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
17-03-2025 05:206.15-0.06
 Next HWNext LW
06:58, 7.37 13:11, 1.07
Date Highest 2025 Date Lowest 2025
02-03 8.12m 02-03 0.03m
Time (GMT)ElevationResidual
17-03-2025 05:206.15-0.06
17-03-2025 05:105.91-0.07
17-03-2025 05:005.69-0.05
17-03-2025 04:505.45-0.04
17-03-2025 04:405.19-0.04
17-03-2025 04:304.92-0.04
17-03-2025 04:204.66-0.03
17-03-2025 04:104.38-0.03
17-03-2025 04:004.11-0.03
17-03-2025 03:503.83-0.04
17-03-2025 03:403.54-0.05
17-03-2025 03:303.29-0.03
17-03-2025 03:203.06-0
17-03-2025 03:102.8-0.01
17-03-2025 03:002.55-0.02
17-03-2025 02:502.33-0.01
17-03-2025 02:402.11-0.01
17-03-2025 02:301.9-0.02
17-03-2025 02:201.72-0.01
17-03-2025 02:101.54-0.02
17-03-2025 02:001.39-0.03
17-03-2025 01:501.27-0.01
17-03-2025 01:401.15-0.03
17-03-2025 01:301.07-0.01
17-03-2025 01:201-0.02
17-03-2025 01:100.94-0.03
17-03-2025 01:000.92-0.03
17-03-2025 00:500.92-0.03
17-03-2025 00:400.94-0.04
17-03-2025 00:300.99-0.03
17-03-2025 00:201.05-0.04
17-03-2025 00:101.14-0.04
17-03-2025 00:001.25-0.04
16-03-2025 23:501.38-0.04
16-03-2025 23:401.53-0.03
16-03-2025 23:301.7-0.03
16-03-2025 23:201.88-0.03
16-03-2025 23:102.08-0.03
16-03-2025 23:002.28-0.03
16-03-2025 22:502.49-0.05
16-03-2025 22:402.73-0.05
16-03-2025 22:302.98-0.04
16-03-2025 22:203.23-0.04
16-03-2025 22:103.51-0.02
16-03-2025 22:003.76-0.03
16-03-2025 21:504.03-0.02
16-03-2025 21:404.3-0.02
16-03-2025 21:304.56-0.04
16-03-2025 21:204.81-0.04
16-03-2025 21:105.07-0.04
16-03-2025 21:005.34-0.04
16-03-2025 20:505.59-0.04
16-03-2025 20:405.82-0.04
16-03-2025 20:306.06-0.03
16-03-2025 20:206.28-0.03
16-03-2025 20:106.47-0.03
16-03-2025 20:006.65-0.04
16-03-2025 19:506.8-0.05
16-03-2025 19:406.96-0.04
16-03-2025 19:307.08-0.03
16-03-2025 19:207.19-0.02
16-03-2025 19:107.26-0.03
16-03-2025 19:007.32-0.02
16-03-2025 18:507.34-0.02
16-03-2025 18:407.35-0.01
16-03-2025 18:307.3-0.04
16-03-2025 18:207.25-0.02
16-03-2025 18:107.17-0.03
16-03-2025 18:007.07-0.02
16-03-2025 17:506.94-0.02
16-03-2025 17:406.78-0.02
16-03-2025 17:306.6-0.02
16-03-2025 17:206.39-0.04
16-03-2025 17:106.17-0.04
16-03-2025 17:005.95-0.04
16-03-2025 16:505.68-0.06
16-03-2025 16:405.44-0.05
16-03-2025 16:305.19-0.03
16-03-2025 16:204.92-0.02
16-03-2025 16:104.64-0.03
16-03-2025 16:004.390
16-03-2025 15:504.110.01
16-03-2025 15:403.82-0.01
16-03-2025 15:303.53-0.02
16-03-2025 15:203.27-0.01
16-03-2025 15:103.020
16-03-2025 15:002.74-0.02
16-03-2025 14:502.5-0.02
16-03-2025 14:402.26-0.03
16-03-2025 14:302.05-0.02
16-03-2025 14:201.86-0.01
