000 AGXX40 KNHC 131725 MIMATS Marine Weather Discussion NWS National Hurricane Center Miami FL 125 PM EDT Thu Apr 13 2017 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... High pressure prevails over the northern waters. Latest satellite derived winds and seas along with ship, buoy, and CMAN data depict gentle to moderate winds prevail over the forecast waters. Seas are in the 1-2 ft range over the northeast Gulf, 4-5 ft over the southwest Gulf, and 3-4 ft over the remainder of the Gulf waters. High pressure will continue to prevail over the northern Gulf waters through the weekend. A trough will develop each evening over the Yucatan peninsula. This trough will shift westward into the southwest Gulf each night where it will dissipate each morning. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... Latest satellite derived winds and seas along with ship, buoy, and CMAN data depict moderate to fresh winds over the central Caribbean, and gentle to moderate winds over the remainder of the Caribbean waters as well as the tropical north Atlantic forecast waters. Seas are in the 4-7 ft range over the south central Caribbean, 3-4 ft over the remainder of the Caribbean waters, and 4-5 ft over the tropical north Atlantic forecast waters. Winds will pulse to strong over the south central Caribbean through the forecast period. High pressure building north of the area will tighten the pressure gradient over the forecast waters. This will increase winds across the Caribbean this weekend. ...SW N ATLANTIC INCLUDING THE BAHAMAS... Low pressure and associated trough prevail over the eastern waters while high pressure prevails over the western waters. Latest satellite derived winds and seas along with ship, buoy, and CMAN data depict fresh to strong winds over the northeast waters, and gentle to moderate winds elsewhere. Seas are in the 8 to 11 ft range over the northeast waters, 4-6 ft elsewhere outside the Bahamas, and 1-3 ft west of the Bahamas. The low will meander over the same general area tonight before shifting northeast of the area Friday. High pressure will build across the area in the wake of the low and will prevail through the remainder of the forecast period. $$ .WARNINGS...Any changes impacting coastal NWS offices will be coordinated through AWIPS II Collaboration Chat, or by telephone: .GULF OF MEXICO... None. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... None. .SW N ATLANTIC INCLUDING THE BAHAMAS... None. $$ *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 AL. National Hurricane Center.