000 AGXX40 KNHC 311811 MIMATS Marine Weather Discussion NWS National Hurricane Center Miami FL 211 PM EDT Wed Jul 31 2019 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 high pressure ridging will remain over the northern Gulf through the next few days providing for generally a gentle to moderate wind flow and relatively low seas across the area. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... A tropical wave over the central Caribbean will reach the far western Caribbean by early Sat. Another tropical wave will move across the Tropical N Atlantic and eastern Caribbean Thu through Sat night and the central Caribbean Sun and Sun night. Scattered showers and thunderstorms will be associated with these waves. In the wake of these waves, trade winds will increase to strong speeds over the south central Caribbean waters. They will diminish some on Sat before increasing again to mainly strong speeds on Sat night. A tropical wave is currently over the far eastern Atlantic. Looking ahead into early next week, upper-level winds are forecast to gradually become more conducive for further development as the wave moves westward, and a tropical depression could form over the weekend several hundred miles east of the Lesser Antilles. This feature is likely to significantly increase winds and seas over the Tropical N Atlantic early next week. Please see the latest Tropical Weather Outlook for the latest details on this system. ...SW N ATLANTIC INCLUDING THE BAHAMAS... The northern part of a tropical wave is moving through the southeastern Bahamas, with associated scattered showers and thunderstorms over waters S of 25N and W of 70W. This activity is attendant at times by fresh to strong winds. This part of the wave will continue to move west-northwestward across the central Bahamas through Thu, then northwestward across the NW Bahamas Thu night and to southern and central Florida Fri through through Sat night then merge into another trough that will become established over the far northwest waters by early on Sun. The atmosphere will remain unstable over the northwest waters into early next, with scattered showers and thunderstorms most probable to be occur over these waters early next week. Before early next week, very deep atmospheric moisture within the surrounding environment of this wave is very conducive to lead to scattered to numerous showers and thunderstorms, some with strong gusty winds and heavy rainfall, impacting the waters between Florida, the Bahamas and Cuba through Sat night. Otherwise, winds of moderate speeds will generally remain across the area. $$ .WARNINGS...Any changes impacting coastal NWS offices will be coordinated through AWIPS II Collaboration Chat, or by telephone: .GULF OF MEXICO... None. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... None. .SW N ATLANTIC INCLUDING THE BAHAMAS... None. $$ *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 Aguirre. National Hurricane Center.