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
27-03-2025 00:504.41-0.05
 Next HWNext LW
03:41, 6.85 10:01, 1.29
Date Highest 2025 Date Lowest 2025
02-03 8.12m 02-03 0.03m
Time (GMT)ElevationResidual
15-01-2025 00:000.98-0.24
14-01-2025 23:501.04-0.21
14-01-2025 23:401.14-0.17
14-01-2025 23:301.16-0.23
14-01-2025 23:201.29-0.2
14-01-2025 23:101.34-0.26
14-01-2025 23:001.5-0.23
14-01-2025 22:501.64-0.24
14-01-2025 22:401.79-0.25
14-01-2025 22:301.94-0.28
14-01-2025 22:202.15-0.26
14-01-2025 22:102.35-0.26
14-01-2025 22:002.52-0.29
14-01-2025 21:502.76-0.27
14-01-2025 21:402.97-0.29
14-01-2025 21:303.23-0.26
14-01-2025 21:203.48-0.25
14-01-2025 21:103.69-0.28
14-01-2025 21:003.96-0.24
14-01-2025 20:504.19-0.26
14-01-2025 20:404.42-0.27
14-01-2025 20:304.69-0.24
14-01-2025 20:204.94-0.21
14-01-2025 20:105.18-0.2
14-01-2025 20:005.42-0.19
14-01-2025 19:505.66-0.17
14-01-2025 19:405.83-0.2
14-01-2025 19:306.08-0.15
14-01-2025 19:206.24-0.17
14-01-2025 19:106.45-0.12
14-01-2025 19:006.55-0.17
14-01-2025 18:506.73-0.12
14-01-2025 18:406.87-0.1
14-01-2025 18:306.96-0.1
14-01-2025 18:207.01-0.12
14-01-2025 18:107.09-0.09
14-01-2025 18:007.11-0.09
14-01-2025 17:507.12-0.08
14-01-2025 17:407.07-0.11
14-01-2025 17:307.04-0.08
14-01-2025 17:206.97-0.08
14-01-2025 17:106.88-0.07
14-01-2025 17:006.76-0.08
14-01-2025 16:506.6-0.1
14-01-2025 16:406.46-0.07
14-01-2025 16:306.26-0.09
14-01-2025 16:206.03-0.11
14-01-2025 16:105.84-0.09
14-01-2025 16:005.63-0.07
14-01-2025 15:505.35-0.11
14-01-2025 15:405.14-0.07
14-01-2025 15:304.82-0.13
14-01-2025 15:204.58-0.11
14-01-2025 15:104.34-0.09
14-01-2025 15:004.05-0.11
14-01-2025 14:503.79-0.11
14-01-2025 14:403.55-0.09
14-01-2025 14:303.31-0.07
14-01-2025 14:203.06-0.08
14-01-2025 14:102.79-0.11
14-01-2025 14:002.59-0.07
14-01-2025 13:502.37-0.07
14-01-2025 13:402.16-0.09
14-01-2025 13:301.97-0.08
14-01-2025 13:201.78-0.1
14-01-2025 13:101.64-0.08
14-01-2025 13:001.51-0.07
14-01-2025 12:501.39-0.07
14-01-2025 12:401.28-0.08
14-01-2025 12:301.15-0.13
14-01-2025 12:201.1-0.12
14-01-2025 12:101.1-0.08
14-01-2025 12:001.06-0.1
14-01-2025 11:501.06-0.11
14-01-2025 11:401.02-0.17
14-01-2025 11:301.09-0.15
14-01-2025 11:201.14-0.17
14-01-2025 11:101.24-0.16
14-01-2025 11:001.35-0.15
14-01-2025 10:501.4-0.22
14-01-2025 10:401.56-0.21
14-01-2025 10:301.72-0.2
14-01-2025 10:201.9-0.2
14-01-2025 10:102.08-0.2
14-01-2025 10:002.27-0.21
14-01-2025 09:502.45-0.23
14-01-2025 09:402.65-0.24
14-01-2025 09:302.88-0.24
14-01-2025 09:203.12-0.23
14-01-2025 09:103.34-0.24
14-01-2025 09:003.59-0.22
14-01-2025 08:503.79-0.26
14-01-2025 08:404.02-0.27
14-01-2025 08:304.33-0.2
14-01-2025 08:204.58-0.19
14-01-2025 08:104.82-0.18
14-01-2025 08:005.07-0.17
14-01-2025 07:505.28-0.19
14-01-2025 07:405.51-0.18
14-01-2025 07:305.69-0.21
14-01-2025 07:205.98-0.13
14-01-2025 07:106.13-0.17
14-01-2025 07:006.31-0.18
14-01-2025 06:506.52-0.14
14-01-2025 06:406.66-0.15
14-01-2025 06:306.82-0.13
14-01-2025 06:206.95-0.12
14-01-2025 06:107.04-0.12
14-01-2025 06:007.1-0.15
14-01-2025 05:507.18-0.12
14-01-2025 05:407.2-0.13
14-01-2025 05:307.21-0.14
14-01-2025 05:207.22-0.12
14-01-2025 05:107.17-0.13
14-01-2025 05:007.12-0.12
14-01-2025 04:507.03-0.12
14-01-2025 04:406.92-0.13
14-01-2025 04:306.81-0.12
14-01-2025 04:206.62-0.16
14-01-2025 04:106.49-0.12
14-01-2025 04:006.34-0.08
14-01-2025 03:506.11-0.11
14-01-2025 03:405.89-0.12
14-01-2025 03:305.67-0.11
14-01-2025 03:205.41-0.13
14-01-2025 03:105.21-0.09
14-01-2025 03:004.97-0.07
14-01-2025 02:504.71-0.07
14-01-2025 02:404.46-0.06
14-01-2025 02:304.22-0.04
14-01-2025 02:203.94-0.06
14-01-2025 02:103.65-0.1
14-01-2025 02:003.42-0.08
14-01-2025 01:503.18-0.08
14-01-2025 01:402.89-0.13
14-01-2025 01:302.64-0.15
14-01-2025 01:202.49-0.09
14-01-2025 01:102.25-0.13
14-01-2025 01:001.99-0.2
14-01-2025 00:501.83-0.19
14-01-2025 00:401.7-0.17
14-01-2025 00:301.58-0.15
14-01-2025 00:201.48-0.13
14-01-2025 00:101.35-0.16