000 AGXX40 KNHC 151728 MIMATS Marine Weather Discussion NWS National Hurricane Center Miami FL 128 PM EDT Thu Apr 15 2021 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 across the northern Gulf will stall and weaken along 27N tonight. Intense thunderstorms ahead of the front may result in higher winds and seas. Areas of smoke and haze in the western Gulf may reduce visibilities. A stronger cold front will move into the NW Gulf on Sat, with strong northerly winds and building seas expected across the western Gulf this weekend. Gale force winds are possible near the central coast of Mexico Sat night. The front will stall from central Florida to the Bay of Campeche Sun night through early next week. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... An Ashfall Advisory is in effect for La Soufriere Volcano on the island of St. Vincent near 13.3N 61.2W. Mariners transiting the nearby waters should exercise caution, and are encouraged to report volcanic ash to the National Hurricane Center by calling 305-229-4424. A stationary front northeast of the Windward Islands will continue to weaken tonight. Moderate to fresh trade winds, locally strong, will prevail across the Caribbean through Sun. Fresh to strong SE winds are expected in the NW Caribbean this weekend, and then again Tue night. Fresh to strong trade winds will prevail across the central Caribbean Sun night through early next week. ...SW N ATLANTIC INCLUDING THE BAHAMAS... A dissipating cold front north of Puerto Rico will stall and weaken through tonight. A cold front will move east of northern Florida into the northern waters by early Fri, then stall north of the Bahamas this weekend into early next week. $$ .WARNINGS...Any changes impacting coastal NWS offices will be coordinated through AWIPS II Collaboration Chat, or by telephone: .GULF OF MEXICO... .GMZ017...W CENTRAL GULF FROM 22N TO 26N W OF 94W... GALE CONDITIONS POSSIBLE Sat night. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... .AMZ025...OFFSHORE WATERS LEEWARD ISLANDS... Ashfall Advisory today into tonight. .AMZ035...OFFSHORE WATERS WINDWARD ISLANDS INCLUDING TRINIDAD AND TOBAGO... Ashfall Advisory today into tonight. .SW N ATLANTIC INCLUDING THE BAHAMAS... None. $$ *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 Lewitsky. National Hurricane Center.