Timm,
I think you have more of a chance being affected by this storm in FL than in Negril. Looks to me like Rina won't even get near JA.
Check out this current update http://www.msnbc.msn.com/id/45027451/ns/weather/
The other system I saw on noaa is supposed to have a 30% chance of becomming a tropical storm. Let's hope the cooler seas won't feed these beasts.
Timm