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
19-01-2026 10:302.1-0.03
 Next HWNext LW
18:01, 7.02 12:00, 1.34
Date Highest 2026 Date Lowest 2026
05-01 7.72m 05-01 0.71m
Time (GMT)ElevationResidual
14-11-2025 00:005.940.17
13-11-2025 23:505.860.13
13-11-2025 23:405.850.17
13-11-2025 23:305.780.16
13-11-2025 23:205.680.15
13-11-2025 23:105.610.16
13-11-2025 23:005.510.16
13-11-2025 22:505.410.16
13-11-2025 22:405.260.13
13-11-2025 22:305.110.1
13-11-2025 22:205.030.14
13-11-2025 22:104.90.15
13-11-2025 22:004.780.17
13-11-2025 21:504.620.15
13-11-2025 21:404.50.17
13-11-2025 21:304.370.19
13-11-2025 21:204.270.22
13-11-2025 21:104.090.19
13-11-2025 21:003.910.15
13-11-2025 20:503.790.16
13-11-2025 20:403.640.15
13-11-2025 20:303.480.11
13-11-2025 20:203.380.13
13-11-2025 20:103.240.1
13-11-2025 20:003.140.11
13-11-2025 19:503.080.14
13-11-2025 19:402.980.12
13-11-2025 19:302.90.13
13-11-2025 19:202.820.11
13-11-2025 19:102.780.13
13-11-2025 19:002.760.15
13-11-2025 18:502.660.08
13-11-2025 18:402.670.11
13-11-2025 18:302.640.09
13-11-2025 18:202.670.11
13-11-2025 18:102.660.09
13-11-2025 18:002.670.07
13-11-2025 17:502.690.06
13-11-2025 17:402.760.07
13-11-2025 17:302.850.1
13-11-2025 17:202.910.1
13-11-2025 17:102.980.08
13-11-2025 17:003.050.07
13-11-2025 16:503.140.07
13-11-2025 16:403.240.07
13-11-2025 16:303.340.06
13-11-2025 16:203.410.01
13-11-2025 16:103.540.03
13-11-2025 16:003.61-0.02
13-11-2025 15:503.74-0.01
13-11-2025 15:403.87-0.01
13-11-2025 15:304-0.01
13-11-2025 15:204.11-0.04
13-11-2025 15:104.23-0.04
13-11-2025 15:004.38-0.02
13-11-2025 14:504.52-0.02
13-11-2025 14:404.62-0.05
13-11-2025 14:304.76-0.04
13-11-2025 14:204.91-0.01
13-11-2025 14:105.03-0.02
13-11-2025 14:005.15-0.02
13-11-2025 13:505.26-0.03
13-11-2025 13:405.39-0
13-11-2025 13:305.520.02
13-11-2025 13:205.640.04
13-11-2025 13:105.730.04
13-11-2025 13:005.860.08
13-11-2025 12:505.920.06
13-11-2025 12:405.980.06
13-11-2025 12:306.010.03
13-11-2025 12:206.120.1
13-11-2025 12:106.140.08
13-11-2025 12:006.210.13
13-11-2025 11:506.170.08
13-11-2025 11:406.210.12
13-11-2025 11:306.210.14
13-11-2025 11:206.150.1
13-11-2025 11:106.140.13
13-11-2025 11:006.090.13
13-11-2025 10:506.020.12
13-11-2025 10:405.970.14
13-11-2025 10:305.910.17
13-11-2025 10:205.840.19
13-11-2025 10:105.70.15
13-11-2025 10:005.640.2
13-11-2025 09:505.530.21
13-11-2025 09:405.40.2
13-11-2025 09:305.270.2
13-11-2025 09:205.110.17
13-11-2025 09:104.970.18
13-11-2025 09:004.840.18
13-11-2025 08:504.710.2
13-11-2025 08:404.560.19
13-11-2025 08:304.450.22
13-11-2025 08:204.30.21
13-11-2025 08:104.160.21
13-11-2025 08:0040.19
13-11-2025 07:503.850.16
13-11-2025 07:403.730.17
13-11-2025 07:303.630.19
13-11-2025 07:203.530.19
13-11-2025 07:103.40.17
13-11-2025 07:003.310.17
13-11-2025 06:503.190.14
13-11-2025 06:403.110.14
13-11-2025 06:303.080.17
13-11-2025 06:203.010.16
13-11-2025 06:102.940.14
13-11-2025 06:002.910.13
13-11-2025 05:502.890.14
13-11-2025 05:402.880.14
13-11-2025 05:302.90.16
13-11-2025 05:202.890.13
13-11-2025 05:102.920.14
13-11-2025 05:002.980.17
13-11-2025 04:503.060.21
13-11-2025 04:403.070.16
13-11-2025 04:303.110.15
13-11-2025 04:203.20.16
13-11-2025 04:103.260.15
13-11-2025 04:003.350.16
13-11-2025 03:503.410.12
13-11-2025 03:403.520.14
13-11-2025 03:303.570.09
13-11-2025 03:203.680.1
13-11-2025 03:103.760.08
13-11-2025 03:003.940.14
13-11-2025 02:504.030.11
13-11-2025 02:404.110.08
13-11-2025 02:304.210.06
13-11-2025 02:204.370.1
13-11-2025 02:104.490.09
13-11-2025 02:004.630.12
13-11-2025 01:504.70.06
13-11-2025 01:404.850.1
13-11-2025 01:304.980.11
13-11-2025 01:205.090.1
13-11-2025 01:105.140.04
13-11-2025 01:005.30.09
13-11-2025 00:505.480.17
13-11-2025 00:405.540.14
13-11-2025 00:305.580.09
13-11-2025 00:205.690.12
13-11-2025 00:105.760.13