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
07-09-2026 14:406.08-0.01
 Next HWNext LW
02:47, 6.29 20:40, 2.17
Date Highest 2026 Date Lowest 2026
03-02 8.22m 19-04 0.29m
Time (GMT)ElevationResidual
07-12-2025 00:001.310.22
06-12-2025 23:501.420.25
06-12-2025 23:401.390.11
06-12-2025 23:301.460.05
06-12-2025 23:201.690.14
06-12-2025 23:101.840.12
06-12-2025 23:002.010.11
06-12-2025 22:502.220.12
06-12-2025 22:402.440.13
06-12-2025 22:302.660.13
06-12-2025 22:202.880.11
06-12-2025 22:103.170.16
06-12-2025 22:003.420.16
06-12-2025 21:503.690.16
06-12-2025 21:403.850.06
06-12-2025 21:304.220.16
06-12-2025 21:204.350.02
06-12-2025 21:104.720.12
06-12-2025 21:004.980.1
06-12-2025 20:505.180.02
06-12-2025 20:405.490.07
06-12-2025 20:305.850.17
06-12-2025 20:205.940
06-12-2025 20:106.260.08
06-12-2025 20:006.510.09
06-12-2025 19:506.720.09
06-12-2025 19:406.920.07
06-12-2025 19:306.98-0.05
06-12-2025 19:207.290.09
06-12-2025 19:107.31-0.04
06-12-2025 19:007.630.15
06-12-2025 18:507.620.04
06-12-2025 18:407.710.05
06-12-2025 18:307.6-0.11
06-12-2025 18:207.67-0.08
06-12-2025 18:107.850.11
06-12-2025 18:007.770.06
06-12-2025 17:507.690.03
06-12-2025 17:407.60.02
06-12-2025 17:307.580.12
06-12-2025 17:207.370.04
06-12-2025 17:107.240.07
06-12-2025 17:007.080.1
06-12-2025 16:506.840.06
06-12-2025 16:406.590.04
06-12-2025 16:306.28-0.04
06-12-2025 16:206.180.12
06-12-2025 16:105.880.1
06-12-2025 16:005.60.09
06-12-2025 15:505.230.01
06-12-2025 15:404.92-0.01
06-12-2025 15:304.80.18
06-12-2025 15:204.390.07
06-12-2025 15:104.210.19
06-12-2025 15:003.90.17
06-12-2025 14:503.720.28
06-12-2025 14:403.40.24
06-12-2025 14:303.060.18
06-12-2025 14:202.830.21
06-12-2025 14:102.580.22
06-12-2025 14:002.20.08
06-12-2025 13:502.050.15
06-12-2025 13:402.040.34
06-12-2025 13:301.740.23
06-12-2025 13:201.440.1
06-12-2025 13:101.440.24
06-12-2025 13:001.350.28
06-12-2025 12:501.30.32
06-12-2025 12:401.130.24
06-12-2025 12:301.10.26
06-12-2025 12:201.10.29
06-12-2025 12:101.120.31
06-12-2025 12:001.160.33
06-12-2025 11:501.250.38
06-12-2025 11:401.20.27
06-12-2025 11:301.330.31
06-12-2025 11:201.450.32
06-12-2025 11:101.550.29
06-12-2025 11:001.650.24
06-12-2025 10:501.790.21
06-12-2025 10:402.190.43
06-12-2025 10:302.250.29
06-12-2025 10:202.50.33
06-12-2025 10:102.70.3
06-12-2025 10:003.030.4
06-12-2025 09:503.030.15
06-12-2025 09:403.320.19
06-12-2025 09:303.640.24
06-12-2025 09:203.820.15
06-12-2025 09:104.160.22
06-12-2025 09:004.520.31
06-12-2025 08:504.810.32
06-12-2025 08:405.030.26
06-12-2025 08:305.210.16
06-12-2025 08:205.520.2
06-12-2025 08:105.710.11
06-12-2025 08:006.020.16
06-12-2025 07:506.30.18
06-12-2025 07:406.490.13
06-12-2025 07:306.920.33
06-12-2025 07:207.020.21
06-12-2025 07:107.210.18
06-12-2025 07:007.330.12
06-12-2025 06:507.610.22
06-12-2025 06:407.680.15
06-12-2025 06:307.860.21
06-12-2025 06:207.820.06
06-12-2025 06:107.970.14
06-12-2025 06:008.020.14
06-12-2025 05:508.030.13
06-12-2025 05:408.050.16
06-12-2025 05:308.030.17
06-12-2025 05:207.990.19
06-12-2025 05:108.050.34
06-12-2025 05:007.80.21
06-12-2025 04:507.690.24
06-12-2025 04:407.540.25
06-12-2025 04:307.430.33
06-12-2025 04:207.190.31
06-12-2025 04:106.980.32
06-12-2025 04:006.70.29
06-12-2025 03:506.50.35
06-12-2025 03:406.130.26
06-12-2025 03:305.90.31
06-12-2025 03:205.650.35
06-12-2025 03:105.350.35
06-12-2025 03:005.050.36
06-12-2025 02:504.780.39
06-12-2025 02:404.490.41
06-12-2025 02:304.210.42
06-12-2025 02:203.880.39
06-12-2025 02:103.640.44
06-12-2025 02:003.340.42
06-12-2025 01:503.110.46
06-12-2025 01:402.910.51
06-12-2025 01:302.660.5
06-12-2025 01:202.40.47
06-12-2025 01:102.220.5
06-12-2025 01:002.010.47
06-12-2025 00:501.80.44
06-12-2025 00:401.650.43
06-12-2025 00:301.460.36
06-12-2025 00:201.480.48
06-12-2025 00:101.360.44