Note that this conversion table is based on averages and are therefore only an approximate guide. More accurate times should be acquired from Tide Tables.
The conversions listed are applied to the times given in the Calendar for Dover. Thus for Lee-on-Solent +0025 means that high water occurs, on average, 25 minutes before High Water Dover.
The duration is the approximate time of Low Water before the High Water listed. For Dover Low Water will therefore be about 5 hours 5 minutes before the times of High Water listed.
| Port | Conversion | Duration |
| Lerwick | -0017 | 0620 |
| Kirkwall | -0042 | 0620 |
| Aberdeen | +0216 | 0620 |
| Fife Ness | +0320 | 0615 |
| Tynemouth | +0423 | 0604 |
| Bridlington | +0536 | 0610 |
| Great Yarmouth | -0225 | 0620 |
| Walton-on-the-Naze | +0024 | 0615 |
| Dover | - | 0505 |
| Lee-on-Solent | +0025 | (complex) |
| Weymouth | -0436 | (complex) |
| Brixham | -0505 | 0635 |
| Falmouth | -0612 | 0550 |
| Swansea | -0505 | 0620 |
| Milford Haven | -0510 | 0605 |
| Holyhead | -0055 | 0615 |
| Liverpool | -0003 | 0535 |
| Greenock | +0114 | 0640 |
| Oban | -0530 | 0610 |
| Stornoway | -0420 | 0610 |
| Bangor | +0007 | 0620 |