Looks like eye trying to close as Isaias goes over the Gulf Stream make pass close to or over the coast in Martin. Gulf Stream from Palm Beach inlet is 1-2 miles and 6 here from Martin County.
Martin County EOC has these weather sites to observe
http://martin.weatherstem.com
I want no part of it!. Already in my storm prep mode down here in S FL for that wave coming off Africa, making sure storm kit is up to date with supplies and running my generator.