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
14-02-2026 13:505.120.04
 Next HWNext LW
15:51, 5.97 22:04, 2.2
Date Highest 2026 Date Lowest 2026
03-02 8.22m 05-01 0.71m
Time (GMT)ElevationResidual
12-12-2025 00:005.620.06
11-12-2025 23:505.730.06
11-12-2025 23:405.870.1
11-12-2025 23:306.020.16
11-12-2025 23:206.060.13
11-12-2025 23:106.160.16
11-12-2025 23:006.270.22
11-12-2025 22:506.340.25
11-12-2025 22:406.290.18
11-12-2025 22:306.280.17
11-12-2025 22:206.260.16
11-12-2025 22:106.270.18
11-12-2025 22:006.270.22
11-12-2025 21:506.150.16
11-12-2025 21:406.160.23
11-12-2025 21:306.020.17
11-12-2025 21:205.950.2
11-12-2025 21:105.820.18
11-12-2025 21:005.70.18
11-12-2025 20:505.590.2
11-12-2025 20:405.420.16
11-12-2025 20:305.320.22
11-12-2025 20:205.130.19
11-12-2025 20:1050.22
11-12-2025 20:004.860.25
11-12-2025 19:504.590.14
11-12-2025 19:404.420.14
11-12-2025 19:304.270.16
11-12-2025 19:204.130.19
11-12-2025 19:104.030.26
11-12-2025 19:003.860.26
11-12-2025 18:503.610.17
11-12-2025 18:403.50.21
11-12-2025 18:303.390.24
11-12-2025 18:203.290.28
11-12-2025 18:103.040.17
11-12-2025 18:002.990.24
11-12-2025 17:502.850.21
11-12-2025 17:402.760.21
11-12-2025 17:302.60.14
11-12-2025 17:202.560.17
11-12-2025 17:102.470.14
11-12-2025 17:002.40.12
11-12-2025 16:502.360.11
11-12-2025 16:402.340.11
11-12-2025 16:302.320.09
11-12-2025 16:202.320.09
11-12-2025 16:102.340.08
11-12-2025 16:002.330.04
11-12-2025 15:502.410.07
11-12-2025 15:402.540.13
11-12-2025 15:302.60.12
11-12-2025 15:202.660.1
11-12-2025 15:102.740.09
11-12-2025 15:002.850.09
11-12-2025 14:502.970.1
11-12-2025 14:403.070.07
11-12-2025 14:303.20.08
11-12-2025 14:203.290.03
11-12-2025 14:103.430.03
11-12-2025 14:003.60.05
11-12-2025 13:503.750.04
11-12-2025 13:403.920.05
11-12-2025 13:304.10.07
11-12-2025 13:204.19-0.01
11-12-2025 13:104.40.03
11-12-2025 13:004.60.06
11-12-2025 12:504.780.07
11-12-2025 12:404.950.07
11-12-2025 12:305.160.12
11-12-2025 12:205.240.03
11-12-2025 12:105.460.09
11-12-2025 12:005.640.11
11-12-2025 11:505.820.15
11-12-2025 11:405.920.1
11-12-2025 11:306.130.19
11-12-2025 11:206.230.16
11-12-2025 11:106.360.18
11-12-2025 11:006.450.16
11-12-2025 10:506.530.16
11-12-2025 10:406.670.23
11-12-2025 10:306.740.24
11-12-2025 10:206.790.25
11-12-2025 10:106.820.25
11-12-2025 10:006.790.21
11-12-2025 09:506.770.2
11-12-2025 09:406.780.22
11-12-2025 09:306.720.2
11-12-2025 09:206.660.2
11-12-2025 09:106.610.23
11-12-2025 09:006.470.17
11-12-2025 08:506.460.26
11-12-2025 08:406.260.18
11-12-2025 08:306.110.16
11-12-2025 08:205.950.13
11-12-2025 08:105.820.16
11-12-2025 08:005.730.22
11-12-2025 07:505.450.11
11-12-2025 07:405.380.22
11-12-2025 07:305.080.1
11-12-2025 07:204.90.1
11-12-2025 07:104.730.11
11-12-2025 07:004.590.17
11-12-2025 06:504.430.19
11-12-2025 06:404.230.17
11-12-2025 06:3040.13
11-12-2025 06:203.880.19
11-12-2025 06:103.590.08
11-12-2025 06:003.470.12
11-12-2025 05:503.30.11
11-12-2025 05:403.130.09
11-12-2025 05:302.90.01
11-12-2025 05:202.870.11
11-12-2025 05:102.680.04
11-12-2025 05:002.560.03
11-12-2025 04:502.570.12
11-12-2025 04:402.450.09
11-12-2025 04:302.430.13
11-12-2025 04:202.370.12
11-12-2025 04:102.290.08
11-12-2025 04:002.270.08
11-12-2025 03:502.260.08
11-12-2025 03:402.230.04
11-12-2025 03:302.290.08
11-12-2025 03:202.340.09
11-12-2025 03:102.340.04
11-12-2025 03:002.420.05
11-12-2025 02:502.480.04
11-12-2025 02:402.560.04
11-12-2025 02:302.650.04
11-12-2025 02:202.850.13
11-12-2025 02:102.90.06
11-12-2025 02:003.010.04
11-12-2025 01:503.08-0.02
11-12-2025 01:403.250.01
11-12-2025 01:303.39-0.01
11-12-2025 01:203.52-0.03
11-12-2025 01:103.68-0.03
11-12-2025 01:003.82-0.05
11-12-2025 00:503.97-0.07
11-12-2025 00:404.18-0.03
11-12-2025 00:304.3-0.09
11-12-2025 00:204.43-0.14
11-12-2025 00:104.66-0.08