000 AGXX40 KNHC 311742 MIMATS Marine Weather Discussion NWS National Hurricane Center Miami FL 142 PM EDT Wed Oct 31 2018 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 surface ridge extends across the basin from a 1023 mb high centered over the Carolinas. A strong cold front is expected to move off the Texas coast early Thu with strong S to SW wind flow ahead of it, and gale-force wind gusts. The front will reach from the mouth of the Mississippi River to near Veracruz, Mexico Thu evening, from near Tampa Bay to the central Yucatan Peninsula Fri evening, then stall across the Straits of Florida to Cancun, Mexico Sat morning before drifting NW through Sun. A squall line with strong thunderstorms is expected ahead of the front over the northern Gulf tonight through Thu evening with brief gale-force winds possible in the squalls. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... A stationary front extends from the west Atlantic to the windward passage. Scattered showers are noted in the vicinity of Jamaica, Hispaniola and eastern Cuba. In the far southwest Caribbean, scattered showers and isolated strong convection are south of 10N near NW Colombia and the coast of Panama due to the monsoon trough proximity. High pressure centered along the SE U.S. coast will shift E and across Bermuda through Thu afternoon and act to freshen the tradewinds across the central Caribbean. The high will then continue to shift ENE and across the central Atlc through the weekend to produce fresh to strong tradewinds across the tropical Atlc and Caribbean east of 80W. A Gulf of Mexico cold front will move SE to the Yucatan Channel and far NW Caribbean Sat morning and stall, then drift NW and back into the Gulf late Sat and Sun. ...SW N ATLANTIC INCLUDING THE BAHAMAS... A cold front enters the area near 31N62W to 24N80W. To the east, another cold front extends from 28N60W to 23N69W, then becomes stationary to 19N76W. These fronts are located southwest of Hurricane Oscar. The frontal boundaries from the central Atlc to the southern Bahamas will become aligned E to W and merge along 20N- 21N by Fri evening as strong high pressure to the N shifts eastward along 33N. Moderate swell associated with exiting Oscar over the central Atlc will affect waters E of the Bahamas through Thu. Another cold front will move offshore of N Florida early Sat with strong southerly flow ahead of it Fri. the front is expected to weaken and stall from near 31N73W to the Florida Keys Sat evening before shifting NW Sat night through 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 Latto. National Hurricane Center.