000 AGXX40 KNHC 191800 MIMATS Marine Weather Discussion NWS National Hurricane Center Miami FL 100 PM EST Tue Nov 19 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 high pressure over the western Gulf will shift NE through Wed. Fresh to strong SE return flow will develop over the NW Gulf Wed through Thu. A cold front will move off the Texas coast late Fri, followed by fresh to strong northerly winds Fri night into Sat. The front will rapidly move across the basin, and begin to weaken as it reaches the far SE Gulf Sat night. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... Tropical Storm Sebastien is centered near 20.1N 58.7W 1008 mb at 10 AM EST moving NNW at 7 kt. Maximum sustained winds 40 kt gusts 50 kt. Sebastien will move to 21.0N 59.2W this evening, 22.2N 60.0W Wed morning, then continue moving northward away from the area. Elsewhere, a weak trough extending from the Windward Passage across eastern Jamaica and into the SW Caribbean will dissipate tonight. A tropical wave with axis near 71W will weaken late tonight into Wed as it moves across the central Caribbean. Fresh to strong NE winds will prevail through the Windward Passage Wed night through Fri. ...SW N ATLANTIC INCLUDING THE BAHAMAS... Tropical Storm Sebastien is centered near 20.1N 58.7W 1008 mb at 10 AM EST moving NNW at 7 kt. Maximum sustained winds 40 kt gusts 50 kt. Sebastien will move to 21.0N 59.2W this evening, 22.2N 60.0W Wed morning, then continue moving northward away from the area. Elsewhere, a stationary front extends from near 31N65W to 27N66W to near the Windward Passage. This front is expected to dissipate later today or tonight. Another forming cold front will quickly move across the northern waters tonight through Wed night, with fresh to strong W to NW winds developing behind the front. Sebastien will become merged into the frontal system by Thu night. High pressure will build across the northern waters Thu through Sat. Yet another cold front may move off the NE Florida coast late Sat night. $$ .WARNINGS...Any changes impacting coastal NWS offices will be coordinated through AWIPS II Collaboration Chat, or by telephone: .GULF OF MEXICO... None. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... None. .SW N ATLANTIC INCLUDING THE BAHAMAS... .AMZ127...ATLANTIC FROM 19N TO 22N BETWEEN 55W AND 65W... Tropical Storm Warning today into Wed. $$ *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 Reinhart. National Hurricane Center.