442 AGXX40 KNHC 081842 MIMATS Marine Weather Discussion NWS National Hurricane Center Miami FL 242 PM EDT Sat Sep 8 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 ridging from the Carolinas to the Texas coast will shift N over the SE United States. Gentle to moderate E to SE winds and modest seas will prevail through the middle of next week. The exception will be fresh winds pulsing off west of the Yucatan peninsula, mainly during the late evening. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... Tropical Depression Nine near 14.6N 36.0W 1007 mb at 11 AM EDT moving WNW at 5 kt. Maximum sustained winds 30 kt gusts 40 kt. Nine will strengthen to a tropical storm near 14.7N 36.9W this evening, move to 14.8N 38.5W Sun morning, 14.8N 40.8W Sun evening, 14.8N 43.5W Mon morning, and strengthen to a hurricane near 14.5N 49.0W Tue morning. Nine will change little in intensity as it moves east of the Lesser Antilles near 14.5N 55.0W early Wed, and continue to 14.5N 60.0W in the Lesser Antilles Thu. Otherwise, relatively weak ridging over the western Atlantic will maintain moderate to fresh trade winds over most of the region into Sun. Building high pressure over the eastern Gulf of Mexico will allow fresh to locally strong E to SE winds and building seas over portions of the NW Caribbean Sun through Tue. ...SW N ATLANTIC INCLUDING THE BAHAMAS... Tropical Storm Florence near 24.5N 54.3W 995 mb at 11 AM EDT moving W at 6 kt. Maximum sustained winds 55 kt gusts 65 kt. Florence will move to 24.6N 55.0W this evening, strengthen to a hurricane near 24.6N 56.1W Sun morning, 24.8N 57.5W Sun evening, 25.1N 59.3W Mon morning, and 26.3N 64.9W Tue morning. Florence will change little in intensity as it moves over the north-central offshores near 28.5N 71.5W early Wed, and continue to 31.5N 77.0W Thu. Otherwise, a weak pressure pattern across the SW N Atlc will maintain gentle to moderate mainly easterly winds across the area through Mon. $$ .WARNINGS...Any changes impacting coastal NWS offices will be coordinated through AWIPS II Collaboration Chat, or by telephone: .GULF OF MEXICO... None. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... None. .SW N ATLANTIC INCLUDING THE BAHAMAS... None. $$ *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 Ramos. National Hurricane Center.