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
15-02-2026 23:502.190.08
 Next HWNext LW
04:48, 6.92 11:05, 1.43
Date Highest 2026 Date Lowest 2026
03-02 8.22m 05-01 0.71m
Time (GMT)ElevationResidual
10-12-2025 00:004.190.19
09-12-2025 23:504.340.14
09-12-2025 23:404.650.25
09-12-2025 23:304.850.24
09-12-2025 23:205.020.21
09-12-2025 23:105.230.23
09-12-2025 23:005.40.2
09-12-2025 22:505.590.2
09-12-2025 22:405.80.22
09-12-2025 22:305.930.17
09-12-2025 22:206.20.27
09-12-2025 22:106.320.23
09-12-2025 22:006.490.26
09-12-2025 21:506.520.16
09-12-2025 21:406.70.23
09-12-2025 21:306.730.15
09-12-2025 21:206.850.19
09-12-2025 21:106.880.15
09-12-2025 21:006.950.18
09-12-2025 20:506.970.17
09-12-2025 20:407.080.28
09-12-2025 20:306.80.02
09-12-2025 20:206.940.19
09-12-2025 20:106.710.03
09-12-2025 20:006.70.09
09-12-2025 19:506.610.1
09-12-2025 19:406.50.11
09-12-2025 19:306.360.1
09-12-2025 19:206.170.07
09-12-2025 19:106.090.15
09-12-2025 19:005.90.14
09-12-2025 18:505.710.14
09-12-2025 18:405.520.16
09-12-2025 18:305.250.1
09-12-2025 18:205.080.15
09-12-2025 18:104.90.19
09-12-2025 18:004.650.18
09-12-2025 17:504.390.15
09-12-2025 17:404.240.22
09-12-2025 17:304.050.26
09-12-2025 17:203.690.12
09-12-2025 17:103.50.15
09-12-2025 17:003.340.21
09-12-2025 16:503.070.13
09-12-2025 16:402.90.16
09-12-2025 16:302.760.21
09-12-2025 16:202.580.2
09-12-2025 16:102.540.31
09-12-2025 16:002.340.25
09-12-2025 15:502.30.34
09-12-2025 15:402.280.44
09-12-2025 15:302.270.51
09-12-2025 15:202.230.56
09-12-2025 15:102.190.57
09-12-2025 15:002.180.6
09-12-2025 14:502.180.62
09-12-2025 14:402.170.61
09-12-2025 14:302.190.61
09-12-2025 14:202.280.66
09-12-2025 14:102.430.77
09-12-2025 14:002.490.76
09-12-2025 13:502.510.69
09-12-2025 13:402.630.7
09-12-2025 13:302.720.68
09-12-2025 13:202.850.68
09-12-2025 13:1030.68
09-12-2025 13:003.190.72
09-12-2025 12:503.370.73
09-12-2025 12:403.520.7
09-12-2025 12:303.60.6
09-12-2025 12:203.760.57
09-12-2025 12:104.040.65
09-12-2025 12:004.130.53
09-12-2025 11:504.330.51
09-12-2025 11:404.540.51
09-12-2025 11:304.740.49
09-12-2025 11:204.950.47
09-12-2025 11:105.170.47
09-12-2025 11:005.390.47
09-12-2025 10:505.540.39
09-12-2025 10:405.810.45
09-12-2025 10:305.990.42
09-12-2025 10:206.150.37
09-12-2025 10:106.430.45
09-12-2025 10:006.550.38
09-12-2025 09:506.860.51
09-12-2025 09:406.890.37
09-12-2025 09:307.130.45
09-12-2025 09:207.270.45
09-12-2025 09:107.390.44
09-12-2025 09:007.540.49
09-12-2025 08:507.60.46
09-12-2025 08:407.630.42
09-12-2025 08:307.760.51
09-12-2025 08:207.720.44
09-12-2025 08:107.760.48
09-12-2025 08:007.680.42
09-12-2025 07:507.680.46
09-12-2025 07:407.580.42
09-12-2025 07:307.530.46
09-12-2025 07:207.380.42
09-12-2025 07:107.240.4
09-12-2025 07:007.120.42
09-12-2025 06:5070.46
09-12-2025 06:406.770.41
09-12-2025 06:306.650.49
09-12-2025 06:206.450.5
09-12-2025 06:106.180.45
09-12-2025 06:0060.49
09-12-2025 05:505.680.41
09-12-2025 05:405.460.43
09-12-2025 05:305.250.47
09-12-2025 05:205.030.5
09-12-2025 05:104.70.42
09-12-2025 05:004.460.42
09-12-2025 04:504.230.44
09-12-2025 04:404.020.47
09-12-2025 04:303.80.48
09-12-2025 04:203.560.46
09-12-2025 04:103.230.35
09-12-2025 04:003.140.46
09-12-2025 03:502.920.43
09-12-2025 03:402.770.45
09-12-2025 03:302.60.44
09-12-2025 03:202.370.36
09-12-2025 03:102.30.42
09-12-2025 03:002.240.47
09-12-2025 02:502.030.35
09-12-2025 02:401.890.29
09-12-2025 02:302.010.45
09-12-2025 02:201.920.39
09-12-2025 02:101.870.35
09-12-2025 02:001.890.37
09-12-2025 01:501.920.38
09-12-2025 01:401.880.28
09-12-2025 01:301.970.31
09-12-2025 01:202.030.29
09-12-2025 01:102.090.25
09-12-2025 01:002.210.25
09-12-2025 00:502.390.31
09-12-2025 00:402.420.19
09-12-2025 00:302.620.23
09-12-2025 00:202.820.26
09-12-2025 00:103.080.34