It is holding its own even as dry air to the north and medium wind shear try to knock it down.
A recon plane is investigating "Bertha" to get a better handle on its health.
"Bertha" should impact the islands over the next two days . If it doesn't get any stronger (most models keep it as a storm) it should dump much needed rain over the region.
From Puerto Rico through Barbados, they've been dealing with water shortages since last year.
This could be just enough to allow "Bertha" a little intensification.
The same stationary front across Northern Florida should act as a wall blocking "Bertha" from entering the area.
The official cone of concern keeps the system offshore through its duration