Watches mean hurricane conditions are likely within 36 hours.
Warnings mean hurricane conditions are expected within 24 hours.

Changing watches to warnings is part of the game and to be expected.

Updated the graphic but since the center was almost due-west from the hour before, we can chalk it up to lots of wobbling while reforming the center. Dropped the heading info accordingly though.

From the discussion:

AT 11 PM EDT...0300Z...A HURRICANE WARNING IS IN EFFECT FOR ALL OF
THE FLORIDA KEYS...INCLUDING THE DRY TORTUGAS AND FLORIDA BAY. A
HURRICANE WARNING IS ALSO NOW IN EFFECT ALONG THE FLORIDA WEST
COAST FROM LONGBOAT KEY SOUTHWARD...AND ALONG THE FLORIDA EAST
COAST FROM JUPITER INLET SOUTHWARD...INCLUDING LAKE OKEECHOBEE.