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
11-03-2026 01:103.62-0.04
 Next HWNext LW
09:49, 5.67 03:38, 2.55
Date Highest 2026 Date Lowest 2026
03-02 8.22m 20-02 0.5m
Time (GMT)ElevationResidual
11-03-2026 01:103.62-0.04
11-03-2026 01:003.75-0.04
11-03-2026 00:503.9-0.04
11-03-2026 00:404.01-0.07
11-03-2026 00:304.16-0.05
11-03-2026 00:204.3-0.06
11-03-2026 00:104.48-0.02
11-03-2026 00:004.6-0.05
10-03-2026 23:504.76-0.03
10-03-2026 23:404.930.01
10-03-2026 23:305.060.01
10-03-2026 23:205.180
10-03-2026 23:105.30.01
10-03-2026 23:005.410
10-03-2026 22:505.510
10-03-2026 22:405.620.01
10-03-2026 22:305.750.06
10-03-2026 22:205.820.06
10-03-2026 22:105.860.03
10-03-2026 22:005.960.09
10-03-2026 21:505.960.05
10-03-2026 21:406.020.09
10-03-2026 21:306.040.1
10-03-2026 21:206.030.09
10-03-2026 21:106.040.12
10-03-2026 21:006.020.13
10-03-2026 20:505.950.1
10-03-2026 20:405.930.13
10-03-2026 20:305.860.14
10-03-2026 20:205.770.12
10-03-2026 20:105.660.1
10-03-2026 20:005.560.11
10-03-2026 19:505.450.1
10-03-2026 19:405.350.12
10-03-2026 19:305.250.14
10-03-2026 19:205.10.13
10-03-2026 19:104.960.12
10-03-2026 19:004.820.13
10-03-2026 18:504.680.14
10-03-2026 18:404.530.13
10-03-2026 18:304.390.15
10-03-2026 18:204.260.17
10-03-2026 18:104.080.13
10-03-2026 18:003.930.14
10-03-2026 17:503.760.12
10-03-2026 17:403.660.15
10-03-2026 17:303.490.12
10-03-2026 17:203.340.1
10-03-2026 17:103.230.12
10-03-2026 17:003.090.09
10-03-2026 16:502.980.09
10-03-2026 16:402.910.12
10-03-2026 16:302.750.05
10-03-2026 16:202.690.07
10-03-2026 16:102.640.09
10-03-2026 16:002.580.1
10-03-2026 15:502.50.06
10-03-2026 15:402.450.05
10-03-2026 15:302.440.07
10-03-2026 15:202.440.08
10-03-2026 15:102.410.05
10-03-2026 15:002.460.09
10-03-2026 14:502.470.09
10-03-2026 14:402.480.06
10-03-2026 14:302.530.07
10-03-2026 14:202.590.06
10-03-2026 14:102.620.03
10-03-2026 14:002.720.04
10-03-2026 13:502.80.02
10-03-2026 13:402.880.01
10-03-2026 13:302.98-0.01
10-03-2026 13:203.09-0.03
10-03-2026 13:103.21-0.04
10-03-2026 13:003.33-0.06
10-03-2026 12:503.46-0.07
10-03-2026 12:403.59-0.09
10-03-2026 12:303.77-0.07
10-03-2026 12:203.89-0.11
10-03-2026 12:104.05-0.11
10-03-2026 12:004.21-0.12
10-03-2026 11:504.37-0.12
10-03-2026 11:404.56-0.1
10-03-2026 11:304.73-0.09
10-03-2026 11:204.83-0.14
10-03-2026 11:104.99-0.13
10-03-2026 11:005.17-0.1
10-03-2026 10:505.33-0.07
10-03-2026 10:405.44-0.1
10-03-2026 10:305.56-0.09
10-03-2026 10:205.67-0.09
10-03-2026 10:105.79-0.08
10-03-2026 10:005.87-0.08
