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

 


Latest Tide Data (Predicted Tide Table)

Time (GMT)ElevationResidual
11-11-2025 08:106.450.23
 Next HWNext LW
09:19, 6.61 15:57, 2.24
Date Highest 2025 Date Lowest 2025
05-11 8.38m 30-03 -0.05m
Time (GMT)ElevationResidual
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
11-11-2025 00:004.28-0
10-11-2025 23:504.490.02
10-11-2025 23:404.660.01
10-11-2025 23:304.860.03
10-11-2025 23:205.030.02
10-11-2025 23:105.20.01
10-11-2025 23:005.380.02
10-11-2025 22:505.540
10-11-2025 22:405.740.04
10-11-2025 22:305.8-0.04
10-11-2025 22:206.050.06
10-11-2025 22:106.120.01
10-11-2025 22:006.30.07
10-11-2025 21:506.370.03
10-11-2025 21:406.450.02
10-11-2025 21:306.48-0.02
10-11-2025 21:206.620.07
10-11-2025 21:106.60.01
10-11-2025 21:006.680.07
10-11-2025 20:506.670.06
10-11-2025 20:406.640.05
10-11-2025 20:306.640.09
10-11-2025 20:206.550.06
10-11-2025 20:106.50.09
10-11-2025 20:006.450.13
10-11-2025 19:506.30.09
10-11-2025 19:406.210.12
10-11-2025 19:306.110.16
10-11-2025 19:205.940.14
10-11-2025 19:105.790.16
10-11-2025 19:005.590.14
10-11-2025 18:505.420.15
10-11-2025 18:405.260.19
10-11-2025 18:305.040.17
10-11-2025 18:204.820.15
10-11-2025 18:104.640.18
10-11-2025 18:004.40.15
10-11-2025 17:504.240.19
10-11-2025 17:404.080.24
10-11-2025 17:303.810.17
10-11-2025 17:203.690.25
10-11-2025 17:103.440.19
10-11-2025 17:003.280.22
10-11-2025 16:503.080.2
10-11-2025 16:402.940.22
10-11-2025 16:302.730.18
10-11-2025 16:202.560.14
10-11-2025 16:102.460.17
10-11-2025 16:002.350.18
10-11-2025 15:502.270.2
10-11-2025 15:402.130.15
10-11-2025 15:302.040.13
10-11-2025 15:202.010.15
10-11-2025 15:1020.18
10-11-2025 15:002.010.21
10-11-2025 14:501.990.19
10-11-2025 14:401.90.08
10-11-2025 14:301.990.15
10-11-2025 14:201.970.08
10-11-2025 14:102.070.12
10-11-2025 14:002.130.11
10-11-2025 13:502.230.12
10-11-2025 13:402.30.09
10-11-2025 13:302.380.06
10-11-2025 13:202.570.12
10-11-2025 13:102.680.09
10-11-2025 13:002.840.11
10-11-2025 12:502.950.06
10-11-2025 12:403.150.09
10-11-2025 12:303.330.1
10-11-2025 12:203.50.08
10-11-2025 12:103.680.08
10-11-2025 12:003.880.08
10-11-2025 11:504.030.03
10-11-2025 11:404.270.07
10-11-2025 11:304.510.11
10-11-2025 11:204.710.09
10-11-2025 11:104.980.15
10-11-2025 11:005.110.08
10-11-2025 10:505.350.12
10-11-2025 10:405.570.13
10-11-2025 10:305.750.12
10-11-2025 10:205.890.07
10-11-2025 10:106.140.13
10-11-2025 10:006.30.12
10-11-2025 09:506.490.15
10-11-2025 09:406.60.11
10-11-2025 09:306.730.1
10-11-2025 09:206.80.05
10-11-2025 09:107.10.25
10-11-2025 09:007.060.12
10-11-2025 08:507.140.13
10-11-2025 08:407.230.18
10-11-2025 08:307.280.2
10-11-2025 08:207.260.18
10-11-2025 08:107.230.16
10-11-2025 08:007.090.05
10-11-2025 07:507.090.1
10-11-2025 07:407.080.17
10-11-2025 07:306.960.15
10-11-2025 07:206.820.12
10-11-2025 07:106.780.21
10-11-2025 07:006.540.12
10-11-2025 06:506.440.19
10-11-2025 06:406.230.15
10-11-2025 06:306.090.21
10-11-2025 06:205.850.17
10-11-2025 06:105.670.2
10-11-2025 06:005.480.23
10-11-2025 05:505.270.25
10-11-2025 05:4050.2
10-11-2025 05:304.750.19
10-11-2025 05:204.510.18
10-11-2025 05:104.230.13
10-11-2025 05:004.080.21
10-11-2025 04:503.780.14
10-11-2025 04:403.570.16
10-11-2025 04:303.360.15
10-11-2025 04:203.150.15
10-11-2025 04:103.010.21
10-11-2025 04:002.820.19
10-11-2025 03:502.620.17
10-11-2025 03:402.440.15
10-11-2025 03:302.260.11
10-11-2025 03:202.220.19
10-11-2025 03:101.990.06
10-11-2025 03:001.980.14
10-11-2025 02:501.930.16
10-11-2025 02:401.940.22
10-11-2025 02:301.810.13
10-11-2025 02:201.890.22
10-11-2025 02:101.810.14
10-11-2025 02:001.850.17
10-11-2025 01:501.890.16
10-11-2025 01:401.980.2
10-11-2025 01:302.020.17
10-11-2025 01:202.070.13
10-11-2025 01:102.190.15
10-11-2025 01:002.280.12
10-11-2025 00:502.390.1
10-11-2025 00:402.520.08
10-11-2025 00:302.780.18
10-11-2025 00:202.930.16
10-11-2025 00:103.10.15
10-11-2025 00:003.310.17
09-11-2025 23:503.450.11
09-11-2025 23:403.670.12
09-11-2025 23:303.910.15
09-11-2025 23:204.120.14
09-11-2025 23:104.290.09
09-11-2025 23:004.620.19
09-11-2025 22:504.790.14
09-11-2025 22:405.010.14
09-11-2025 22:305.220.12
09-11-2025 22:205.480.16
09-11-2025 22:105.610.07
09-11-2025 22:005.870.12
09-11-2025 21:506.020.07
09-11-2025 21:406.270.13
09-11-2025 21:306.390.07
09-11-2025 21:206.580.1
09-11-2025 21:106.660.02
09-11-2025 21:006.830.06
09-11-2025 20:5070.12
09-11-2025 20:407.080.1
09-11-2025 20:307.130.08
09-11-2025 20:207.240.13
09-11-2025 20:107.280.13
09-11-2025 20:007.280.13
09-11-2025 19:507.220.08
09-11-2025 19:407.220.12
09-11-2025 19:307.180.13
09-11-2025 19:207.080.11
09-11-2025 19:107.050.19
09-11-2025 19:006.890.15
09-11-2025 18:506.70.11
09-11-2025 18:406.580.15
09-11-2025 18:306.40.15
09-11-2025 18:206.210.15
09-11-2025 18:106.080.23
09-11-2025 18:005.750.12
09-11-2025 17:505.610.21
09-11-2025 17:405.310.15
09-11-2025 17:305.120.21
09-11-2025 17:204.830.17
09-11-2025 17:104.610.2
09-11-2025 17:004.390.23
09-11-2025 16:504.090.19
09-11-2025 16:403.910.25
09-11-2025 16:303.670.25
09-11-2025 16:203.380.2
09-11-2025 16:103.190.24
09-11-2025 16:002.940.21
09-11-2025 15:502.790.26
09-11-2025 15:402.510.18
09-11-2025 15:302.390.25
09-11-2025 15:202.220.24
09-11-2025 15:102.050.22
09-11-2025 15:001.940.24
09-11-2025 14:501.780.2
09-11-2025 14:401.730.24
09-11-2025 14:301.570.16
09-11-2025 14:201.590.23
09-11-2025 14:101.490.16
09-11-2025 14:001.460.15
09-11-2025 13:501.510.19
09-11-2025 13:401.490.15
09-11-2025 13:301.550.16
09-11-2025 13:201.540.1
09-11-2025 13:101.690.16
09-11-2025 13:001.740.11
09-11-2025 12:501.910.17
09-11-2025 12:402.010.14
09-11-2025 12:302.170.15
09-11-2025 12:202.340.17
09-11-2025 12:102.50.15
09-11-2025 12:002.670.14
09-11-2025 11:502.890.15
09-11-2025 11:403.070.13
09-11-2025 11:303.260.11
09-11-2025 11:203.470.09
09-11-2025 11:103.730.12
09-11-2025 11:003.930.08
09-11-2025 10:504.150.06
09-11-2025 10:404.450.12
09-11-2025 10:304.690.1
09-11-2025 10:204.890.06
09-11-2025 10:105.150.07
09-11-2025 10:005.380.06
09-11-2025 09:505.640.07
09-11-2025 09:405.840.04
09-11-2025 09:306.070.04
09-11-2025 09:206.270.02
09-11-2025 09:106.510.06
09-11-2025 09:006.670.03
09-11-2025 08:506.870.04
09-11-2025 08:407.040.05
09-11-2025 08:307.170.03
09-11-2025 08:207.310.05
09-11-2025 08:107.420.06