Here is what the afternoon TWD mentions about the wave in the Caribbean:

CENTRAL CARIBBEAN TROPICAL WAVE IS ALONG 70W S OF 20N MOVING W
15 KT WITH A 1010 MB LOW NEAR 13N70W. THE WAVE HAS BEEN
REPOSITIONED SLIGHTLY TO THE E BASED ON SURFACE OBSERVATIONS
FROM THE ABC ISLANDS REPORTING LIGHT SW OR NW WINDS. PRESSURES
FALLS ARE OCCURRING WITH THIS WAVE THOUGH THE CONVECTION PATTERN
IS DISORGANIZED. A BAND OF TSTMS MOVING AWAY FROM THE WAVE IS
ALONG 17N71W TO 15N75W WITH WIDELY SCATTERED MODERATE CONVECTION
CLOSER TO THE BROAD LOW FROM 13N-15.5N BETWEEN 66W-71W. WITH
THE ITCZ SO FAR TO THE NORTH IN THE EPAC.. IT IS POSSIBLE THAT
THIS WAVE WILL ENCOUNTER A CYCLONIC LOW-LEVEL ENVIRONMENT
FAVORABLE FOR FURTHER DEVELOPMENT IN THE W CARIBBEAN IN A COUPLE
DAYS.