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
12-12-2025 12:405.61-0
 Next HWNext LW
23:31, 5.92 17:31, 2.44
Date Highest 2025 Date Lowest 2025
05-11 8.38m 30-03 -0.05m
Time (GMT)ElevationResidual
12-11-2025 00:005.240.06
11-11-2025 23:505.50.19
11-11-2025 23:405.570.14
11-11-2025 23:305.730.17
11-11-2025 23:205.820.15
11-11-2025 23:105.910.15
11-11-2025 23:005.980.13
11-11-2025 22:506.110.17
11-11-2025 22:406.160.16
11-11-2025 22:306.230.18
11-11-2025 22:206.190.1
11-11-2025 22:106.350.24
11-11-2025 22:006.330.2
11-11-2025 21:506.320.2
11-11-2025 21:406.350.24
11-11-2025 21:306.250.17
11-11-2025 21:206.240.22
11-11-2025 21:106.250.29
11-11-2025 21:006.150.27
11-11-2025 20:506.020.23
11-11-2025 20:405.870.19
11-11-2025 20:305.860.3
11-11-2025 20:205.750.31
11-11-2025 20:105.580.27
11-11-2025 20:005.470.32
11-11-2025 19:505.260.26
11-11-2025 19:405.120.27
11-11-2025 19:305.050.37
11-11-2025 19:204.880.36
11-11-2025 19:104.70.35
11-11-2025 19:004.60.42
11-11-2025 18:504.450.44
11-11-2025 18:404.250.41
11-11-2025 18:304.060.38
11-11-2025 18:203.910.39
11-11-2025 18:103.750.39
11-11-2025 18:003.60.38
11-11-2025 17:503.490.42
11-11-2025 17:403.380.44
11-11-2025 17:303.230.42
11-11-2025 17:203.10.4
11-11-2025 17:102.930.33
11-11-2025 17:002.810.3
11-11-2025 16:502.720.29
11-11-2025 16:402.730.37
11-11-2025 16:302.630.32
11-11-2025 16:202.580.31
11-11-2025 16:102.550.3
11-11-2025 16:002.530.29
11-11-2025 15:502.520.28
11-11-2025 15:402.560.3
11-11-2025 15:302.540.25
11-11-2025 15:202.590.26
11-11-2025 15:102.640.26
11-11-2025 15:002.720.27
11-11-2025 14:502.780.26
11-11-2025 14:402.860.24
11-11-2025 14:302.910.2
11-11-2025 14:203.040.23
11-11-2025 14:103.160.23
11-11-2025 14:003.250.2
11-11-2025 13:503.410.23
11-11-2025 13:403.480.16
11-11-2025 13:303.650.18
11-11-2025 13:203.80.19
11-11-2025 13:103.940.17
11-11-2025 13:004.120.2
11-11-2025 12:504.20.12
11-11-2025 12:404.380.13
11-11-2025 12:304.560.14
11-11-2025 12:204.70.11
11-11-2025 12:104.850.1
11-11-2025 12:005.040.12
11-11-2025 11:505.150.06
11-11-2025 11:405.370.12
11-11-2025 11:305.560.15
11-11-2025 11:205.720.15
11-11-2025 11:105.810.1
11-11-2025 11:005.90.05
11-11-2025 10:506.080.09
11-11-2025 10:406.270.17
11-11-2025 10:306.350.13
11-11-2025 10:206.40.08
11-11-2025 10:106.530.13
11-11-2025 10:006.60.12
11-11-2025 09:506.730.19
11-11-2025 09:406.70.12
11-11-2025 09:306.830.22
11-11-2025 09:206.770.16
11-11-2025 09:106.820.21
11-11-2025 09:006.810.23
11-11-2025 08:506.790.25
11-11-2025 08:406.680.2
11-11-2025 08:306.640.23
11-11-2025 08:206.520.2
11-11-2025 08:106.450.23
11-11-2025 08:006.330.23
11-11-2025 07:506.210.24
11-11-2025 07:406.090.26
11-11-2025 07:305.90.22
11-11-2025 07:205.780.27
11-11-2025 07:105.640.29
11-11-2025 07:005.420.25
11-11-2025 06:505.310.33
11-11-2025 06:405.110.31
11-11-2025 06:304.850.24
11-11-2025 06:204.710.29
11-11-2025 06:104.50.27
11-11-2025 06:004.320.28
11-11-2025 05:504.150.3
11-11-2025 05:403.90.23
11-11-2025 05:303.770.27
11-11-2025 05:203.560.23
11-11-2025 05:103.40.24
11-11-2025 05:003.250.24
11-11-2025 04:503.050.19
11-11-2025 04:402.970.23
11-11-2025 04:302.830.22
11-11-2025 04:202.740.23
11-11-2025 04:102.640.22
11-11-2025 04:002.490.16
11-11-2025 03:502.480.21
11-11-2025 03:402.410.19
11-11-2025 03:302.40.22
11-11-2025 03:202.350.18
11-11-2025 03:102.330.17
11-11-2025 03:002.30.12
11-11-2025 02:502.330.13
11-11-2025 02:402.350.12
11-11-2025 02:302.450.17
11-11-2025 02:202.470.12
11-11-2025 02:102.610.19
11-11-2025 02:002.680.16
11-11-2025 01:502.730.11
11-11-2025 01:402.820.1
11-11-2025 01:302.930.08
11-11-2025 01:203.010.03
11-11-2025 01:103.210.09
11-11-2025 01:003.360.1
11-11-2025 00:503.460.04
11-11-2025 00:403.610.03
11-11-2025 00:303.75-0.01
11-11-2025 00:203.960.03
11-11-2025 00:104.160.06