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 20:503.68-0.08
 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
13-11-2025 00:005.880.18
12-11-2025 23:505.920.17
12-11-2025 23:405.910.12
12-11-2025 23:305.970.15
12-11-2025 23:205.90.07
12-11-2025 23:106.060.22
12-11-2025 23:006.020.18
12-11-2025 22:505.970.15
12-11-2025 22:406.020.24
12-11-2025 22:305.880.15
12-11-2025 22:205.890.21
12-11-2025 22:105.850.24
12-11-2025 22:005.710.19
12-11-2025 21:505.660.23
12-11-2025 21:405.530.2
12-11-2025 21:305.420.2
12-11-2025 21:205.380.28
12-11-2025 21:105.210.24
12-11-2025 21:005.10.26
12-11-2025 20:504.990.28
12-11-2025 20:404.850.29
12-11-2025 20:304.630.21
12-11-2025 20:204.560.28
12-11-2025 20:104.460.33
12-11-2025 20:004.250.27
12-11-2025 19:504.120.28
12-11-2025 19:404.020.32
12-11-2025 19:303.910.35
12-11-2025 19:203.770.34
12-11-2025 19:103.680.38
12-11-2025 19:003.470.28
12-11-2025 18:503.370.3
12-11-2025 18:403.280.3
12-11-2025 18:303.170.29
12-11-2025 18:203.080.28
12-11-2025 18:102.980.26
12-11-2025 18:002.980.32
12-11-2025 17:5030.4
12-11-2025 17:402.850.29
12-11-2025 17:302.840.3
12-11-2025 17:202.790.27
12-11-2025 17:102.710.2
12-11-2025 17:002.640.12
12-11-2025 16:502.720.17
12-11-2025 16:402.690.11
12-11-2025 16:302.760.14
12-11-2025 16:202.770.1
12-11-2025 16:102.880.15
12-11-2025 16:002.950.15
12-11-2025 15:502.960.08
12-11-2025 15:403.060.1
12-11-2025 15:303.130.06
12-11-2025 15:203.20.03
12-11-2025 15:103.310.04
12-11-2025 15:003.450.06
12-11-2025 14:503.540.03
12-11-2025 14:403.680.05
12-11-2025 14:303.790.03
12-11-2025 14:203.920.03
12-11-2025 14:104.030.01
12-11-2025 14:004.20.05
12-11-2025 13:504.23-0.06
12-11-2025 13:404.42-0.01
12-11-2025 13:304.54-0.04
12-11-2025 13:204.69-0.02
12-11-2025 13:104.870.02
12-11-2025 13:004.97-0.02
12-11-2025 12:505.09-0.03
12-11-2025 12:405.320.07
12-11-2025 12:305.430.05
12-11-2025 12:205.520.02
12-11-2025 12:105.630.02
12-11-2025 12:005.810.09
12-11-2025 11:505.940.11
12-11-2025 11:406.040.13
12-11-2025 11:306.140.15
12-11-2025 11:206.160.1
12-11-2025 11:106.230.1
12-11-2025 11:006.30.12
12-11-2025 10:506.360.15
12-11-2025 10:406.450.21
12-11-2025 10:306.440.19
12-11-2025 10:206.430.19
12-11-2025 10:106.510.29
12-11-2025 10:006.380.19
12-11-2025 09:506.380.23
12-11-2025 09:406.330.24
12-11-2025 09:206.170.24
12-11-2025 09:106.090.25
12-11-2025 09:005.950.22
12-11-2025 08:505.820.2
12-11-2025 08:405.730.23
12-11-2025 08:305.630.27
12-11-2025 08:205.430.21
12-11-2025 08:105.330.25
12-11-2025 08:005.190.26
12-11-2025 07:505.010.23
12-11-2025 07:404.940.32
12-11-2025 07:304.780.31
12-11-2025 07:204.560.25
12-11-2025 07:104.390.23
12-11-2025 07:004.310.31
12-11-2025 06:504.10.24
12-11-2025 06:403.930.22
12-11-2025 06:303.770.21
12-11-2025 06:203.650.22
12-11-2025 06:103.50.2
12-11-2025 06:003.390.21
12-11-2025 05:503.30.23
12-11-2025 05:403.130.17
12-11-2025 05:303.140.27
12-11-2025 05:203.020.23
12-11-2025 05:102.90.18
12-11-2025 05:002.830.17
12-11-2025 04:502.80.18
12-11-2025 04:402.730.14
12-11-2025 04:302.690.12
12-11-2025 04:202.710.15
12-11-2025 04:102.70.14
12-11-2025 04:002.750.17
12-11-2025 03:502.740.13
12-11-2025 03:402.760.11
12-11-2025 03:302.850.16
12-11-2025 03:202.90.15
12-11-2025 03:102.920.1
12-11-2025 03:003.030.14
12-11-2025 02:503.140.16
12-11-2025 02:403.250.17
12-11-2025 02:303.370.19
12-11-2025 02:203.430.14
12-11-2025 02:103.570.17
12-11-2025 02:003.620.1
12-11-2025 01:503.740.09
12-11-2025 01:403.910.14
12-11-2025 01:304.060.15
12-11-2025 01:204.20.15
12-11-2025 01:104.30.11
12-11-2025 01:004.430.1
12-11-2025 00:504.590.11
12-11-2025 00:404.750.13
12-11-2025 00:304.890.13
12-11-2025 00:205.060.16
12-11-2025 00:105.190.14