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
19-05-2026 06:507.770.12
 Next HWNext LW
19:11, 7.65 13:08, 0.9
Date Highest 2026 Date Lowest 2026
03-02 8.22m 19-04 0.29m
Time (GMT)ElevationResidual
22-04-2026 00:003.13-0
21-04-2026 23:503.34-0.02
21-04-2026 23:403.55-0.03
21-04-2026 23:303.76-0.04
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