.16
10-11-2025 01:401.980.2
10-11-2025 01:302.020.17
10-11-2025 01:202.070.13
10-11-2025 01:102.190.15
10-11-2025 01:002.280.12
10-11-2025 00:502.390.1
10-11-2025 00:402.520.08
10-11-2025 00:302.780.18
10-11-2025 00:202.930.16
10-11-2025 00:103.10.15