The landfall location was essentially unmoved from 11AM to 5PM.
10:00 a.m.
http://www.nhc.noaa.gov/storm_graphics/AT18/refresh/AL1805W5_sm2+gif/145647W_sm.gif
4:00 p.m.
http://www.nhc.noaa.gov/storm_graphics/AT18/refresh/AL1805W_sm2+gif/204537W_sm.gif