"Surface temperatures in the western North Atlantic. The North American landmass is black and dark blue (cold), while the Gulf Stream is red (warm). Source: NASA"
Don’t forget the Gulf Stream waters are warm.
Plus add the 12mph forward motion to the wind speed on the north side of the storm.
Add to that the tidal surge which could be as high as 15 feet that would flood most of the coastal areas withing five miles of the shore, topped off with drenching rains of 20+ inches.................
"Surface temperatures in the western North Atlantic. The North American landmass is black and dark blue (cold), while the Gulf Stream is red (warm). Source: NASA"