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 |
|---|---|---|
| 20-04-2025 07:30 | 5.13 | 0.22 |
| Next HW | Next LW |
|---|---|
| 09:30, 5.71 | 15:40, 2.70 |
| Date | Highest 2025 | Date | Lowest 2025 |
|---|---|---|---|
| 31-03 | 8.34m | 30-03 | -0.05m |
Port Isaac Predicted Tide Table (Chart Datum)
| 20-04-2025 | 21-04-2025 | 22-04-2025 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 09:30 22:03 | 5.71m 5.71m | High | 10:39 23:26 | 5.43m 5.57m | High | 12:11 | 5.43m |
| Low | 03:21 15:40 | 2.44m 2.70m | Low | 04:31 17:03 | 2.71m 2.93m | Low | 06:00 18:42 | 2.73m 2.81m |
| 23-04-2025 | 24-04-2025 | 25-04-2025 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 00:55 13:36 | 5.79m 5.81m | High | 02:07 14:40 | 6.31m 6.42m | High | 03:03 15:30 | 6.94m 7.06m |
| Low | 07:25 20:01 | 2.39m 2.35m | Low | 08:31 20:59 | 1.84m 1.74m | Low | 09:24 21:49 | 1.23m 1.13m |
