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 HarmonicsLatest Tide Data (Predicted Tide Table)
| Time (GMT) | Elevation | Residual |
|---|---|---|
| 20-06-2025 07:20 | 2.4 | 0 |
| Next HW | Next LW |
|---|---|
| 12:07, 6.25 | 18:31, 2.06 |
| Date | Highest 2025 | Date | Lowest 2025 |
|---|---|---|---|
| 31-03 | 8.34m | 30-03 | -0.05m |
Port Isaac Predicted Tide Table (Chart Datum)
| 20-06-2025 | 21-06-2025 | 22-06-2025 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 12:07 | 6.25m | High | 00:41 13:15 | 6.54m 6.41m | High | 01:48 14:21 | 6.70m 6.67m |
| Low | 05:59 18:31 | 1.92m 2.06m | Low | 07:06 19:40 | 1.83m 1.88m | Low | 08:13 20:46 | 1.66m 1.62m |
| 23-06-2025 | 24-06-2025 | 25-06-2025 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 02:52 15:22 | 6.91m 6.98m | High | 03:53 16:19 | 7.13m 7.26m | High | 04:49 17:12 | 7.29m 7.46m |
| Low | 09:16 21:48 | 1.45m 1.35m | Low | 10:15 22:45 | 1.25m 1.12m | Low | 11:09 23:39 | 1.11m 0.98m |
