000 AGXX40 KNHC 140546 AAA MIMATS Marine Weather Discussion...UPDATED NWS National Hurricane Center Miami FL 146 AM EDT Sat Oct 14 2017 Correction to Tropical N Atantic section. 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 trough extending SW from Tampa Bay to the Yucatan Peninsula will move W today becoming orientated from 28N94W to 19N91W, with a 1013 mb surface low developing along the trough near 23N92W on Sun. The low will drift N and dissipate on Sun night. The next cold front is forecast to reach along the Tx coast late Sun, with the front then racing E to a position from the Fl Big Bend to 23N93W to the Bay of Campeche late Mon, and then stalling from Tampa Bay to 25N91W to 18N93W late Tue night. Fresh to locally strong N winds will follow the front, except increasing to minimal gale force NW flow within 90 nm of the Mexican coast between 94W and 97W beginning late Mon, and continuing through late Tue, with seas building to a max of 13 ft. Strong post-gale NW flow will then continue through Tue night into Wed morning before diminishing. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... A tropical wave will move W through the Gulf of Honduras today with a slight enhancement of convection. Strong NE trades, with seas of 6-8 ft, will continue along the NW coast of Colombia through late morning. A tropical wave currently S of 21N between 58W-62W is accompanied by considerable convection within 270 nm E of the wave axis where scatterometer winds are 25-35 kt in the stronger cells, and a fresh to locally strong NE-E-SE wind shift. The wave is forecast to move W through the E Caribbean through tonight, and reach the Central Caribbean on Mon and Tue, with fresh trades setting E of the wave axis through the middle of next week. ...SW N ATLANTIC INCLUDING THE BAHAMAS... A surface trough extending NE from the Central Bahamas to near 31N69W will continue moving W today and Sun, reaching near 80W early Mon, all the while accompanied by a moderate NE-E-SE wind shift and ISOL TS. The northern extension of a tropical wave, currently across the tropical waters along 60W, will continue W reaching the vicinity of the SE Bahamas early Mon, and continue W through the Old Bahama Channel through the middle of the week, followed by fresh SE winds. A cold front will enter the NW waters on Mon night, reach from 31N63W to the Central Bahamas on Wed. Fresh to locally strong NE winds are forecast N of 29N W of 76W on Mon night into Tue. $$ .WARNINGS...Any changes impacting coastal NWS offices will be coordinated through AWIPS II Collaboration Chat, or by telephone: .GULF OF MEXICO... .GMZ023...SW GULF S OF 22N W OF 94W... GALE CONDITIONS POSSIBLE Mon into Tue night. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... None. .SW N ATLANTIC INCLUDING THE BAHAMAS... None. $$ *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 Nelson. National Hurricane Center.