On average over the last two weeks, high tides arrived at Dover around 15 minutes after they arrived at Folkestone, but this difference varied by as much as 8 minutes either way.
Dover
» 15 min »
Folkestone
+/- 8 min
Select other locations below to see how their high tide times differ.
Example Time Differences:
Try a few of these examples to see how high tides can differ between locations: