661 AGXX40 KNHC 060830 MIMATS Marine Weather Discussion NWS National Hurricane Center Miami FL 430 AM EDT Thu Sep 6 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... Divergent flow aloft between an upper anticyclone over the central Gulf and an upper low over the Bahamas has been supporting a line of showers and thunderstorms about 60 nm off the west coast of Florida between 25N and 28N, although this is now weakening. A weak ridge remains in place along the northern Gulf, maintaining gentle to moderate east to southeast winds. The ridge will shift slightly northward through Sun, as weak troughs remain over the southwest Gulf. Little change in winds or seas is expected through early next week. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... Relatively weak ridging over the western Atlantic will maintain moderate to fresh trade winds over most of the region through early next week. ...SW N ATLANTIC INCLUDING THE BAHAMAS... An upper low centered just off the central Bahamas is supporting scattered showers and thunderstorms over much of the area between the Bahamas and Bermuda. At the surface, a weak pressure pattern will maintain gentle to moderate easterly winds across the area through Sun night. Easterly swell from Hurricane Florence, well east of the area currently, will move into the open waters east of the Bahamas through early next week. Hurricane Florence is currently near 24.1N 47.9W 964 mb at 5 AM EDT moving NW at 10 kt. Maximum sustained winds 100 kt gusts 120 kt. Looking ahead, Florence is expected to continue to move W-NW reaching 27.2N 59.0W early Mon, and continue to 29.0N 63.5W by Tue. $$ .WARNINGS...Any changes impacting coastal NWS offices will be coordinated through AWIPS II Collaboration Chat, or by telephone: .GULF OF MEXICO... None. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... None. .SW N ATLANTIC INCLUDING THE BAHAMAS... None. $$ *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.