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 |
|---|---|---|
| 13-12-2025 15:50 | 3.61 | -0.19 |
| Next HW | Next LW |
|---|---|
| 00:36, 5.87 | 18:34, 2.54 |
| Date | Highest 2025 | Date | Lowest 2025 |
|---|---|---|---|
| 05-11 | 8.38m | 30-03 | -0.05m |
Port Isaac Predicted Tide Table (Chart Datum)
| 13-12-2025 | 14-12-2025 | 15-12-2025 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 12:00 | 6.12m | High | 00:36 13:04 | 5.87m 6.08m | High | 01:40 14:04 | 5.97m 6.15m |
| Low | 05:51 18:34 | 2.60m 2.54m | Low | 06:56 19:35 | 2.61m 2.50m | Low | 07:57 20:31 | 2.51m 2.36m |
| 16-12-2025 | 17-12-2025 | 18-12-2025 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 02:36 14:57 | 6.19m 6.30m | High | 03:24 15:44 | 6.44m 6.48m | High | 04:07 16:25 | 6.68m 6.64m |
| Low | 08:51 21:20 | 2.32m 2.17m | Low | 09:39 22:03 | 2.10m 1.98m | Low | 10:21 22:41 | 1.90m 1.81m |
