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 |
|---|---|---|
| 27-03-2025 00:00 | 3.33 | -0.08 |
| Next HW | Next LW |
|---|---|
| 03:41, 6.85 | 10:01, 1.29 |
| Date | Highest 2025 | Date | Lowest 2025 |
|---|---|---|---|
| 02-03 | 8.12m | 02-03 | 0.03m |
Port Isaac Predicted Tide Table (Chart Datum)
| 27-03-2025 | 28-03-2025 | 29-03-2025 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 03:41 16:06 | 6.85m 6.99m | High | 04:25 16:47 | 7.51m 7.59m | High | 05:06 17:27 | 8.03m 8.01m |
| Low | 10:01 22:23 | 1.29m 1.13m | Low | 10:45 23:05 | 0.68m 0.58m | Low | 11:26 23:45 | 0.24m 0.22m |
| 30-03-2025 | 31-03-2025 | 01-04-2025 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 05:47 18:07 | 8.34m 8.21m | High | 06:28 18:46 | 8.39m 8.16m | High | 07:09 19:27 | 8.17m 7.87m |
| Low | 12:07 | 0.03m | Low | 00:25 12:46 | 0.08m 0.08m | Low | 01:06 13:26 | 0.20m 0.37m |
