NOAA satellite shows a storm that is following the Cuban coastline.

September 9, 2017
1615 UTC
NOAA Water Vapor Satellite of the north and west hemisphere (click here for six-hour loop - thank you)

The storm has lost velocity. It will regain some when the 'eye' emerges from Cuba.

September 9, 2017
1430z
NOAA Water Vapor composite satellite of north and west hemisphere.