It's not time to panic: Hurricane Maria is just entering the Caribbean, and may follow close to Irma's path, but Maria is not (at this time) forecast to become as strong, nor is she forecast to visit Florida.
Maria was upgraded to a hurricane Sunday evening.
It may be a bit early to know Maria's future path. Computer models have the storm turning north before reaching Florida, but that, as we know, is subject to change.
Islands in the Caribbean area already facing hurricane warnings.