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 |
|---|---|---|
| 09-11-2025 10:40 | 4.45 | 0.12 |
| Next HW | Next LW |
|---|---|
| 20:01, 7.16 | 13:58, 1.31 |
| Date | Highest 2025 | Date | Lowest 2025 |
|---|---|---|---|
| 05-11 | 8.38m | 30-03 | -0.05m |
Port Isaac Predicted Tide Table (Chart Datum)
| 09-11-2025 | 10-11-2025 | 11-11-2025 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 07:31 20:01 | 7.56m 7.16m | High | 08:21 20:55 | 7.09m 6.61m | High | 09:19 21:58 | 6.61m 6.13m |
| Low | 01:27 13:58 | 1.17m 1.31m | Low | 02:16 14:53 | 1.66m 1.80m | Low | 03:12 15:57 | 2.16m 2.24m |
| 12-11-2025 | 13-11-2025 | 14-11-2025 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 10:28 23:11 | 6.24m 5.84m | High | 11:46 | 6.09m | High | 00:30 13:00 | 5.82m 6.18m |
| Low | 04:19 17:11 | 2.56m 2.52m | Low | 05:36 18:28 | 2.74m 2.55m | Low | 06:52 19:36 | 2.67m 2.39m |
