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
21-04-2026 23:204-0.04
 Next HWNext LW
08:37, 6.89 02:32, 1.31
Date Highest 2026 Date Lowest 2026
03-02 8.22m 19-04 0.29m
Time (GMT)ElevationResidual
21-04-2026 23:204-0.04
21-04-2026 23:104.25-0.03
21-04-2026 23:004.49-0.03
21-04-2026 22:504.76-0
21-04-2026 22:404.98-0.02
21-04-2026 22:305.22-0.02
21-04-2026 22:205.45-0.02
21-04-2026 22:105.67-0.02
21-04-2026 22:005.88-0.02
21-04-2026 21:506.06-0.05
21-04-2026 21:406.25-0.06
21-04-2026 21:306.43-0.06
21-04-2026 21:206.56-0.09
21-04-2026 21:106.73-0.07
21-04-2026 21:006.84-0.09
21-04-2026 20:506.97-0.07
21-04-2026 20:407.06-0.07
21-04-2026 20:307.14-0.06
21-04-2026 20:207.21-0.04
21-04-2026 20:107.22-0.04
21-04-2026 20:007.23-0.04
21-04-2026 19:507.2-0.03
21-04-2026 19:407.16-0.03
21-04-2026 19:307.08-0.03
21-04-2026 19:206.98-0.04
21-04-2026 19:106.86-0.04
21-04-2026 19:006.73-0.03
21-04-2026 18:506.56-0.05
21-04-2026 18:406.38-0.04
21-04-2026 18:306.18-0.05
21-04-2026 18:205.97-0.06
21-04-2026 18:105.75-0.05
21-04-2026 18:005.54-0.03
21-04-2026 17:505.29-0.03
21-04-2026 17:405.07-0
21-04-2026 17:304.820
21-04-2026 17:204.560.01
21-04-2026 17:104.290
21-04-2026 17:004.030
21-04-2026 16:503.76-0
21-04-2026 16:403.5-0
21-04-2026 16:303.260.01
21-04-2026 16:203.030.02
21-04-2026 16:102.780.02
21-04-2026 16:002.560.02
21-04-2026 15:502.31-0.02
21-04-2026 15:402.13-0.01
21-04-2026 15:301.94-0.01
21-04-2026 15:201.77-0.02
21-04-2026 15:101.61-0.03
21-04-2026 15:001.5-0.01
21-04-2026 14:501.36-0.04
21-04-2026 14:401.28-0.03
21-04-2026 14:301.21-0.04
21-04-2026 14:201.13-0.06
21-04-2026 14:101.11-0.05
21-04-2026 14:001.1-0.06
21-04-2026 13:501.13-0.04
21-04-2026 13:401.17-0.04
21-04-2026 13:301.19-0.07
21-04-2026 13:201.26-0.08
21-04-2026 13:101.36-0.07
21-04-2026 13:001.47-0.08
21-04-2026 12:501.6-0.07
21-04-2026 12:401.74-0.08
21-04-2026 12:301.88-0.1
21-04-2026 12:202.04-0.12
21-04-2026 12:102.24-0.11
21-04-2026 12:002.42-0.13
21-04-2026 11:502.64-0.13
21-04-2026 11:402.87-0.13
21-04-2026 11:303.09-0.14
21-04-2026 11:203.32-0.15
21-04-2026 11:103.56-0.16
21-04-2026 11:003.82-0.15
21-04-2026 10:504.08-0.15
21-04-2026 10:404.34-0.15
21-04-2026 10:304.59-0.16
21-04-2026 10:204.88-0.12
21-04-2026 10:105.13-0.13
21-04-2026 10:005.37-0.13
21-04-2026 09:505.61-0.14
21-04-2026 09:405.82-0.16
21-04-2026 09:306.03-0.17
21-04-2026 09:206.24-0.17
21-04-2026 09:106.42-0.17
21-04-2026 09:006.59-0.18
21-04-2026 08:506.76-0.18
21-04-2026 08:406.88-0.19
21-04-2026 08:307.01-0.18
21-04-2026 08:207.11-0.17
