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
11-04-2026 11:505.05-0.09
 Next HWNext LW
00:39, 5.41 18:18, 3.16
Date Highest 2026 Date Lowest 2026
03-02 8.22m 21-03 0.31m
Time (GMT)ElevationResidual
10-03-2026 00:003.87-0.14
09-03-2026 23:504.05-0.15
09-03-2026 23:404.22-0.17
09-03-2026 23:304.42-0.14
09-03-2026 23:204.63-0.12
09-03-2026 23:104.78-0.15
09-03-2026 23:004.99-0.11
09-03-2026 22:505.18-0.09
09-03-2026 22:405.34-0.1
09-03-2026 22:305.49-0.09
09-03-2026 22:205.66-0.07
09-03-2026 22:105.77-0.09
09-03-2026 22:005.89-0.09
09-03-2026 21:506.01-0.08
09-03-2026 21:406.15-0.03
09-03-2026 21:306.19-0.07
09-03-2026 21:206.29-0.02
09-03-2026 21:106.31-0.05
09-03-2026 21:006.32-0.07
09-03-2026 20:506.37-0.03
09-03-2026 20:406.34-0.05
09-03-2026 20:306.31-0.06
09-03-2026 20:206.29-0.04
09-03-2026 20:106.25-0.03
09-03-2026 20:006.20
09-03-2026 19:506.08-0.03
09-03-2026 19:406.020.02
09-03-2026 19:305.84-0.04
09-03-2026 19:205.73-0.02
09-03-2026 19:105.58-0.03
09-03-2026 19:005.39-0.07
09-03-2026 18:505.24-0.06
09-03-2026 18:405.06-0.07
09-03-2026 18:304.92-0.02
09-03-2026 18:204.72-0.03
09-03-2026 18:104.56-0.01
09-03-2026 18:004.34-0.04
09-03-2026 17:504.16-0.03
09-03-2026 17:403.95-0.04
09-03-2026 17:303.78-0.03
09-03-2026 17:203.6-0.02
09-03-2026 17:103.39-0.05
09-03-2026 17:003.23-0.03
09-03-2026 16:503.06-0.02
09-03-2026 16:402.9-0.03
09-03-2026 16:302.7-0.08
09-03-2026 16:202.57-0.06
09-03-2026 16:102.46-0.03
09-03-2026 16:002.34-0.04
09-03-2026 15:502.24-0.03
09-03-2026 15:402.14-0.04
09-03-2026 15:302.03-0.06
09-03-2026 15:202.01-0.02
09-03-2026 15:101.93-0.04
09-03-2026 15:001.88-0.05
09-03-2026 14:501.88-0.03
09-03-2026 14:401.84-0.06
09-03-2026 14:301.86-0.04
09-03-2026 14:201.88-0.04
09-03-2026 14:101.91-0.05
09-03-2026 14:001.98-0.04
09-03-2026 13:502.05-0.03
09-03-2026 13:402.13-0.04
09-03-2026 13:302.23-0.03
09-03-2026 13:202.35-0.02
09-03-2026 13:102.47-0.03
09-03-2026 13:002.6-0.04
09-03-2026 12:502.71-0.08
09-03-2026 12:402.9-0.05
09-03-2026 12:303.06-0.06
09-03-2026 12:203.23-0.07
09-03-2026 12:103.4-0.09
09-03-2026 12:003.6-0.08
09-03-2026 11:503.78-0.1
09-03-2026 11:403.98-0.1
09-03-2026 11:304.17-0.11
09-03-2026 11:204.39-0.09
09-03-2026 11:104.57-0.12
09-03-2026 11:004.77-0.11
09-03-2026 10:504.97-0.11
09-03-2026 10:405.16-0.11
09-03-2026 10:305.34-0.11
09-03-2026 10:205.5-0.13
09-03-2026 10:105.71-0.09
09-03-2026 10:005.82-0.13
09-03-2026 09:505.96-0.13
09-03-2026 09:406.08-0.14
09-03-2026 09:306.26-0.08
09-03-2026 09:206.35-0.08
09-03-2026 09:106.46-0.05
09-03-2026 09:006.55-0.02
09-03-2026 08:506.56-0.06
09-03-2026 08:406.61-0.04
09-03-2026 08:306.63-0.02
09-03-2026 08:206.59-0.05
09-03-2026 08:106.56-0.04
09-03-2026 08:006.52-0.04
09-03-2026 07:506.43-0.05
09-03-2026 07:406.36-0.03
09-03-2026 07:306.28-0.01
09-03-2026 07:206.13-0.04
09-03-2026 07:106-0.03
09-03-2026 07:005.83-0.05
09-03-2026 06:505.67-0.05
09-03-2026 06:405.53-0.02
09-03-2026 06:305.3-0.06
09-03-2026 06:205.12-0.04
09-03-2026 06:104.91-0.05
09-03-2026 06:004.71-0.05
09-03-2026 05:504.52-0.03
09-03-2026 05:404.31-0.01
09-03-2026 05:304.07-0.05
09-03-2026 05:203.87-0.03
09-03-2026 05:103.64-0.05
09-03-2026 05:003.43-0.05
09-03-2026 04:503.23-0.05
09-03-2026 04:403.07-0.02
09-03-2026 04:302.85-0.04
09-03-2026 04:202.64-0.08
09-03-2026 04:102.47-0.08
09-03-2026 04:002.35-0.04
09-03-2026 03:502.22-0.03
09-03-2026 03:402.07-0.05
09-03-2026 03:301.98-0.02
09-03-2026 03:201.89-0
09-03-2026 03:101.77-0.05
09-03-2026 03:001.71-0.03
09-03-2026 02:501.64-0.05
09-03-2026 02:401.63-0.02
09-03-2026 02:301.59-0.05
09-03-2026 02:201.61-0.02
09-03-2026 02:101.660.01
09-03-2026 02:001.64-0.04
09-03-2026 01:501.67-0.06
09-03-2026 01:401.79-0.01
09-03-2026 01:301.84-0.04
09-03-2026 01:202.020.05
09-03-2026 01:102.07-0.01
09-03-2026 01:002.2-0.02
09-03-2026 00:502.380.02
09-03-2026 00:402.5-0.02
09-03-2026 00:302.66-0.02
09-03-2026 00:202.870.01
09-03-2026 00:103.070.01