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 |
|---|---|---|
| 05-12-2025 01:30 | 3.53 | 0.07 |
| Next HW | Next LW |
|---|---|
| 04:58, 7.82 | 11:22, 0.81 |
| Date | Highest 2025 | Date | Lowest 2025 |
|---|---|---|---|
| 05-11 | 8.38m | 30-03 | -0.05m |
Port Isaac Predicted Tide Table (Chart Datum)
| 05-12-2025 | 06-12-2025 | 07-12-2025 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 04:58 17:26 | 7.82m 7.83m | High | 05:47 18:15 | 7.90m 7.75m | High | 06:36 19:04 | 7.82m 7.51m |
| Low | 11:22 23:45 | 0.81m 0.84m | Low | 12:13 | 0.80m | Low | 00:33 13:03 | 0.96m 0.95m |
| 08-12-2025 | 09-12-2025 | 10-12-2025 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 07:24 19:53 | 7.60m 7.18m | High | 08:14 20:43 | 7.28m 6.80m | High | 09:04 21:34 | 6.93m 6.43m |
| Low | 01:21 13:53 | 1.20m 1.22m | Low | 02:09 14:44 | 1.51m 1.56m | Low | 02:59 15:37 | 1.86m 1.91m |
