There does not seem to be anything that will pull this radically northward for a couple of days. At that time the extent of the trough along the east coast should be clear. It does seem that the strong upper high in the SE has move westward over the past 24 hours, which has deepened the trough a bit. The feature I will watch is the ULL which is somewhat removed from TD4 to the NW and its impact on the situation. It is not a vigorous ULL like we had involving Bonnie, but its presence in a day or so along the east coast of Florida will no doubt impact the trough and perhaps strengthen its effect. That is likely why the models take the system NW-NNW in a few days. Also the strength of the system will determine the degree of poleward drift; the weaker the less that will occur. I think in two days we will be able to get a firm grasp on this.
The system following looks as if it is still partially imbedded in the ITCZ.