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
09-02-2025 15:106.140.05
 Next HWNext LW
15:18, 6.10 21:41, 2.10
Date Highest 2025 Date Lowest 2025
01-02 7.91m 01-02 0.57m

Port Isaac Predicted Tide Table (Chart Datum)

09-02-202510-02-202511-02-2025
 Time (GMT)Height Time (GMT)Height Time (GMT)Height
High02:39
15:18
6.01m
6.10m
High03:47
16:18
6.45m
6.51m
High04:39
17:04
6.91m
6.90m
Low09:14
21:41
2.20m
2.10m
Low10:17
22:36
1.77m
1.68m
Low11:06
23:19
1.37m
1.32m
12-02-202513-02-202514-02-2025
 Time (GMT)Height Time (GMT)Height Time (GMT)Height
High05:21
17:42
7.28m
7.18m
High05:58
18:17
7.49m
7.32m
High06:31
18:48
7.57m
7.34m
Low11:46
23:57
1.08m
1.07m
Low12:21
0.94m
Low00:30
12:52
0.96m
0.93m