000 AGXX40 KNHC 181805 MIMATS Marine Weather Discussion NWS National Hurricane Center Miami FL 105 PM EST Thu Jan 18 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 cold front has recently exited the Gulf. Scatterometer data shows fresh to strong NE winds in most of the forecast area. The pressure gradient associated with trough across the SW Gulf continues to support 25-30 kt NW winds west of the trough along the Veracruz coast of southern Mexico. High pressure behind the front will slowly shift eastward along the US Gulf coast through Friday. Fresh southerly return flow will set up in the western Gulf Fri and Sat ahead on the next cold front, forecast to reach the Texas coast Sun night. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... A cold front extends from W Cuba near 23N81W to the Gulf of Honduras near 16N88W. Fresh to strong NE winds are over the entire NW Caribbean N of 15N and W of 78W. Widespread shallow convection is all across this area. A stationary front will extend from NW Hispaniola to NE Nicaragua Fri. Strong winds and widespread showers are expected behind the front. Fresh to strong trade winds will pulse near the coast of Colombia coast Fri night, then expand and strengthen across much of the central Caribbean over the weekend as high pressure builds N of area in the west-central Atlantic. ...SW N ATLANTIC INCLUDING THE BAHAMAS... A cold front extends over the W Atlantic from 31N70W through the N Bahamas to W Cuba near 23N81W. The cold front will extend from near 31N63W to NW Hispaniola tonight, then extend from 31N57W to 22N64W to 20N73W on Friday. A band of gale force westerly winds are currently north of 30N within 180 nm W of front. Strong winds and high seas are expected NE of the Bahamas through early Fri. High pressure will build east over the SW N Atlantic waters over the weekend. $$ .WARNINGS...Any changes impacting coastal NWS offices will be coordinated through AWIPS II Collaboration Chat, or by telephone: .GULF OF MEXICO... None. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... .AMZ031...CARIBBEAN FROM 11N TO 15N BETWEEN 72W AND 80W INCLUDING COLOMBIA BASIN... GALE CONDITIONS POSSIBLE Sat night. .SW N ATLANTIC INCLUDING THE BAHAMAS... .AMZ115...ATLANTIC FROM 27N TO 31N BETWEEN 65W AND 70W... GALE WARNING Today. $$ *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 Formosa. National Hurricane Center.