10-03-2026 09:505.96-0.07
10-03-2026 09:405.99-0.09
10-03-2026 09:306.08-0.04
10-03-2026 09:206.1-0.05
10-03-2026 09:106.12-0.04
10-03-2026 09:006.14-0.03
10-03-2026 08:506.13-0.02
10-03-2026 08:406.08-0.03
10-03-2026 08:306.06-0.01
10-03-2026 08:206.010.01
10-03-2026 08:105.89-0.04
10-03-2026 08:005.83-0.01
10-03-2026 07:505.740
10-03-2026 07:405.59-0.03
10-03-2026 07:305.47-0.03
10-03-2026 07:205.35-0
10-03-2026 07:105.2-0.01
10-03-2026 07:005.04-0.02
10-03-2026 06:504.9-0
10-03-2026 06:404.73-0
10-03-2026 06:304.57-0
10-03-2026 06:204.440.04
10-03-2026 06:104.250.03
10-03-2026 06:004.05-0
10-03-2026 05:503.890.02
10-03-2026 05:403.710.01
10-03-2026 05:303.550.02
10-03-2026 05:203.410.04
10-03-2026 05:103.250.03
10-03-2026 05:003.090.03
10-03-2026 04:502.960.04
10-03-2026 04:402.80.01
10-03-2026 04:302.690.03
10-03-2026 04:202.55-0
10-03-2026 04:102.460.01
10-03-2026 04:002.35-0.01
10-03-2026 03:502.290.02
10-03-2026 03:402.230.02
10-03-2026 03:302.170.01
10-03-2026 03:202.12-0
10-03-2026 03:102.07-0.02
10-03-2026 03:002.07-0.01
10-03-2026 02:502.08-0.01
10-03-2026 02:402.08-0.02
10-03-2026 02:302.09-0.03
10-03-2026 02:202.11-0.06
10-03-2026 02:102.16-0.07
10-03-2026 02:002.24-0.06
10-03-2026 01:502.33-0.05
10-03-2026 01:402.42-0.06
10-03-2026 01:302.52-0.08
10-03-2026 01:202.64-0.08
10-03-2026 01:102.76-0.09
10-03-2026 01:002.87-0.12
10-03-2026 00:503.03-0.12
10-03-2026 00:403.18-0.13
10-03-2026 00:303.35-0.13
10-03-2026 00:203.49-0.16
10-03-2026 00:103.67-0.16
10-03-2026 00:003.87-0.14
09-03-2026 23:504.05-0.15
09-03-2026 23:404.22-0.17
09-03-2026 23:304.42-0.14
09-03-2026 23:204.63-0.12
09-03-2026 23:104.78-0.15
09-03-2026 23:004.99-0.11
09-03-2026 22:505.18-0.09
09-03-2026 22:405.34-0.1
09-03-2026 22:305.49-0.09
09-03-2026 22:205.66-0.07
09-03-2026 22:105.77-0.09
09-03-2026 22:005.89-0.09
09-03-2026 21:506.01-0.08
09-03-2026 21:406.15-0.03
09-03-2026 21:306.19-0.07
09-03-2026 21:206.29-0.02
09-03-2026 21:106.31-0.05
09-03-2026 21:006.32-0.07
09-03-2026 20:506.37-0.03
09-03-2026 20:406.34-0.05
09-03-2026 20:306.31-0.06
09-03-2026 20:206.29-0.04
09-03-2026 20:106.25-0.03
09-03-2026 20:006.20
09-03-2026 19:506.08-0.03
09-03-2026 19:406.020.02
09-03-2026 19:305.84-0.04
09-03-2026 19:205.73-0.02
09-03-2026 19:105.58-0.03
09-03-2026 19:005.39-0.07
09-03-2026 18:505.24-0.06
09-03-2026 18:405.06-0.07
09-03-2026 18:304.92-0.02
09-03-2026 18:204.72-0.03
09-03-2026 18:104.56-0.01
09-03-2026 18:004.34-0.04
09-03-2026 17:504.16-0.03
09-03-2026 17:403.95-0.04
09-03-2026 17:303.78-0.03
