000 AGXX40 KNHC 161935 MIMATS Marine Weather Discussion NWS National Hurricane Center Miami FL 335 PM EDT Fri Apr 16 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 weak stationary front extends from near Crystal River, Florida, to off southwest Louisiana, where it transitions to a warm front and and continues westward to Galveston Island, Texas. The front will remain over the northern Gulf into Saturday, before being overtaken by a cold front that will stretch from near Tampa Bay, Florida to central Bay of Campeche by the end of the weekend. Behind the front, gales will develop offshore Tampico, Mexico by Saturday night. ...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. 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 south central Caribbean Sun night through early next week. ...SW N ATLANTIC INCLUDING THE BAHAMAS... A cold front extends from near Bermuda to 1010 mb low pressure near 31N78W to near Daytona Beach, Florida. The front will stall north of 28N through Sat then dissipate as it lifts northward through Sun. Elsewhere, weak high pressure will dominate. $$ .WARNINGS...Any changes impacting coastal NWS offices will be coordinated through AWIPS II Collaboration Chat, or by telephone: .GULF OF MEXICO... .GMZ017...W CENTRAL GULF FROM 22N TO 26N W OF 94W... Gale Warning Sat night. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... .AMZ025...OFFSHORE WATERS LEEWARD ISLANDS... Ashfall Advisory today into tonight. .AMZ035...OFFSHORE WATERS WINDWARD ISLANDS INCLUDING TRINIDAD AND TOBAGO... Ashfall Advisory today into tonight. .SW N ATLANTIC INCLUDING THE BAHAMAS... None. $$ *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 Christensen. National Hurricane Center.