21-04-2026 08:107.18-0.17
21-04-2026 08:007.23-0.17
21-04-2026 07:507.25-0.17
21-04-2026 07:407.24-0.17
21-04-2026 07:307.23-0.15
21-04-2026 07:207.2-0.13
21-04-2026 07:107.13-0.11
21-04-2026 07:007.02-0.11
21-04-2026 06:506.9-0.1
21-04-2026 06:406.75-0.09
21-04-2026 06:306.58-0.08
21-04-2026 06:206.39-0.08
21-04-2026 06:106.18-0.08
21-04-2026 06:005.95-0.08
21-04-2026 05:505.71-0.08
21-04-2026 05:405.45-0.09
21-04-2026 05:305.19-0.08
21-04-2026 05:204.94-0.06
21-04-2026 05:104.66-0.07
21-04-2026 05:004.36-0.09
21-04-2026 04:504.09-0.07
21-04-2026 04:403.81-0.07
21-04-2026 04:303.55-0.06
21-04-2026 04:203.25-0.08
21-04-2026 04:103-0.07
21-04-2026 04:002.72-0.08
21-04-2026 03:502.48-0.07
21-04-2026 03:402.27-0.05
21-04-2026 03:302.03-0.06
21-04-2026 03:201.8-0.08
21-04-2026 03:101.63-0.06
21-04-2026 03:001.45-0.07
21-04-2026 02:501.31-0.05
21-04-2026 02:401.16-0.06
21-04-2026 02:301.03-0.07
21-04-2026 02:200.97-0.04
21-04-2026 02:100.89-0.05
21-04-2026 02:000.83-0.05
21-04-2026 01:500.79-0.07
21-04-2026 01:400.77-0.09
21-04-2026 01:300.79-0.08
21-04-2026 01:200.83-0.08
21-04-2026 01:100.88-0.09
21-04-2026 01:000.96-0.09
21-04-2026 00:501.05-0.1
21-04-2026 00:401.17-0.09
21-04-2026 00:301.32-0.08
21-04-2026 00:201.46-0.09
21-04-2026 00:101.66-0.07
21-04-2026 00:001.83-0.08
20-04-2026 23:502.03-0.08
20-04-2026 23:402.24-0.09
20-04-2026 23:302.46-0.09
20-04-2026 23:202.71-0.08
20-04-2026 23:102.96-0.07
20-04-2026 23:003.2-0.09
20-04-2026 22:503.46-0.09
20-04-2026 22:403.71-0.1
20-04-2026 22:304-0.08
20-04-2026 22:204.29-0.08
20-04-2026 22:104.55-0.08
20-04-2026 22:004.85-0.07
20-04-2026 21:505.11-0.07
20-04-2026 21:405.36-0.09
20-04-2026 21:305.61-0.1
20-04-2026 21:205.87-0.1
20-04-2026 21:106.09-0.12
20-04-2026 21:006.32-0.12
20-04-2026 20:506.53-0.13
20-04-2026 20:406.75-0.11
20-04-2026 20:306.93-0.11
20-04-2026 20:207.08-0.12
20-04-2026 20:107.22-0.12
20-04-2026 20:007.35-0.12
20-04-2026 19:507.45-0.11
20-04-2026 19:407.52-0.11
20-04-2026 19:307.57-0.1
20-04-2026 19:207.6-0.09
20-04-2026 19:107.59-0.08
20-04-2026 19:007.54-0.09
20-04-2026 18:507.49-0.07
20-04-2026 18:407.4-0.07
20-04-2026 18:307.3-0.04
20-04-2026 18:207.14-0.06
20-04-2026 18:106.98-0.05
20-04-2026 18:006.79-0.04
20-04-2026 17:506.58-0.04
20-04-2026 17:406.36-0.03
20-04-2026 17:306.1-0.04
20-04-2026 17:205.86-0.02
20-04-2026 17:105.59-0.02
20-04-2026 17:005.320
20-04-2026 16:505.040.01
20-04-2026 16:404.760.03
20-04-2026 16:304.450.02
20-04-2026 16:204.160.03
20-04-2026 16:103.850.02
20-04-2026 16:003.560.02
20-04-2026 15:503.260.01