09-03-2026 17:203.6-0.02
09-03-2026 17:103.39-0.05
09-03-2026 17:003.23-0.03
09-03-2026 16:503.06-0.02
09-03-2026 16:402.9-0.03
09-03-2026 16:302.7-0.08
09-03-2026 16:202.57-0.06
09-03-2026 16:102.46-0.03
09-03-2026 16:002.34-0.04
09-03-2026 15:502.24-0.03
09-03-2026 15:402.14-0.04
09-03-2026 15:302.03-0.06
09-03-2026 15:202.01-0.02
09-03-2026 15:101.93-0.04
09-03-2026 15:001.88-0.05
09-03-2026 14:501.88-0.03
09-03-2026 14:401.84-0.06
09-03-2026 14:301.86-0.04
09-03-2026 14:201.88-0.04
09-03-2026 14:101.91-0.05
09-03-2026 14:001.98-0.04
09-03-2026 13:502.05-0.03
09-03-2026 13:402.13-0.04
09-03-2026 13:302.23-0.03
09-03-2026 13:202.35-0.02
09-03-2026 13:102.47-0.03
09-03-2026 13:002.6-0.04
09-03-2026 12:502.71-0.08
09-03-2026 12:402.9-0.05
09-03-2026 12:303.06-0.06
09-03-2026 12:203.23-0.07
09-03-2026 12:103.4-0.09
09-03-2026 12:003.6-0.08
09-03-2026 11:503.78-0.1
09-03-2026 11:403.98-0.1
09-03-2026 11:304.17-0.11
09-03-2026 11:204.39-0.09
09-03-2026 11:104.57-0.12
09-03-2026 11:004.77-0.11
09-03-2026 10:504.97-0.11
09-03-2026 10:405.16-0.11
09-03-2026 10:305.34-0.11
09-03-2026 10:205.5-0.13
09-03-2026 10:105.71-0.09
09-03-2026 10:005.82-0.13
09-03-2026 09:505.96-0.13
09-03-2026 09:406.08-0.14
09-03-2026 09:306.26-0.08
09-03-2026 09:206.35-0.08
09-03-2026 09:106.46-0.05
09-03-2026 09:006.55-0.02
09-03-2026 08:506.56-0.06
09-03-2026 08:406.61-0.04
09-03-2026 08:306.63-0.02
09-03-2026 08:206.59-0.05
09-03-2026 08:106.56-0.04
09-03-2026 08:006.52-0.04
09-03-2026 07:506.43-0.05
09-03-2026 07:406.36-0.03
09-03-2026 07:306.28-0.01
09-03-2026 07:206.13-0.04
09-03-2026 07:106-0.03
09-03-2026 07:005.83-0.05
09-03-2026 06:505.67-0.05
09-03-2026 06:405.53-0.02
09-03-2026 06:305.3-0.06
09-03-2026 06:205.12-0.04
09-03-2026 06:104.91-0.05
09-03-2026 06:004.71-0.05
09-03-2026 05:504.52-0.03
09-03-2026 05:404.31-0.01
09-03-2026 05:304.07-0.05
09-03-2026 05:203.87-0.03
09-03-2026 05:103.64-0.05
09-03-2026 05:003.43-0.05
09-03-2026 04:503.23-0.05
09-03-2026 04:403.07-0.02
09-03-2026 04:302.85-0.04
09-03-2026 04:202.64-0.08
09-03-2026 04:102.47-0.08
09-03-2026 04:002.35-0.04
09-03-2026 03:502.22-0.03
09-03-2026 03:402.07-0.05
09-03-2026 03:301.98-0.02
09-03-2026 03:201.89-0
09-03-2026 03:101.77-0.05
09-03-2026 03:001.71-0.03
09-03-2026 02:501.64-0.05
09-03-2026 02:401.63-0.02
09-03-2026 02:301.59-0.05
09-03-2026 02:201.61-0.02
09-03-2026 02:101.660.01
09-03-2026 02:001.64-0.04
09-03-2026 01:501.67-0.06
09-03-2026 01:401.79-0.01
09-03-2026 01:301.84-0.04
09-03-2026 01:202.020.05
09-03-2026 01:102.07-0.01