000 AGXX40 KNHC 190717 MIMATS Marine Weather Discussion NWS National Hurricane Center Miami FL 317 AM EDT Wed Aug 19 2020 Marine Weather Discussion for the Gulf of Mexico, Caribbean Sea, and Tropical North Atlantic from 07N to 19N between 55W and 64W and the Southwest North Atlantic including the Bahamas ...GULF OF MEXICO... A weak pressure pattern will prevail across the Gulf through Wed night before high pressure over the central Atlantic builds modestly across Florida and into the eastern basin Thu through Fri. Looking ahead, fresh to strong winds are expected over the south central Gulf Sat and Sun with and ahead of a potential low pressure approaching the region from the northwest Caribbean and Cuba. This low has a potential for tropical development. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... A strong tropical wave is moving west near 20 kt across the eastern Caribbean Sea this evening. This fast motion should limit development through Wed, but as the wave begins to slow down by late week in the western Caribbean, environmental conditions should become more favorable for the development of a tropical depression. There is a medium chance of tropical development through Thu, then a high chance through the weekend. Looking ahead, low pressure associated with another tropical wave is expected to move across the Tropical N Atlc waters late Thu and approach the Atlantic waters off the Leeward Islands late Fri. ...SW N ATLANTIC INCLUDING THE BAHAMAS... A broad and elongated area of low pressure in the central tropical Atlantic is in an environment favorable for tropical development and a tropical depression is expected to form in the next day or so as it moves WNW at 15 to 20 mph. There is a high chance of tropical formation in the next 48 hours. This system is forecast to approach the Leeward Islands Fri, move across or just north of the Virgin Islands and Puerto Rico Sat, and then through the southern Bahamas Sat night and Sun. $$ .WARNINGS...Any changes impacting coastal NWS offices will be coordinated through AWIPS II Collaboration Chat, or by telephone: .GULF OF MEXICO... None. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... None. .SW N ATLANTIC INCLUDING THE BAHAMAS... None. $$ *For detailed zone descriptions, please visit: http://www.nhc.noaa.gov/abouttafbprod.shtml#OWF Note: gridded marine forecasts are available in the National Digital Forecast Database (NDFD) at: http://www.nhc.noaa.gov/marine/grids.php For additional information, please visit: http://www.nhc.noaa.gov/marine $$ .Forecaster KONARIK. National Hurricane Center.