16-03-2025 14:101.680
16-03-2025 14:001.5-0.02
16-03-2025 13:501.36-0.01
16-03-2025 13:401.24-0
16-03-2025 13:301.13-0
16-03-2025 13:201.03-0.01
16-03-2025 13:100.96-0.02
16-03-2025 13:000.92-0.01
16-03-2025 12:500.9-0.02
16-03-2025 12:400.89-0.03
16-03-2025 12:300.93-0.02
16-03-2025 12:200.96-0.03
16-03-2025 12:101.05-0.02
16-03-2025 12:001.12-0.04
16-03-2025 11:501.22-0.05
16-03-2025 11:401.38-0.03
16-03-2025 11:301.5-0.06
16-03-2025 11:201.67-0.06
16-03-2025 11:101.86-0.05
16-03-2025 11:002.06-0.06
16-03-2025 10:502.27-0.06
16-03-2025 10:402.49-0.07
16-03-2025 10:302.72-0.07
16-03-2025 10:202.99-0.05
16-03-2025 10:103.25-0.04
16-03-2025 10:003.5-0.05
16-03-2025 09:503.75-0.06
16-03-2025 09:404.02-0.07
16-03-2025 09:304.29-0.06
16-03-2025 09:204.56-0.06
16-03-2025 09:104.83-0.06
16-03-2025 09:005.09-0.06
16-03-2025 08:505.34-0.07
16-03-2025 08:405.6-0.06
16-03-2025 08:305.84-0.06
16-03-2025 08:206.07-0.07
16-03-2025 08:106.29-0.07
16-03-2025 08:006.49-0.07
16-03-2025 07:506.69-0.07
16-03-2025 07:406.84-0.09
16-03-2025 07:307.01-0.07
16-03-2025 07:207.14-0.07
16-03-2025 07:107.25-0.07
16-03-2025 07:007.33-0.08
16-03-2025 06:507.4-0.07
16-03-2025 06:407.44-0.07
16-03-2025 06:307.44-0.08
16-03-2025 06:207.44-0.05
16-03-2025 06:107.4-0.05
16-03-2025 06:007.33-0.05
16-03-2025 05:507.24-0.05
16-03-2025 05:407.12-0.04
16-03-2025 05:306.95-0.07
16-03-2025 05:206.78-0.07
16-03-2025 05:106.59-0.07
16-03-2025 05:006.38-0.08
16-03-2025 04:506.16-0.07
16-03-2025 04:405.9-0.08
16-03-2025 04:305.66-0.07
16-03-2025 04:205.41-0.05
16-03-2025 04:105.15-0.03
16-03-2025 04:004.86-0.04
16-03-2025 03:504.58-0.04
16-03-2025 03:404.3-0.03
16-03-2025 03:304.01-0.04
16-03-2025 03:203.73-0.03
16-03-2025 03:103.45-0.03
16-03-2025 03:003.19-0.02
16-03-2025 02:502.9-0.03
16-03-2025 02:402.64-0.04
16-03-2025 02:302.39-0.04
16-03-2025 02:202.15-0.05
16-03-2025 02:101.92-0.06
16-03-2025 02:001.72-0.05
16-03-2025 01:501.54-0.05
16-03-2025 01:401.4-0.03
16-03-2025 01:301.24-0.03
16-03-2025 01:201.11-0.04
16-03-2025 01:100.98-0.06
16-03-2025 01:000.9-0.06
16-03-2025 00:500.82-0.08
16-03-2025 00:400.81-0.06
16-03-2025 00:300.79-0.06
16-03-2025 00:200.79-0.07
16-03-2025 00:100.82-0.07
16-03-2025 00:000.89-0.06
15-03-2025 23:500.96-0.08
15-03-2025 23:401.07-0.07
15-03-2025 23:301.18-0.07
15-03-2025 23:201.32-0.08
15-03-2025 23:101.49-0.07
15-03-2025 23:001.66-0.08
15-03-2025 22:501.86-0.07
15-03-2025 22:402.06-0.08
15-03-2025 22:302.28-0.08
15-03-2025 22:202.5-0.09
15-03-2025 22:102.75-0.08
15-03-2025 22:003-0.08
15-03-2025 21:503.27-0.07
