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
12-09-2026 08:305.020.01
 Next HWNext LW
18:07, 8.14 12:06, 0.57
Date Highest 2026 Date Lowest 2026
03-02 8.22m 19-04 0.29m
Time (GMT)ElevationResidual
12-06-2026 00:005.23-0.05
11-06-2026 23:505.05-0.03
11-06-2026 23:404.82-0.07
11-06-2026 23:304.61-0.09
11-06-2026 23:204.42-0.08
11-06-2026 23:104.23-0.07
11-06-2026 23:004.03-0.06
11-06-2026 22:503.83-0.07
11-06-2026 22:403.63-0.07
11-06-2026 22:303.45-0.07
11-06-2026 22:203.26-0.07
11-06-2026 22:103.09-0.07
11-06-2026 22:002.89-0.1
11-06-2026 21:502.73-0.1
11-06-2026 21:402.56-0.12
11-06-2026 21:302.41-0.13
11-06-2026 21:202.31-0.11
11-06-2026 21:102.2-0.11
11-06-2026 21:002.1-0.11
11-06-2026 20:502.03-0.11
11-06-2026 20:401.93-0.14
11-06-2026 20:301.92-0.11
11-06-2026 20:201.89-0.1
11-06-2026 20:101.86-0.11
11-06-2026 20:001.85-0.12
11-06-2026 19:501.87-0.11
11-06-2026 19:401.9-0.11
11-06-2026 19:301.95-0.1
11-06-2026 19:201.97-0.14
11-06-2026 19:102.07-0.1
11-06-2026 19:002.14-0.12
11-06-2026 18:502.25-0.1
11-06-2026 18:402.38-0.08
11-06-2026 18:302.47-0.1
11-06-2026 18:202.6-0.09
11-06-2026 18:102.74-0.08
11-06-2026 18:002.91-0.06
11-06-2026 17:503.06-0.06
11-06-2026 17:403.21-0.06
11-06-2026 17:303.38-0.05
11-06-2026 17:203.52-0.08
11-06-2026 17:103.71-0.06
11-06-2026 17:003.88-0.06
11-06-2026 16:504.04-0.08
11-06-2026 16:404.22-0.08
11-06-2026 16:304.38-0.09
11-06-2026 16:204.59-0.06
11-06-2026 16:104.72-0.1
11-06-2026 16:004.93-0.07
11-06-2026 15:505.06-0.1
11-06-2026 15:405.26-0.06
11-06-2026 15:305.34-0.13
11-06-2026 15:205.53-0.08
11-06-2026 15:105.66-0.09
11-06-2026 15:005.75-0.13
11-06-2026 14:505.88-0.11
11-06-2026 14:405.96-0.13
11-06-2026 14:306.09-0.08
11-06-2026 14:206.14-0.1
11-06-2026 14:106.22-0.08
11-06-2026 14:006.26-0.08
11-06-2026 13:506.21-0.15
11-06-2026 13:406.3-0.07
11-06-2026 13:306.29-0.07
11-06-2026 13:206.28-0.05
11-06-2026 13:106.26-0.04
11-06-2026 13:006.17-0.06
11-06-2026 12:506.06-0.09
11-06-2026 12:406.02-0.04
11-06-2026 12:305.92-0.04
11-06-2026 12:205.78-0.06
11-06-2026 12:105.71-0.01
11-06-2026 12:005.53-0.04
11-06-2026 11:505.37-0.05
11-06-2026 11:405.22-0.04
11-06-2026 11:305.09-0
11-06-2026 11:204.89-0.04
11-06-2026 11:104.72-0.03
11-06-2026 11:004.54-0.02
11-06-2026 10:504.410.04
11-06-2026 10:404.19-0
11-06-2026 10:304.010
11-06-2026 10:203.860.04
11-06-2026 10:103.680.04
11-06-2026 10:003.480.02
11-06-2026 09:503.310.03
11-06-2026 09:403.11-0.01
11-06-2026 09:302.990.03
11-06-2026 09:202.830.02
11-06-2026 09:102.670
11-06-2026 09:002.550.02
11-06-2026 08:502.460.05
11-06-2026 08:402.28-0.03
11-06-2026 08:302.270.05
11-06-2026 08:202.11-0.03
11-06-2026 08:102.06-0.02
11-06-2026 08:002.040.01
11-06-2026 07:501.97-0.02
11-06-2026 07:401.94-0.03
11-06-2026 07:302.030.06
11-06-2026 07:201.95-0.03
11-06-2026 07:102.010.01
11-06-2026 07:002-0.03
11-06-2026 06:502.06-0.03
11-06-2026 06:402.11-0.04
11-06-2026 06:302.270.04
11-06-2026 06:202.330.01
11-06-2026 06:102.39-0.03
11-06-2026 06:002.51-0.02
11-06-2026 05:502.64-0.01
11-06-2026 05:402.73-0.06
11-06-2026 05:302.950.02
11-06-2026 05:203.110.03
11-06-2026 05:103.19-0.04
11-06-2026 05:003.37-0.02
11-06-2026 04:503.54-0.02
11-06-2026 04:403.7-0.04
11-06-2026 04:303.87-0.03
11-06-2026 04:203.97-0.11
11-06-2026 04:104.19-0.07
11-06-2026 04:004.36-0.08
11-06-2026 03:504.56-0.06
11-06-2026 03:404.74-0.05
11-06-2026 03:304.9-0.06
11-06-2026 03:205.1-0.03
11-06-2026 03:105.26-0.04
11-06-2026 03:005.39-0.06
11-06-2026 02:505.59-0.01
11-06-2026 02:405.68-0.05
11-06-2026 02:305.78-0.08
11-06-2026 02:205.91-0.06
11-06-2026 02:106.01-0.07
11-06-2026 02:006.09-0.08
11-06-2026 01:506.15-0.09
11-06-2026 01:406.22-0.08
11-06-2026 01:306.27-0.07
11-06-2026 01:206.29-0.08
11-06-2026 01:106.35-0.04
11-06-2026 01:006.32-0.06
11-06-2026 00:506.29-0.07
11-06-2026 00:406.24-0.08
11-06-2026 00:306.19-0.08
11-06-2026 00:206.13-0.07
11-06-2026 00:106.04-0.08