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
18-02-2025 00:003.180.04
17-02-2025 23:503.390.03
17-02-2025 23:403.590.03
17-02-2025 23:303.830.05
17-02-2025 23:204.040.03
17-02-2025 23:104.240.01
17-02-2025 23:004.480.03
17-02-2025 22:504.70.02
17-02-2025 22:404.910.01
17-02-2025 22:305.150.03
17-02-2025 22:205.350.03
17-02-2025 22:105.550.03
17-02-2025 22:005.740.03
17-02-2025 21:505.910.02
17-02-2025 21:406.10.04
17-02-2025 21:306.240.02
17-02-2025 21:206.360.01
17-02-2025 21:106.50.03
17-02-2025 21:006.610.03
17-02-2025 20:506.710.05
17-02-2025 20:406.750.02
17-02-2025 20:306.840.07
17-02-2025 20:206.830.03
17-02-2025 20:106.850.05
17-02-2025 20:006.820.04
17-02-2025 19:506.740
17-02-2025 19:406.70.02
17-02-2025 19:306.620.02
17-02-2025 19:206.510.02
17-02-2025 19:106.380.01
17-02-2025 19:006.23-0
17-02-2025 18:506.07-0
17-02-2025 18:405.88-0.02
17-02-2025 18:305.67-0.05
17-02-2025 18:205.48-0.05
17-02-2025 18:105.29-0.03
17-02-2025 18:005.09-0.01
17-02-2025 17:504.87-0.01
17-02-2025 17:404.61-0.04
17-02-2025 17:304.39-0.03
17-02-2025 17:204.16-0.04
17-02-2025 17:103.9-0.07
17-02-2025 17:003.71-0.03
17-02-2025 16:503.49-0.02
17-02-2025 16:403.25-0.04
17-02-2025 16:303.080
17-02-2025 16:202.84-0.03
17-02-2025 16:102.690.01
17-02-2025 16:002.45-0.04
17-02-2025 15:502.28-0.04
17-02-2025 15:402.12-0.04
17-02-2025 15:301.97-0.04
17-02-2025 15:201.83-0.05
17-02-2025 15:101.7-0.07
17-02-2025 15:001.59-0.08
17-02-2025 14:501.56-0.03
17-02-2025 14:401.5-0.03
17-02-2025 14:301.490.01
17-02-2025 14:201.44-0.02
17-02-2025 14:101.42-0.03
17-02-2025 14:001.44-0.01
17-02-2025 13:501.48-0.01
17-02-2025 13:401.53-0.01
17-02-2025 13:301.610.01
17-02-2025 13:201.690
17-02-2025 13:101.790.01
17-02-2025 13:001.910.01
17-02-2025 12:502.050.01
17-02-2025 12:402.20.01
17-02-2025 12:302.390.04
17-02-2025 12:202.560.03
17-02-2025 12:102.740.02
17-02-2025 12:002.920
17-02-2025 11:503.140.01
17-02-2025 11:403.34-0.01
17-02-2025 11:303.55-0.03
17-02-2025 11:203.79-0.02
17-02-2025 11:104.01-0.03
17-02-2025 11:004.24-0.04
17-02-2025 10:504.51-0.01
17-02-2025 10:404.72-0.03
17-02-2025 10:304.97-0.01
17-02-2025 10:205.21-0
17-02-2025 10:105.42-0.02
17-02-2025 10:005.62-0.03
17-02-2025 09:505.81-0.04
17-02-2025 09:406.01-0.04
17-02-2025 09:306.17-0.07
17-02-2025 09:206.33-0.08
17-02-2025 09:106.54-0.02
17-02-2025 09:006.7-0
17-02-2025 08:506.840.02
17-02-2025 08:406.91-0
17-02-2025 08:306.99-0
17-02-2025 08:207.070.01
17-02-2025 08:107.10.01
17-02-2025 08:007.130.03
17-02-2025 07:507.09-0.01
17-02-2025 07:407.080.01
17-02-2025 07:307.010
17-02-2025 07:206.92-0.01
17-02-2025 07:106.860.02
17-02-2025 07:006.67-0.04
17-02-2025 06:506.51-0.07
17-02-2025 06:406.36-0.06
17-02-2025 06:306.19-0.06
17-02-2025 06:206-0.06
17-02-2025 06:105.81-0.05
17-02-2025 06:005.61-0.03
17-02-2025 05:505.38-0.04
17-02-2025 05:405.12-0.06
17-02-2025 05:304.94-0.01
17-02-2025 05:204.65-0.05
17-02-2025 05:104.36-0.09
17-02-2025 05:004.12-0.09
17-02-2025 04:503.88-0.08
17-02-2025 04:403.63-0.08
17-02-2025 04:303.41-0.06
17-02-2025 04:203.17-0.07
17-02-2025 04:102.93-0.08
17-02-2025 04:002.7-0.08
17-02-2025 03:502.48-0.09
17-02-2025 03:402.29-0.08
17-02-2025 03:302.1-0.09
17-02-2025 03:201.96-0.06
17-02-2025 03:101.8-0.07
17-02-2025 03:001.67-0.06
17-02-2025 02:501.54-0.07
17-02-2025 02:401.45-0.06
17-02-2025 02:301.35-0.07
17-02-2025 02:201.29-0.07
17-02-2025 02:101.24-0.08
17-02-2025 02:001.24-0.05
17-02-2025 01:501.22-0.06
17-02-2025 01:401.25-0.05
17-02-2025 01:301.29-0.04
17-02-2025 01:201.34-0.04
17-02-2025 01:101.43-0.03
17-02-2025 01:001.53-0.03
17-02-2025 00:501.64-0.02
17-02-2025 00:401.78-0.01
17-02-2025 00:301.91-0.02
17-02-2025 00:202.110.02
17-02-2025 00:102.280.02