992 AGXX40 KNHC 080523 MIMATS Marine Weather Discussion NWS National Hurricane Center Miami FL 123 AM 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... An upper trough extends over the eastern Gulf, supporting a few showers and thunderstorms along the Loop Current in the central Gulf, and over the southeast Gulf. At the surface weak ridging extending across the northern Gulf will persist into next week, maintaining gentle to moderate E to SE winds and modest seas. 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 located near 13.9N 34.9W at 11 PM EDT, or 1530 nm E of the Windward Islands, is nearly stationary. Maximum sustained winds are 30 kt with gusts to 40 kt. The depression is forecast to become a tropical storm today and generally head W. Looking ahead, this system could affect the eastern Caribbean by the middle to latter portion of next week. 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... A weak pressure pattern across the SW N Atlc will maintain gentle to moderate mainly easterly winds across the area through Mon. Tropical Storm Florence located near 24.8N 53.2W at 11 PM EDT, moving W at 6 kt. Maximum sustained winds are 50 kt with gusts to 60 kt. Florence will move westward and re- intensify to hurricane strength Sun, and is expected to move across the NE forecast zones Mon through Thu. $$ .WARNINGS...Any changes impacting coastal NWS offices will be coordinated through AWIPS II Collaboration Chat, or by telephone: .GULF OF MEXICO... None. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... None. .SW N ATLANTIC INCLUDING THE BAHAMAS... None. $$ *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 Christensen. National Hurricane Center.