484 AGXX40 KNHC 180700 MIMATS Marine Weather Discussion NWS National Hurricane Center Miami FL 300 AM EDT Wed Jul 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... Weak high pressure ridge across the Gulf along 25N will continue throughout the week. Active convection is expected across the northern Gulf during the next several days. A surface trough will move off the Yucatan Peninsula into the Bay of Campeche each evening, accompanied by fresh nocturnal winds. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... High pressure over the central Atlantic will support strong to near gale force winds in the south-central Caribbean for the next several days. Nocturnal winds will increase to gale force near the coast of Colombia late tonight, in between tropical waves moving through the basin. ...SW N ATLANTIC INCLUDING THE BAHAMAS... Strong area of high pressure in the central Atlantic will build westward into the Bahamas through Thu and remain in place through Sunday. Generally benign marine conditions will prevail across most of the region through the weekend. $$ .WARNINGS...Any changes impacting coastal NWS offices will be coordinated through AWIPS II Collaboration Chat, or by telephone: .GULF OF MEXICO... None. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... .AMZ031...CARIBBEAN FROM 11N TO 15N BETWEEN 72W AND 80W INCLUDING COLOMBIA BASIN... Gale Warning tonight. .SW N ATLANTIC INCLUDING THE BAHAMAS... None. $$ *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 Mundell. National Hurricane Center.