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
17-02-2026 21:203.320.05
 Next HWNext LW
05:57, 7.62 23:56, 0.97
Date Highest 2026 Date Lowest 2026
03-02 8.22m 05-01 0.71m
Time (GMT)ElevationResidual
08-12-2025 00:001.990.12
07-12-2025 23:502.090.05
07-12-2025 23:402.290.08
07-12-2025 23:302.490.09
07-12-2025 23:202.690.08
07-12-2025 23:102.940.11
07-12-2025 23:003.190.13
07-12-2025 22:503.370.08
07-12-2025 22:403.620.09
07-12-2025 22:303.880.1
07-12-2025 22:204.130.1
07-12-2025 22:104.350.06
07-12-2025 22:004.640.1
07-12-2025 21:504.860.06
07-12-2025 21:405.160.1
07-12-2025 21:305.460.15
07-12-2025 21:205.620.07
07-12-2025 21:105.940.15
07-12-2025 21:006.160.14
07-12-2025 20:506.430.19
07-12-2025 20:406.60.15
07-12-2025 20:306.770.12
07-12-2025 20:206.920.1
07-12-2025 20:107.140.15
07-12-2025 20:007.280.15
07-12-2025 19:507.390.13
07-12-2025 19:407.530.18
07-12-2025 19:307.640.21
07-12-2025 19:207.670.18
07-12-2025 19:107.710.2
07-12-2025 19:007.690.18
07-12-2025 18:507.680.19
07-12-2025 18:407.640.2
07-12-2025 18:307.510.15
07-12-2025 18:207.510.25
07-12-2025 18:107.310.18
07-12-2025 18:007.160.18
07-12-2025 17:507.030.22
07-12-2025 17:406.860.24
07-12-2025 17:306.60.2
07-12-2025 17:206.330.15
07-12-2025 17:106.070.14
07-12-2025 17:005.860.18
07-12-2025 16:505.590.18
07-12-2025 16:405.370.23
07-12-2025 16:3050.14
07-12-2025 16:204.810.23
07-12-2025 16:104.480.19
07-12-2025 16:004.240.23
07-12-2025 15:503.990.27
07-12-2025 15:403.640.19
07-12-2025 15:303.30.12
07-12-2025 15:203.110.19
07-12-2025 15:102.840.17
07-12-2025 15:002.670.25
07-12-2025 14:502.40.2
07-12-2025 14:402.240.25
07-12-2025 14:302.050.25
07-12-2025 14:201.860.24
07-12-2025 14:101.740.28
07-12-2025 14:001.610.29
07-12-2025 13:501.460.25
07-12-2025 13:401.390.28
07-12-2025 13:301.360.32
07-12-2025 13:201.260.28
07-12-2025 13:101.210.26
07-12-2025 13:001.190.24
07-12-2025 12:501.270.3
07-12-2025 12:401.290.28
07-12-2025 12:301.340.27
07-12-2025 12:201.390.23
07-12-2025 12:101.60.34
07-12-2025 12:001.620.24
07-12-2025 11:501.810.28
07-12-2025 11:401.960.27
07-12-2025 11:302.170.31
07-12-2025 11:202.280.23
07-12-2025 11:102.60.34
07-12-2025 11:002.810.33
07-12-2025 10:503.040.34
07-12-2025 10:403.170.23
07-12-2025 10:303.420.24
07-12-2025 10:203.640.21
07-12-2025 10:103.880.18
07-12-2025 10:004.170.22
07-12-2025 09:504.380.16
07-12-2025 09:404.680.19
07-12-2025 09:304.960.2
07-12-2025 09:205.220.19
07-12-2025 09:105.50.21
07-12-2025 09:005.780.23
07-12-2025 08:506.010.2
07-12-2025 08:406.240.19
07-12-2025 08:306.480.18
07-12-2025 08:206.730.2
07-12-2025 08:106.910.17
07-12-2025 08:007.060.12
07-12-2025 07:507.280.15
07-12-2025 07:407.390.1
07-12-2025 07:307.640.2
07-12-2025 07:207.610.05
07-12-2025 07:107.830.17
07-12-2025 07:007.980.24
07-12-2025 06:507.930.14
07-12-2025 06:407.990.17
07-12-2025 06:308.010.19
07-12-2025 06:207.970.19
07-12-2025 06:107.950.22
07-12-2025 06:007.890.24
07-12-2025 05:507.740.2
07-12-2025 05:407.670.26
07-12-2025 05:307.530.28
07-12-2025 05:207.310.24
07-12-2025 05:107.150.28
07-12-2025 05:006.940.29
07-12-2025 04:506.70.29
07-12-2025 04:406.460.3
07-12-2025 04:306.150.25
07-12-2025 04:205.890.27
07-12-2025 04:105.550.21
07-12-2025 04:005.340.29
07-12-2025 03:504.940.19
07-12-2025 03:404.740.28
07-12-2025 03:304.380.22
07-12-2025 03:204.10.23
07-12-2025 03:103.780.2
07-12-2025 03:003.50.2
07-12-2025 02:503.250.23
07-12-2025 02:402.890.13
07-12-2025 02:302.710.2
07-12-2025 02:202.370.1
07-12-2025 02:102.20.15
07-12-2025 02:002.040.2
07-12-2025 01:501.860.2
07-12-2025 01:401.730.23
07-12-2025 01:301.530.19
07-12-2025 01:201.430.21
07-12-2025 01:101.280.15
07-12-2025 01:001.270.22
07-12-2025 00:501.250.26
07-12-2025 00:401.130.17
07-12-2025 00:301.150.19
07-12-2025 00:201.240.27
07-12-2025 00:101.130.11