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 19:105.8-0.03
 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
09-12-2025 00:003.110.18
08-12-2025 23:503.380.25
08-12-2025 23:403.470.13
08-12-2025 23:303.730.18
08-12-2025 23:203.910.14
08-12-2025 23:104.210.21
08-12-2025 23:004.420.19
08-12-2025 22:504.620.16
08-12-2025 22:404.890.2
08-12-2025 22:305.110.19
08-12-2025 22:205.380.22
08-12-2025 22:105.510.14
08-12-2025 22:005.870.27
08-12-2025 21:505.990.18
08-12-2025 21:406.150.15
08-12-2025 21:306.390.19
08-12-2025 21:206.530.15
08-12-2025 21:106.770.23
08-12-2025 21:006.910.22
08-12-2025 20:506.960.14
08-12-2025 20:407.170.23
08-12-2025 20:307.190.16
08-12-2025 20:207.280.18
08-12-2025 20:107.370.22
08-12-2025 20:007.330.15
08-12-2025 19:507.330.16
08-12-2025 19:407.40.24
08-12-2025 19:307.320.21
08-12-2025 19:207.220.17
08-12-2025 19:107.170.22
08-12-2025 19:0070.15
08-12-2025 18:506.890.18
08-12-2025 18:406.720.17
08-12-2025 18:306.60.22
08-12-2025 18:206.320.13
08-12-2025 18:106.090.1
08-12-2025 18:005.950.18
08-12-2025 17:505.710.17
08-12-2025 17:405.480.19
08-12-2025 17:305.240.19
08-12-2025 17:204.950.16
08-12-2025 17:104.750.21
08-12-2025 17:004.460.19
08-12-2025 16:504.220.21
08-12-2025 16:403.90.14
08-12-2025 16:303.680.18
08-12-2025 16:203.380.12
08-12-2025 16:103.130.11
08-12-2025 16:0030.22
08-12-2025 15:502.830.26
08-12-2025 15:402.540.19
08-12-2025 15:302.360.19
08-12-2025 15:202.080.09
08-12-2025 15:102.070.24
08-12-2025 15:001.940.26
08-12-2025 14:501.780.23
08-12-2025 14:401.610.17
08-12-2025 14:301.540.18
08-12-2025 14:201.540.25
08-12-2025 14:101.430.19
08-12-2025 14:001.350.13
08-12-2025 13:501.30.08
08-12-2025 13:401.410.17
08-12-2025 13:301.280.01
08-12-2025 13:201.370.03
08-12-2025 13:101.460.05
08-12-2025 13:001.690.18
08-12-2025 12:501.780.16
08-12-2025 12:401.820.07
08-12-2025 12:301.990.09
08-12-2025 12:202.10.04
08-12-2025 12:102.380.15
08-12-2025 12:002.520.1
08-12-2025 11:502.680.06
08-12-2025 11:402.890.06
08-12-2025 11:303.090.05
08-12-2025 11:203.26-0.02
08-12-2025 11:103.530.03
08-12-2025 11:003.810.06
08-12-2025 10:504.130.14
08-12-2025 10:404.250.02
08-12-2025 10:304.50.02
08-12-2025 10:204.69-0.04
08-12-2025 10:105.040.06
08-12-2025 10:005.240.02
08-12-2025 09:505.46-0.01
08-12-2025 09:405.71-0
08-12-2025 09:305.91-0.03
08-12-2025 09:206.180.02
08-12-2025 09:106.33-0.04
08-12-2025 09:006.57-0.01
08-12-2025 08:506.71-0.05
08-12-2025 08:406.93-0
08-12-2025 08:307.08-0.01
08-12-2025 08:207.350.12
08-12-2025 08:107.350
08-12-2025 08:007.50.06
08-12-2025 07:507.570.05
08-12-2025 07:407.620.06
08-12-2025 07:307.690.09
08-12-2025 07:207.710.12
08-12-2025 07:107.640.07
08-12-2025 07:007.630.11
08-12-2025 06:507.550.09
08-12-2025 06:407.510.15
08-12-2025 06:307.350.11
08-12-2025 06:207.250.16
08-12-2025 06:107.090.16
08-12-2025 06:006.860.12
08-12-2025 05:506.640.1
08-12-2025 05:406.440.11
08-12-2025 05:306.240.15
08-12-2025 05:205.980.13
08-12-2025 05:105.780.19
08-12-2025 05:005.490.16
08-12-2025 04:505.290.22
08-12-2025 04:404.960.17
08-12-2025 04:304.70.19
08-12-2025 04:204.370.14
08-12-2025 04:104.160.19
08-12-2025 04:003.870.18
08-12-2025 03:503.630.2
08-12-2025 03:403.350.17
08-12-2025 03:303.060.14
08-12-2025 03:202.810.13
08-12-2025 03:102.610.15
08-12-2025 03:002.410.16
08-12-2025 02:502.250.19
08-12-2025 02:402.030.15
08-12-2025 02:301.870.15
08-12-2025 02:201.780.2
08-12-2025 02:101.650.19
08-12-2025 02:001.550.19
08-12-2025 01:501.40.11
08-12-2025 01:401.410.18
08-12-2025 01:301.360.16
08-12-2025 01:201.330.14
08-12-2025 01:101.310.1
08-12-2025 01:001.340.09
08-12-2025 00:501.390.09
08-12-2025 00:401.520.15
08-12-2025 00:301.540.07
08-12-2025 00:201.690.11
08-12-2025 00:101.80.09