SW Caribbean.
NHC is saying that the current Low will probably move onshore before attaining any Tropical status.

2 AM Discussion here:
http://www.nhc.noaa.gov/text/refresh/MIATWDAT+shtml/170530.shtml?

Low level Center of Circ at this time appears to be just north of the center of the Honduran Coast. However, the mass of convection is situated to the NE of this point. All of the major convection is Northeast of the Nicaraguan/ Honduran Border.
Outflow is impressive from the SW Quad and around the Northern semicircle to the E Quad. Out flow at this time can be seen over the Southern half of the Florida Peninsula and south to the Florida Straits.

Tasking for the USAFR Hurricane Hunters is for a 1345Z takeoff Thursday, with an initial center fix time of 1800Z (1PM EST). With a 'follow on" mission tasked for the 18th at 1800Z...if the system remains offshore.