000 AGXX40 KNHC 161830 MIMATS Marine Weather Discussion NWS National Hurricane Center Miami FL 230 PM EDT Mon Oct 16 2017 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 broad trough along 92W will be absorbed today by a cold front currently extending SW from near Apalachicola Florida to 26N93W to just NW of Veracruz Mexico near 20N97W will race SE and reach a position from the Florida Big Bend to 23N93W to the Bay of Campeche at sunset, then gradually lose identity across the SE waters late Tue through Wed. The waters near Tampico will experience Gale conditions through this evening. Gales are expected for the waters near Veracruz this evening through Tuesday night. Strong post-gale NW flow will then continue through Wed evening. A fresh to locally strong E breeze is expected across the northern Gulf waters on Thu through Fri night. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... A tropical wave currently along 75W will move W through the Central Caribbean through Tue, through the Western Caribbean during mid week, and through the NW Caribbean late in the week. Fresh trades will continue E of the wave axis through Wed. A second tropical wave will pass through the tropical waters E of the Lesser Antilles today accompanied by isolated tstms. A third wave wave will enter the tropical waters on Tue night accompanied by fresh to locally strong E trades, and seas of 7-11 ft, with these conditions spreading W across the Caribbean E of 70W by sunrise on Thu, and extending across the Central Caribbean beginning on Fri, and then persisting through the upcoming weekend. ...SW N ATLANTIC INCLUDING THE BAHAMAS... A surface trough extends N from a low centered at 23N71W to 31N71W. The low may develop into a tropical cyclone as it moves N, then NE along the surface trough reaching near 26N72W this evening, and passing through 31N68W Tue morning. Strong to near gale force southerly flow and scattered TSTMS will spread N across the ATLC waters to the E of the low and trough through Tue. A cold front will move off the SE coast of the United States late tonight and race E to merge with the trough along a position from 31N65W to the Central Bahamas on Wed. The trough will then stall and drift W on Thu and Fri. A cold front will enter the NW discussion waters tonight, and race E to merge with the previously described trough along a position from 31N65W to the Central Bahamas on Wed. The front will lose identity and merge with the trough. The trough will then stall and drift W on Thu and Fri. Fresh to locally strong NE winds are forecast to develop W of the cold front tonight, and spread S across the waters N of 28N W of 77W on Tue night, with the pressure gradient relaxing on Wed and Thu, but tightening again beginning late Fri as strong high pres builds over the western Atlc from the eastern United States. $$ .WARNINGS...Any changes impacting coastal NWS offices will be coordinated through AWIPS II Collaboration Chat, or by telephone: .GULF OF MEXICO... .GMZ017...W CENTRAL GULF FROM 22N TO 26N W OF 94W... Gale Warning today. .GMZ023...SW GULF S OF 22N W OF 94W... Gale Warning today into Tue night. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... None. .SW N ATLANTIC INCLUDING THE BAHAMAS... None. $$ *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 McElroy. National Hurricane Center.