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 |
|---|---|---|
| 17-03-2025 04:30 | 4.92 | -0.04 |
| Next HW | Next LW |
|---|---|
| 06:58, 7.37 | 13:11, 1.07 |
| Date | Highest 2025 | Date | Lowest 2025 |
|---|---|---|---|
| 02-03 | 8.12m | 02-03 | 0.03m |
Port Isaac Predicted Tide Table (Chart Datum)
| 17-03-2025 | 18-03-2025 | 19-03-2025 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 06:58 19:12 | 7.37m 7.21m | High | 07:25 19:40 | 7.15m 6.97m | High | 07:54 20:09 | 6.85m 6.66m |
| Low | 00:55 13:11 | 0.95m 1.07m | Low | 01:21 13:35 | 1.14m 1.31m | Low | 01:47 14:01 | 1.40m 1.61m |
| 20-03-2025 | 21-03-2025 | 22-03-2025 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 08:24 20:42 | 6.48m 6.29m | High | 09:01 21:23 | 6.06m 5.88m | High | 09:48 22:23 | 5.62m 5.49m |
| Low | 02:16 14:31 | 1.74m 1.97m | Low | 02:51 15:07 | 2.14m 2.39m | Low | 03:38 15:59 | 2.57m 2.82m |