20-04-2026 15:402.990.03
20-04-2026 15:302.70.01
20-04-2026 15:202.440.01
20-04-2026 15:102.20.02
20-04-2026 15:001.960.02
20-04-2026 14:501.740.01
20-04-2026 14:401.530
20-04-2026 14:301.360.02
20-04-2026 14:201.190
20-04-2026 14:101.050
20-04-2026 14:000.94-0
20-04-2026 13:500.84-0.01
20-04-2026 13:400.78-0
20-04-2026 13:300.71-0.03
20-04-2026 13:200.7-0.02
20-04-2026 13:100.7-0.03
20-04-2026 13:000.72-0.04
20-04-2026 12:500.77-0.05
20-04-2026 12:400.82-0.07
20-04-2026 12:300.92-0.07
20-04-2026 12:201.06-0.06
20-04-2026 12:101.19-0.06
20-04-2026 12:001.34-0.07
20-04-2026 11:501.53-0.06
20-04-2026 11:401.72-0.07
20-04-2026 11:301.93-0.08
20-04-2026 11:202.14-0.09
20-04-2026 11:102.39-0.08
20-04-2026 11:002.64-0.09
20-04-2026 10:502.91-0.08
20-04-2026 10:403.16-0.1
20-04-2026 10:303.44-0.1
20-04-2026 10:203.7-0.12
20-04-2026 10:104.01-0.09
20-04-2026 10:004.29-0.1
20-04-2026 09:504.59-0.1
20-04-2026 09:404.88-0.1
20-04-2026 09:305.17-0.09
20-04-2026 09:205.43-0.11
20-04-2026 09:105.7-0.11
20-04-2026 09:005.94-0.14
20-04-2026 08:506.21-0.13
20-04-2026 08:406.43-0.14
20-04-2026 08:306.66-0.14
20-04-2026 08:206.86-0.15
20-04-2026 08:107.04-0.16
20-04-2026 08:007.22-0.14
20-04-2026 07:507.36-0.15
20-04-2026 07:407.49-0.14
20-04-2026 07:307.59-0.13
20-04-2026 07:207.66-0.13
20-04-2026 07:107.71-0.12
20-04-2026 07:007.73-0.1
20-04-2026 06:507.71-0.1
20-04-2026 06:407.67-0.09
20-04-2026 06:307.61-0.07
20-04-2026 06:207.49-0.08
20-04-2026 06:107.35-0.08
20-04-2026 06:007.22-0.06
20-04-2026 05:507.05-0.04
20-04-2026 05:406.83-0.06
20-04-2026 05:306.57-0.08
20-04-2026 05:206.33-0.08
20-04-2026 05:106.07-0.08
20-04-2026 05:005.79-0.08
20-04-2026 04:505.5-0.08
20-04-2026 04:405.22-0.06
20-04-2026 04:304.89-0.09
20-04-2026 04:204.59-0.07
20-04-2026 04:104.29-0.06
20-04-2026 04:003.98-0.06
20-04-2026 03:503.66-0.07
20-04-2026 03:403.35-0.07
20-04-2026 03:303.05-0.07
20-04-2026 03:202.76-0.07
20-04-2026 03:102.48-0.07
20-04-2026 03:002.22-0.06
20-04-2026 02:501.95-0.07
20-04-2026 02:401.71-0.07
20-04-2026 02:301.47-0.08
20-04-2026 02:201.27-0.08
20-04-2026 02:101.08-0.08
20-04-2026 02:000.93-0.08
20-04-2026 01:500.79-0.07
20-04-2026 01:400.68-0.06
20-04-2026 01:300.57-0.08
20-04-2026 01:200.51-0.08
20-04-2026 01:100.46-0.09
20-04-2026 01:000.42-0.11
20-04-2026 00:500.44-0.1
20-04-2026 00:400.47-0.1
20-04-2026 00:300.51-0.12
20-04-2026 00:200.59-0.12
20-04-2026 00:100.71-0.1
20-04-2026 00:000.83-0.1
19-04-2026 23:500.99-0.09
19-04-2026 23:401.16-0.08
19-04-2026 23:301.34-0.09
19-04-2026 23:201.53-0.09
19-04-2026 23:101.75-0.1