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 |
|---|---|---|
| 09-03-2026 05:00 | 3.43 | -0.05 |
| Next HW | Next LW |
|---|---|
| 08:32, 6.65 | 14:39, 1.9 |
| Date | Highest 2026 | Date | Lowest 2026 |
|---|---|---|---|
| 03-02 | 8.22m | 20-02 | 0.5m |
Port Isaac Predicted Tide Table (Chart Datum)
| 09-03-2026 | 10-03-2026 | 11-03-2026 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 08:32 20:49 | 6.65m 6.40m | High | 09:06 21:27 | 6.17m 5.94m | High | 09:49 22:20 | 5.67m 5.50m |
| Low | 02:24 14:39 | 1.63m 1.90m | Low | 02:56 15:13 | 2.08m 2.35m | Low | 03:38 15:59 | 2.55m 2.82m |
| 12-03-2026 | 13-03-2026 | 14-03-2026 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 10:52 23:46 | 5.22m 5.20m | High | 12:36 | 5.03m | High | 01:37 14:22 | 5.32m 5.32m |
| Low | 04:42 17:17 | 2.99m 3.20m | Low | 06:21 19:15 | 3.19m 3.22m | Low | 08:02 20:40 | 2.95m 2.82m |
