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 20:205.680.03
 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
11-11-2024 00:005.65-0.15
10-11-2024 23:505.59-0.16
10-11-2024 23:405.56-0.14
10-11-2024 23:305.48-0.15
10-11-2024 23:205.41-0.15
10-11-2024 23:105.34-0.13
10-11-2024 23:005.24-0.14
10-11-2024 22:505.14-0.13
10-11-2024 22:405.01-0.15
10-11-2024 22:304.9-0.14
10-11-2024 22:204.77-0.14
10-11-2024 22:104.64-0.14
10-11-2024 22:004.51-0.13
10-11-2024 21:504.4-0.09
10-11-2024 21:404.2-0.15
10-11-2024 21:304.09-0.12
10-11-2024 21:203.93-0.14
10-11-2024 21:103.82-0.11
10-11-2024 21:003.68-0.1
10-11-2024 20:503.51-0.13
10-11-2024 20:403.39-0.12
10-11-2024 20:303.26-0.12
10-11-2024 20:203.13-0.12
10-11-2024 20:103.04-0.09
10-11-2024 20:002.94-0.08
10-11-2024 19:502.82-0.1
10-11-2024 19:402.67-0.15
10-11-2024 19:302.63-0.12
10-11-2024 19:202.52-0.15
10-11-2024 19:102.54-0.06
10-11-2024 19:002.43-0.12
10-11-2024 18:502.4-0.11
10-11-2024 18:402.38-0.11
10-11-2024 18:302.34-0.12
10-11-2024 18:202.32-0.13
10-11-2024 18:102.33-0.13
10-11-2024 18:002.38-0.1
10-11-2024 17:502.41-0.09
10-11-2024 17:402.51-0.04
10-11-2024 17:302.55-0.04
10-11-2024 17:202.51-0.14
10-11-2024 17:102.6-0.12
10-11-2024 17:002.73-0.06
10-11-2024 16:502.76-0.12
10-11-2024 16:402.84-0.13
10-11-2024 16:303.090.01
10-11-2024 16:203.08-0.1
10-11-2024 16:103.21-0.09
10-11-2024 16:003.39-0.02
10-11-2024 15:503.5-0.03
10-11-2024 15:403.62-0.04
10-11-2024 15:303.72-0.07
10-11-2024 15:203.83-0.09
10-11-2024 15:103.96-0.1
10-11-2024 15:004.09-0.1
10-11-2024 14:504.24-0.1
10-11-2024 14:404.36-0.11
10-11-2024 14:304.53-0.08
10-11-2024 14:204.65-0.09
10-11-2024 14:104.78-0.1
10-11-2024 14:004.89-0.11
10-11-2024 13:505.02-0.11
10-11-2024 13:405.14-0.11
10-11-2024 13:305.28-0.08
10-11-2024 13:205.36-0.1
10-11-2024 13:105.49-0.07
10-11-2024 13:005.56-0.09
10-11-2024 12:505.63-0.1
10-11-2024 12:405.72-0.08
10-11-2024 12:305.78-0.08
10-11-2024 12:205.83-0.08
10-11-2024 12:105.88-0.07
10-11-2024 12:005.9-0.07
10-11-2024 11:505.91-0.07
10-11-2024 11:405.91-0.07
10-11-2024 11:305.91-0.06
10-11-2024 11:205.88-0.06
10-11-2024 11:105.86-0.04
10-11-2024 11:005.79-0.07
10-11-2024 10:505.76-0.03
10-11-2024 10:405.69-0.03
10-11-2024 10:305.61-0.03
10-11-2024 10:205.52-0.03
10-11-2024 10:105.41-0.04
10-11-2024 10:005.33-0.01
10-11-2024 09:505.21-0.02
10-11-2024 09:405.07-0.04
10-11-2024 09:304.95-0.04
10-11-2024 09:204.85-0.01
10-11-2024 09:104.7-0.03
10-11-2024 09:004.57-0.03
10-11-2024 08:504.42-0.04
10-11-2024 08:404.3-0.03
10-11-2024 08:304.16-0.03
10-11-2024 08:204.04-0.02
10-11-2024 08:103.9-0.03
10-11-2024 08:003.79-0.02
10-11-2024 07:503.66-0.02
10-11-2024 07:403.54-0.03
10-11-2024 07:303.46-0
10-11-2024 07:203.34-0.02
10-11-2024 07:103.22-0.04
10-11-2024 07:003.13-0.04
10-11-2024 06:503.05-0.04
10-11-2024 06:402.98-0.03
10-11-2024 06:302.92-0.03
10-11-2024 06:202.88-0.02
10-11-2024 06:102.84-0.02
10-11-2024 06:002.81-0.01
10-11-2024 05:502.77-0.03
10-11-2024 05:402.75-0.03
10-11-2024 05:302.75-0.03
10-11-2024 05:202.74-0.04
10-11-2024 05:102.77-0.02
10-11-2024 05:002.8-0.01
10-11-2024 04:502.84-0.01
10-11-2024 04:402.86-0.02
10-11-2024 04:302.92-0.01
10-11-2024 04:202.980
10-11-2024 04:103.060.02
10-11-2024 04:003.110.01
10-11-2024 03:503.180
10-11-2024 03:403.26-0.01
10-11-2024 03:303.340
10-11-2024 03:203.440
10-11-2024 03:103.52-0.01
10-11-2024 03:003.6-0.02
10-11-2024 02:503.7-0.03
10-11-2024 02:403.81-0.02
10-11-2024 02:303.9-0.05
10-11-2024 02:204-0.05
10-11-2024 02:104.12-0.05
10-11-2024 02:004.19-0.09
10-11-2024 01:504.31-0.09
10-11-2024 01:404.43-0.09
10-11-2024 01:304.53-0.09
10-11-2024 01:204.64-0.09
10-11-2024 01:104.75-0.1
10-11-2024 01:004.86-0.1
10-11-2024 00:504.97-0.09
10-11-2024 00:405.06-0.09
10-11-2024 00:305.13-0.12
10-11-2024 00:205.24-0.1
10-11-2024 00:105.29-0.12