15-03-2025 21:403.54-0.07
15-03-2025 21:303.8-0.07
15-03-2025 21:204.07-0.07
15-03-2025 21:104.35-0.07
15-03-2025 21:004.62-0.06
15-03-2025 20:504.89-0.07
15-03-2025 20:405.15-0.07
15-03-2025 20:305.42-0.06
15-03-2025 20:205.66-0.06
15-03-2025 20:105.89-0.07
15-03-2025 20:006.13-0.06
15-03-2025 19:506.34-0.07
15-03-2025 19:406.53-0.07
15-03-2025 19:306.73-0.05
15-03-2025 19:206.86-0.08
15-03-2025 19:107.01-0.08
15-03-2025 19:007.15-0.06
15-03-2025 18:507.24-0.06
15-03-2025 18:407.31-0.06
15-03-2025 18:307.36-0.06
15-03-2025 18:207.38-0.05
15-03-2025 18:107.37-0.05
15-03-2025 18:007.34-0.05
15-03-2025 17:507.27-0.05
15-03-2025 17:407.19-0.04
15-03-2025 17:307.05-0.06
15-03-2025 17:206.91-0.06
15-03-2025 17:106.76-0.05
15-03-2025 17:006.57-0.05
15-03-2025 16:506.33-0.08
15-03-2025 16:406.1-0.08
15-03-2025 16:305.87-0.07
15-03-2025 16:205.64-0.04
15-03-2025 16:105.38-0.04
15-03-2025 16:005.11-0.03
15-03-2025 15:504.82-0.03
15-03-2025 15:404.56-0.01
15-03-2025 15:304.290.01
15-03-2025 15:204.010.02
15-03-2025 15:103.720.01
15-03-2025 15:003.450.03
15-03-2025 14:503.190.04
15-03-2025 14:402.930.05
15-03-2025 14:302.660.04
15-03-2025 14:202.40.02
15-03-2025 14:102.160.01
15-03-2025 14:001.950.01
15-03-2025 13:501.750.01
15-03-2025 13:401.570.02
15-03-2025 13:301.420.03
15-03-2025 13:201.280.04
15-03-2025 13:101.170.04
15-03-2025 13:001.060.04
15-03-2025 12:500.990.04
15-03-2025 12:400.930.04
15-03-2025 12:300.880.03
15-03-2025 12:200.870.02
15-03-2025 12:100.880.02
15-03-2025 12:000.910.01
15-03-2025 11:500.95-0.01
15-03-2025 11:401.04-0
15-03-2025 11:301.14-0.02
15-03-2025 11:201.26-0.02
15-03-2025 11:101.4-0.02
15-03-2025 11:001.56-0.03
15-03-2025 10:501.73-0.04
15-03-2025 10:401.92-0.04
15-03-2025 10:302.12-0.05
15-03-2025 10:202.35-0.04
15-03-2025 10:102.58-0.04
15-03-2025 10:002.82-0.04
15-03-2025 09:503.08-0.04
15-03-2025 09:403.32-0.06
15-03-2025 09:303.57-0.07
15-03-2025 09:203.84-0.06
15-03-2025 09:104.12-0.05
15-03-2025 09:004.39-0.05
15-03-2025 08:504.67-0.04
15-03-2025 08:404.92-0.06
15-03-2025 08:305.2-0.04
15-03-2025 08:205.46-0.03
15-03-2025 08:105.71-0.04
15-03-2025 08:005.94-0.05
15-03-2025 07:506.2-0.02
15-03-2025 07:406.4-0.03
15-03-2025 07:306.61-0.02
15-03-2025 07:206.81-0.01
15-03-2025 07:106.97-0.02
15-03-2025 07:007.12-0.02
15-03-2025 06:507.24-0.03
15-03-2025 06:407.37-0.01
15-03-2025 06:307.45-0.01
15-03-2025 06:207.5-0.02
15-03-2025 06:107.53-0.02
15-03-2025 06:007.54-0.01
15-03-2025 05:507.52-0.01
15-03-2025 05:407.47-0.01
15-03-2025 05:307.39-0.02
15-03-2025 05:207.28-0.02
15-03-2025 05:107.15-0.03