paradise island ramp tides

how much difference is there between the high tide time at the paradise island ramp and charleston harbor ?

About an hour and twenty minutes:

http://www.tides4fishing.com/us/south-carolina/fort-sumter

http://www.tides4fishing.com/us/south-carolina/big-paradise-island

Semper Fi
18’ Sterling
115 Yamaha
Big Ugly Homemade Blue Push Pole

thats a good link- thanks