000 AGXX40 KNHC 170847 MIMATS Marine Weather Discussion NWS National Hurricane Center Miami FL 447 AM EDT Tue Sep 17 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... Weak surface low pressure off the coast of Texas will move inland through late today. High pressure will build over the north central Gulf tonight, supporting gentle to moderate winds through mid week, except for moderate to fresh winds off the west coast of Yucatan at night. The high pressure will dissipate later in the week in advance of a weak cold front that is forecast to move across the eastern Gulf of Mexico then stall and dissipate over the southeast Gulf Fri into Sat. Fresh winds and building seas will follow the front over the eastern Gulf Fri into Sat. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... Moderate to fresh trade winds will dominate much of the basin. Long period northerly swell will starting pushing through the Atlantic Ocean passages today. A tropical wave over the western Caribbean Sea will move west of the basin through mid week. Scattered thunderstorms and gusty winds accompany a second tropical wave currently in the eastern Caribbean that will move across the central Caribbean Sea Wed and Thu, and through the western Caribbean Sea Fri and Sat. A low pressure center developing east of the area will move toward the Atlantic Ocean offshore waters of the Leeward Islands by late Thu and Fri, possibly as a tropical cyclone. ...SW N ATLANTIC INCLUDING THE BAHAMAS... Hurricane Humberto is near 30.6N 74.3W 966 mb at 5 AM EDT moving ENE at 7 kt. Maximum sustained winds 80 kt gusts 100 kt. Humberto will move to 31.0N 73.0W this afternoon, 31.6N 70.7W Wed morning, then north of area to 32.5N 68.0W Wed afternoon. Humberto will move north of Bermuda Wed night and farther into the central north Atlantic waters through Sat, before weakening to an extratropical cyclone Sun. Northerly swell will follow across the open waters in the wake of Humberto. Looking ahead, a low pressure center developing tropical Atlantic will move toward waters off the Leeward Islands by late Thu and Fri, then north of the Virgin Islands by Sat, possibly as a tropical cyclone. $$ .WARNINGS...Any changes impacting coastal NWS offices will be coordinated through AWIPS II Collaboration Chat, or by telephone: .GULF OF MEXICO... None. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... None. .SW N ATLANTIC INCLUDING THE BAHAMAS... .AMZ113...ATLANTIC FROM 27N TO 31N BETWEEN 70W AND 77W... Hurricane Warning early today into tonight. .AMZ115...ATLANTIC FROM 27N TO 31N BETWEEN 65W AND 70W... Tropical Storm Warning tonight. $$ *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.