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 |
|---|---|---|
| 27-04-2025 02:30 | 5.71 | -0.12 |
| Next HW | Next LW |
|---|---|
| 04:37, 7.97 | 10:57, 0.35 |
| Date | Highest 2025 | Date | Lowest 2025 |
|---|---|---|---|
| 31-03 | 8.34m | 30-03 | -0.05m |
Port Isaac Predicted Tide Table (Chart Datum)
| 27-04-2025 | 28-04-2025 | 29-04-2025 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 04:37 16:59 | 7.98m 7.98m | High | 05:21 17:42 | 8.20m 8.12m | High | 06:05 18:25 | 8.17m 8.04m |
| Low | 10:57 23:19 | 0.35m 0.32m | Low | 11:41 | 0.22m | Low | 00:03 12:24 | 0.25m 0.33m |
| 30-04-2025 | 01-05-2025 | 02-05-2025 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 06:50 19:09 | 7.90m 7.75m | High | 07:36 19:54 | 7.45m 7.30m | High | 08:24 20:44 | 6.88m 6.79m |
| Low | 00:47 13:07 | 0.41m 0.65m | Low | 01:33 13:51 | 0.78m 1.13m | Low | 02:21 14:38 | 1.28m 1.67m |
