000 AGXX40 KNHC 191809 MIMATS Marine Weather Discussion NWS National Hurricane Center Miami FL 109 PM EST Wed Dec 19 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 strong cold front with widespread thunderstorm activity will race across the Gulf waters tonight through early Fri. Strong to near gale force S winds will develop over the SE waters tonight ahead of the front. Strong to near gale force W to NW winds behind the front will reach gale force Thu night with seas building to near 20 ft. Gale conditions are expected across the N Gulf through Fri morning. A post-frontal surface high pressure will set up over the central gulf on Sat morning, and move to the NE waters on Sun. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... Fresh to strong winds will continue across the south-central Caribbean through Sun, increasing to near gale force near the coast of Colombia each night. Strong southerly flow will develop across the W Caribbean tonight ahead of a cold front entering the Yucatan Channel on Thu. The front will reach from the Windward Passage to N Panama adjacent waters by Sat morning, then will stall and dissipate on Sun. Fresh to strong NW winds are expected behind the front on Fri, increasing to near gale force along Nicaragua adjacent waters Fri night through Sat morning. ...SW N ATLANTIC INCLUDING THE BAHAMAS... The tail of a weakening cold front across the Turks and Caicos and the southern Bahamas will dissipate today as it gradually drift NW today. Strong southerly flow will develop north of the Bahamas on Thu morning, increasing to minimal gale force Thu night on both sides of a strong cold front moving off Florida. The front will reach from 30N75W to the central Bahamas and central Cuba on Fri morning, and from 30N68W to the Windward Passage on Sat morning. Strong to near gale force winds are expected across the Straits of Florida, the northern and the central Bahamas Thu and Fri. Winds and seas will start to subside Sat night through Sun night. $$ .WARNINGS...Any changes impacting coastal NWS offices will be coordinated through AWIPS II Collaboration Chat, or by telephone: .GULF OF MEXICO... .GMZ011...NW GULF INCLUDING STETSON BANK... Gale Warning Thu into Thu night. .GMZ013...N CENTRAL GULF INCLUDING FLOWER GARDEN BANKS MARINE SANCTUARY... Gale Warning Thu into Fri. .GMZ015...NE GULF N OF 25N E OF 87W... Gale Warning Thu into Fri. .GMZ017...W CENTRAL GULF FROM 22N TO 26N W OF 94W... Gale Warning Thu into Thu night. .GMZ019...CENTRAL GULF FROM 22N TO 26N BETWEEN 87W AND 94W... Gale Warning Thu into Fri. .GMZ021...E GULF FROM 22N TO 25N E OF 87W INCLUDING STRAITS OF FLORIDA... Gale Warning Thu night. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... .AMZ031...CARIBBEAN FROM 11N TO 15N BETWEEN 72W AND 80W INCLUDING COLOMBIA BASIN... GALE CONDITIONS POSSIBLE Sat night. GALE CONDITIONS POSSIBLE Sun night. .SW N ATLANTIC INCLUDING THE BAHAMAS... .AMZ111...ATLANTIC FROM 27N TO 31N W OF 77W... Gale Warning Thu into Fri. GALE CONDITIONS POSSIBLE Fri into Fri night. .AMZ113...ATLANTIC FROM 27N TO 31N BETWEEN 70W AND 77W... Gale Warning Thu night into Fri. GALE CONDITIONS POSSIBLE Fri into Fri night. .AMZ115...ATLANTIC FROM 27N TO 31N BETWEEN 65W AND 70W... GALE CONDITIONS POSSIBLE Fri night. .AMZ117...BAHAMAS INCLUDING CAY SAL BANK... Gale Warning Thu night into Fri. GALE CONDITIONS POSSIBLE Fri. .AMZ119...ATLANTIC FROM 22N TO 27N E OF BAHAMAS TO 70W... Gale Warning Fri. $$ *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 Ramos. National Hurricane Center.