The models are showing formation in the Carribean by Tuesday, the NHC states that slow development of a low pressure system in the Carribean Sea is likely over the next few days.
If this does occur, this would present the first real Gulf of Mexico threat for the 2007 Hurricane Season.
The official report:
MODEL DIAGNOSTIC DISCUSSION
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
1058 AM EDT FRI AUG 10 2007
…LOW FORMING/MOVING ACROSS THE WRN CARIBBEAN THIS WEEKEND…
REGARDING ITS POSITION…THE 00Z/12Z NAM ARE QUITE SIMILAR BY
13/12Z…HOWEVER THE LATEST RUN APPEARS A BIT MORE BULLISH
SPINNING THIS SYSTEM UP AND IS TRENDING DEEPER THAN THE PREVIOUS
RUN.