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

 


Latest Tide Data (Predicted Tide Table)

Time (GMT)ElevationResidual
13-02-2025 18:307.330.03
 Next HWNext LW
06:31, 7.57 00:30, 0.95
Date Highest 2025 Date Lowest 2025
01-02 7.91m 01-02 0.57m
Time (GMT)ElevationResidual
09-11-2024 00:004.72-0.06
08-11-2024 23:504.87-0.03
08-11-2024 23:404.97-0.05
08-11-2024 23:305.07-0.07
08-11-2024 23:205.19-0.06
08-11-2024 23:105.31-0.04
08-11-2024 23:005.4-0.05
08-11-2024 22:505.47-0.07
08-11-2024 22:405.52-0.1
08-11-2024 22:305.61-0.07
08-11-2024 22:205.66-0.08
08-11-2024 22:105.71-0.07
08-11-2024 22:005.74-0.07
08-11-2024 21:505.76-0.06
08-11-2024 21:405.77-0.06
08-11-2024 21:305.8-0.02
08-11-2024 21:205.76-0.04
08-11-2024 21:105.75-0.02
08-11-2024 21:005.71-0.01
08-11-2024 20:505.670
08-11-2024 20:405.60
08-11-2024 20:305.530.01
08-11-2024 20:205.440.02
08-11-2024 20:105.32-0
08-11-2024 20:005.240.02
08-11-2024 19:505.160.06
08-11-2024 19:405.030.05
08-11-2024 19:304.890.04
08-11-2024 19:204.760.04
08-11-2024 19:104.620.04
08-11-2024 19:004.50.06
08-11-2024 18:504.360.07
08-11-2024 18:404.230.07
08-11-2024 18:304.070.06
08-11-2024 18:203.960.09
08-11-2024 18:103.820.09
08-11-2024 18:003.650.06
08-11-2024 17:503.540.07
08-11-2024 17:403.410.07
08-11-2024 17:303.260.05
08-11-2024 17:203.180.08
08-11-2024 17:103.10.1
08-11-2024 17:002.960.06
08-11-2024 16:502.890.07
08-11-2024 16:402.770.03
08-11-2024 16:302.690.02
08-11-2024 16:202.59-0.03
08-11-2024 16:102.57-0
08-11-2024 16:002.53-0.01
08-11-2024 15:502.48-0.03
08-11-2024 15:402.48-0.02
08-11-2024 15:302.46-0.03
08-11-2024 15:202.46-0.05
08-11-2024 15:102.51-0.02
08-11-2024 15:002.52-0.04
08-11-2024 14:502.58-0.02
08-11-2024 14:402.62-0.04
08-11-2024 14:302.66-0.06
08-11-2024 14:202.75-0.04
08-11-2024 14:102.81-0.06
08-11-2024 14:002.92-0.04
08-11-2024 13:503.02-0.04
08-11-2024 13:403.11-0.05
08-11-2024 13:303.21-0.06
08-11-2024 13:203.35-0.05
08-11-2024 13:103.45-0.07
08-11-2024 13:003.57-0.09
08-11-2024 12:503.7-0.09
08-11-2024 12:403.85-0.09
08-11-2024 12:303.99-0.09
08-11-2024 12:204.13-0.11
08-11-2024 12:104.27-0.11
08-11-2024 12:004.42-0.12
08-11-2024 11:504.59-0.1
08-11-2024 11:404.72-0.12
08-11-2024 11:304.86-0.13
08-11-2024 11:205.02-0.11
08-11-2024 11:105.15-0.12
08-11-2024 11:005.26-0.15
08-11-2024 10:505.42-0.11
08-11-2024 10:405.53-0.11
08-11-2024 10:305.64-0.11
08-11-2024 10:205.72-0.12
08-11-2024 10:105.84-0.09
08-11-2024 10:005.92-0.08
08-11-2024 09:505.98-0.09
08-11-2024 09:406.02-0.1
08-11-2024 09:306.08-0.07
08-11-2024 09:206.12-0.04
08-11-2024 09:106.11-0.06
08-11-2024 09:006.09-0.08
08-11-2024 08:506.12-0.02
08-11-2024 08:406.09-0.02
08-11-2024 08:306.060
08-11-2024 08:205.97-0.02
08-11-2024 08:105.930.01
08-11-2024 08:005.84-0
08-11-2024 07:505.74-0
08-11-2024 07:405.63-0
08-11-2024 07:305.520
08-11-2024 07:205.40
08-11-2024 07:105.280.02
08-11-2024 07:005.12-0
08-11-2024 06:504.96-0.02
08-11-2024 06:404.850.02
08-11-2024 06:304.690.01
08-11-2024 06:204.530
08-11-2024 06:104.380.01
08-11-2024 06:004.230.01
08-11-2024 05:504.090.03
08-11-2024 05:403.950.04
08-11-2024 05:303.770.01
08-11-2024 05:203.660.04
08-11-2024 05:103.510.04
08-11-2024 05:003.370.02
08-11-2024 04:503.240.02
08-11-2024 04:403.110.02
08-11-2024 04:303.010.02
08-11-2024 04:202.910.02
08-11-2024 04:102.830.04
08-11-2024 04:002.750.04
08-11-2024 03:502.660.02
08-11-2024 03:402.60.02
08-11-2024 03:302.550.02
08-11-2024 03:202.520.03
08-11-2024 03:102.490.02
08-11-2024 03:002.480.03
08-11-2024 02:502.460.01
08-11-2024 02:402.470.01
08-11-2024 02:302.50.02
08-11-2024 02:202.530.02
08-11-2024 02:102.560.01
08-11-2024 02:002.58-0.02
08-11-2024 01:502.65-0.01
08-11-2024 01:402.760.02
08-11-2024 01:302.840.02
08-11-2024 01:202.930.02
08-11-2024 01:103-0.01
08-11-2024 01:003.1-0.02
08-11-2024 00:503.22-0.02
08-11-2024 00:403.33-0.04
08-11-2024 00:303.46-0.05
08-11-2024 00:203.57-0.08
08-11-2024 00:103.71-0.08