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
08-10-2026 06:503.64-0.25
 Next HWNext LW
15:45, 7.42 09:43, 1.46
Date Highest 2026 Date Lowest 2026
03-02 8.22m 19-04 0.29m
Time (GMT)ElevationResidual
11-06-2026 00:005.92-0.1
10-06-2026 23:505.82-0.09
10-06-2026 23:405.71-0.08
10-06-2026 23:305.57-0.09
10-06-2026 23:205.42-0.1
10-06-2026 23:105.32-0.05
10-06-2026 23:005.13-0.08
10-06-2026 22:504.96-0.09
10-06-2026 22:404.8-0.09
10-06-2026 22:304.61-0.11
10-06-2026 22:204.42-0.12
10-06-2026 22:104.24-0.13
10-06-2026 22:004.08-0.11
10-06-2026 21:503.91-0.11
10-06-2026 21:403.74-0.11
10-06-2026 21:303.56-0.12
10-06-2026 21:203.43-0.09
10-06-2026 21:103.24-0.13
10-06-2026 21:003.13-0.08
10-06-2026 20:502.99-0.08
10-06-2026 20:402.79-0.15
10-06-2026 20:302.7-0.12
10-06-2026 20:202.57-0.14
10-06-2026 20:102.47-0.14
10-06-2026 20:002.38-0.14
10-06-2026 19:502.3-0.15
10-06-2026 19:402.26-0.13
10-06-2026 19:302.22-0.12
10-06-2026 19:202.19-0.11
10-06-2026 19:102.15-0.14
10-06-2026 19:002.14-0.13
10-06-2026 18:502.15-0.12
10-06-2026 18:402.19-0.1
10-06-2026 18:302.24-0.09
10-06-2026 18:202.27-0.1
10-06-2026 18:102.35-0.07
10-06-2026 18:002.42-0.06
10-06-2026 17:502.5-0.05
10-06-2026 17:402.59-0.04
10-06-2026 17:302.68-0.05
10-06-2026 17:202.78-0.05
10-06-2026 17:102.91-0.03
10-06-2026 17:003.060.01
10-06-2026 16:503.15-0.03
10-06-2026 16:403.28-0.04
10-06-2026 16:303.41-0.03
10-06-2026 16:203.56-0.03
10-06-2026 16:103.67-0.07
10-06-2026 16:003.8-0.09
10-06-2026 15:503.96-0.07
10-06-2026 15:404.12-0.06
10-06-2026 15:304.26-0.09
10-06-2026 15:204.42-0.08
10-06-2026 15:104.57-0.08
10-06-2026 15:004.72-0.07
10-06-2026 14:504.85-0.09
10-06-2026 14:405.02-0.07
10-06-2026 14:305.14-0.08
10-06-2026 14:205.25-0.1
10-06-2026 14:105.39-0.08
10-06-2026 14:005.48-0.1
10-06-2026 13:505.59-0.1
10-06-2026 13:405.67-0.11
10-06-2026 13:305.76-0.1
10-06-2026 13:205.83-0.1
10-06-2026 13:105.89-0.1
10-06-2026 13:005.95-0.08
10-06-2026 12:505.97-0.09
10-06-2026 12:405.97-0.1
10-06-2026 12:305.97-0.1
10-06-2026 12:205.96-0.1
10-06-2026 12:105.92-0.11
10-06-2026 12:005.87-0.12
10-06-2026 11:505.83-0.1
10-06-2026 11:405.74-0.11
10-06-2026 11:305.65-0.12
10-06-2026 11:205.57-0.11
10-06-2026 11:105.46-0.11
10-06-2026 11:005.35-0.09
10-06-2026 10:505.23-0.09
10-06-2026 10:405.09-0.09
10-06-2026 10:304.95-0.09
10-06-2026 10:204.82-0.07
10-06-2026 10:104.65-0.08
10-06-2026 10:004.49-0.08
10-06-2026 09:504.34-0.07
10-06-2026 09:40--
10-06-2026 09:30--
10-06-2026 09:203.85-0.07
10-06-2026 09:103.69-0.06
10-06-2026 09:003.58-0.02
10-06-2026 08:503.42-0.03
10-06-2026 08:403.24-0.05
10-06-2026 08:303.09-0.05
10-06-2026 08:202.97-0.04
10-06-2026 08:102.83-0.05
10-06-2026 08:002.68-0.08
10-06-2026 07:502.58-0.07
10-06-2026 07:402.45-0.1
10-06-2026 07:302.37-0.09
10-06-2026 07:202.3-0.09
10-06-2026 07:102.21-0.11
10-06-2026 07:002.18-0.09
10-06-2026 06:502.14-0.09
10-06-2026 06:402.1-0.1
10-06-2026 06:302.11-0.08
10-06-2026 06:202.12-0.08
10-06-2026 06:102.11-0.1
10-06-2026 06:002.16-0.07
10-06-2026 05:502.21-0.06
10-06-2026 05:402.29-0.04
10-06-2026 05:302.34-0.05
10-06-2026 05:202.41-0.05
10-06-2026 05:102.52-0.03
10-06-2026 05:002.59-0.06
10-06-2026 04:502.69-0.06
10-06-2026 04:402.83-0.04
10-06-2026 04:302.96-0.03
10-06-2026 04:203.11-0.01
10-06-2026 04:103.24-0.02
10-06-2026 04:003.36-0.04
10-06-2026 03:503.54-0.01
10-06-2026 03:403.66-0.04
10-06-2026 03:303.81-0.05
10-06-2026 03:203.96-0.06
10-06-2026 03:104.12-0.06
10-06-2026 03:004.27-0.07
10-06-2026 02:504.43-0.08
10-06-2026 02:404.59-0.08
10-06-2026 02:304.74-0.08
10-06-2026 02:204.88-0.1
10-06-2026 02:105.07-0.05
10-06-2026 02:005.21-0.05
10-06-2026 01:505.38-0.02
10-06-2026 01:405.49-0.04
10-06-2026 01:305.55-0.1
10-06-2026 01:205.71-0.06
10-06-2026 01:105.81-0.06
10-06-2026 01:005.87-0.08
10-06-2026 00:505.91-0.11
10-06-2026 00:406-0.08
10-06-2026 00:306.07-0.07
10-06-2026 00:206.1-0.07
10-06-2026 00:106.11-0.07