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
10-12-2025 18:103.58-0.03
 Next HWNext LW
21:34, 6.43 03:51, 2.18
Date Highest 2025 Date Lowest 2025
05-11 8.38m 30-03 -0.05m
Time (GMT)ElevationResidual
10-12-2025 18:103.58-0.03
10-12-2025 18:003.39-0.03
10-12-2025 17:503.17-0.07
10-12-2025 17:403-0.07
10-12-2025 17:302.82-0.08
10-12-2025 17:202.72-0.02
10-12-2025 17:102.54-0.06
10-12-2025 17:002.36-0.11
10-12-2025 16:502.19-0.15
10-12-2025 16:402.13-0.11
10-12-2025 16:302.05-0.09
10-12-2025 16:201.88-0.18
10-12-2025 16:101.88-0.13
10-12-2025 16:001.8-0.15
10-12-2025 15:501.8-0.13
10-12-2025 15:401.82-0.1
10-12-2025 15:301.74-0.18
10-12-2025 15:201.73-0.2
10-12-2025 15:101.86-0.11
10-12-2025 15:001.83-0.19
10-12-2025 14:501.84-0.24
10-12-2025 14:402.07-0.08
10-12-2025 14:302.05-0.2
10-12-2025 14:202.19-0.17
10-12-2025 14:102.35-0.12
10-12-2025 14:002.51-0.09
10-12-2025 13:502.57-0.16
10-12-2025 13:402.72-0.15
10-12-2025 13:302.96-0.07
10-12-2025 13:203.1-0.1
10-12-2025 13:103.23-0.14
10-12-2025 13:003.37-0.17
10-12-2025 12:503.6-0.13
10-12-2025 12:403.81-0.1
10-12-2025 12:303.99-0.11
10-12-2025 12:204.25-0.05
10-12-2025 12:104.4-0.1
10-12-2025 12:004.66-0.03
10-12-2025 11:504.86-0.02
10-12-2025 11:405.05-0.03
10-12-2025 11:305.19-0.08
10-12-2025 11:205.460.01
10-12-2025 11:105.61-0.03
10-12-2025 11:005.75-0.06
10-12-2025 10:505.97-0.01
10-12-2025 10:406.12-0.01
10-12-2025 10:306.26-0.02
10-12-2025 10:206.39-0.02
10-12-2025 10:106.5-0.04
10-12-2025 10:006.660.02
10-12-2025 09:506.760.03
10-12-2025 09:206.920.02
10-12-2025 09:106.960.04
10-12-2025 09:006.91-0.02
10-12-2025 08:506.960.05
10-12-2025 08:406.90.03
10-12-2025 08:306.830.02
10-12-2025 08:206.830.09
10-12-2025 08:106.720.08
10-12-2025 08:006.44-0.09
10-12-2025 07:506.410.01
10-12-2025 07:406.30.04
10-12-2025 07:306.09-0.01
10-12-2025 07:205.91-0.03
10-12-2025 07:105.69-0.06
10-12-2025 07:005.55-0.01
10-12-2025 06:505.33-0.03
10-12-2025 06:405.11-0.04
10-12-2025 06:304.93-0.01
10-12-2025 06:204.67-0.06
10-12-2025 06:104.520.01
10-12-2025 06:004.320.02
10-12-2025 05:504.07-0.01
10-12-2025 05:403.86-0
10-12-2025 05:303.65-0.01
10-12-2025 05:203.43-0.03
10-12-2025 05:103.270.02
10-12-2025 05:003.05-0.02
10-12-2025 04:502.940.06
10-12-2025 04:402.67-0.05
10-12-2025 04:302.53-0.03
10-12-2025 04:202.450.03
10-12-2025 04:102.340.04
10-12-2025 04:002.190.01
10-12-2025 03:502.190.1
10-12-2025 03:402.090.08
10-12-2025 03:302.030.08
10-12-2025 03:201.910.01
10-12-2025 03:101.920.05
10-12-2025 03:001.970.11
10-12-2025 02:501.990.12
10-12-2025 02:402.040.15
10-12-2025 02:302.080.15
10-12-2025 02:202.120.14
10-12-2025 02:102.260.21
10-12-2025 02:002.40.27
10-12-2025 01:502.520.29
10-12-2025 01:402.590.25
10-12-2025 01:302.740.27
10-12-2025 01:202.880.28
10-12-2025 01:103.020.27
10-12-2025 01:003.180.28
10-12-2025 00:503.420.36
10-12-2025 00:403.560.32
10-12-2025 00:303.730.31
10-12-2025 00:203.850.25
10-12-2025 00:104.050.24
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
09-12-2025 00:003.110.18
08-12-2025 23:503.380.25
08-12-2025 23:403.470.13
08-12-2025 23:303.730.18
08-12-2025 23:203.910.14
08-12-2025 23:104.210.21
08-12-2025 23:004.420.19
08-12-2025 22:504.620.16
08-12-2025 22:404.890.2
08-12-2025 22:305.110.19
08-12-2025 22:205.380.22
08-12-2025 22:105.510.14
08-12-2025 22:005.870.27
08-12-2025 21:505.990.18
08-12-2025 21:406.150.15
08-12-2025 21:306.390.19
08-12-2025 21:206.530.15
08-12-2025 21:106.770.23
08-12-2025 21:006.910.22
08-12-2025 20:506.960.14
08-12-2025 20:407.170.23
08-12-2025 20:307.190.16
08-12-2025 20:207.280.18
08-12-2025 20:107.370.22
08-12-2025 20:007.330.15
08-12-2025 19:507.330.16
08-12-2025 19:407.40.24
08-12-2025 19:307.320.21
08-12-2025 19:207.220.17
08-12-2025 19:107.170.22
08-12-2025 19:0070.15
08-12-2025 18:506.890.18
08-12-2025 18:406.720.17
08-12-2025 18:306.60.22
08-12-2025 18:206.320.13
08-12-2025 18:106.090.1