000 AGXX40 KNHC 130918 MIMATS Marine Weather Discussion NWS National Hurricane Center Miami FL 518 AM EDT Fri Sep 13 2019 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... High pressure over the southeastern United States will support moderate to fresh northeast to east winds into the weekend. Potential Tropical Cyclone Nine currently over the central Bahamas will track northwestward off the east coast of Florida through early next week. The gradient between the cyclone and the high pressure will allow for fresh winds over the NE Gulf Fri night into Sat along with building seas. Scattered showers and thunderstorms may spread westward from the Florida peninsula to the eastern Gulf through Sun. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... High pressure north of the area will maintain moderate trades, that will at times pulse to fresh to strong in the south central Caribbean. A tropical wave will cross from the central Caribbean into the western Caribbean today, then exit into Central America Sun. Another tropical wave will enter the tropical N Atlantic and eastern Caribbean tonight. A third and stronger tropical wave will approach the tropical N Atlantic and eastern Caribbean over the weekend into early next week, expected to bring widespread showers and thunderstorms, gusty winds and building seas. ...SW N ATLANTIC INCLUDING THE BAHAMAS... Potential Tropical Cyclone Nine is over the central Bahamas near 24.6N 75.2W 1009 mb at 5 AM EDT, moving NW at 5 kt. Maximum sustained winds are 25 kt with gusts to 35 kt. Nine will move to 25.1N 76.2W this afternoon, impacting Grand Bahama possibly as a tropical storm near 26.0N 77.8W Sat morning, before move northward to 27.0N 79.3W Sat afternoon, 28.2N 80.4W Sun morning, and 30.3N 81.1W Mon morning. Nine will change little in intensity as it moves north of the area off the coast of Georgia early Tue, then move eastward into the open Atlantic through Wed. Elsewhere, a tropical wave may approach the waters south of 22N early next week. $$ .WARNINGS...Any changes impacting coastal NWS offices will be coordinated through AWIPS II Collaboration Chat, or by telephone: .GULF OF MEXICO... None. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... None. .SW N ATLANTIC INCLUDING THE BAHAMAS... .AMZ111...ATLANTIC FROM 27N TO 31N W OF 77W... Tropical Storm Warning Sat into Sat night. .AMZ117...BAHAMAS INCLUDING CAY SAL BANK... Tropical Storm Warning tonight into Sat. $$ *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 Christensen. National Hurricane Center.