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 |
|---|---|---|
| 21-05-2026 10:30 | 5.49 | -0.13 |
| Next HW | Next LW |
|---|---|
| 20:56, 6.96 | 14:50, 1.62 |
| Date | Highest 2026 | Date | Lowest 2026 |
|---|---|---|---|
| 03-02 | 8.22m | 19-04 | 0.29m |
Port Isaac Predicted Tide Table (Chart Datum)
| 21-05-2026 | 22-05-2026 | 23-05-2026 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 08:34 20:56 | 6.91m 6.96m | High | 09:31 21:56 | 6.50m 6.61m | High | 10:33 23:02 | 6.17m 6.36m |
| Low | 02:32 14:50 | 1.27m 1.62m | Low | 03:30 15:49 | 1.63m 1.98m | Low | 04:33 16:54 | 1.94m 2.23m |
| 24-05-2026 | 25-05-2026 | 26-05-2026 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 11:41 | 6.00m | High | 00:11 12:49 | 6.26m 6.01m | High | 01:16 13:51 | 6.30m 6.18m |
| Low | 05:40 18:03 | 2.12m 2.33m | Low | 06:47 19:09 | 2.16m 2.26m | Low | 07:48 20:09 | 2.07m 2.09m |
