571 AGXX40 KNHC 170603 MIMATS Marine Weather Discussion NWS National Hurricane Center Miami FL 203 AM EDT Fri Aug 17 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... A surface trough will develop along the Yucatan Peninsula during the late afternoons, then drift westward across the southwest gulf waters during the overnight hours accompanied by a fresh east to southeast wind shift with the trough dissipating along 96W during the late mornings. Otherwise, an east to west ridge extends across the gulf waters along 28N accompanied by gentle to moderate anticyclonic flow forecast to increase to a fresh southerly breeze across the northwest waters on Sun night through early Mon. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... Nocturnal near gale force easterly trades expected along the northwest coast of Colombia tonight followed by strong nocturnal trades through the upcoming weekend. A tropical wave along 69W will continue westward across the central Caribbean today, and pass through the western Caribbean waters during the upcoming weekend. A second tropical wave will reach along 55W today, and pass through the east Caribbean on Sat and Sun accompanied by locally strong convection through early Sat. ...SW N ATLANTIC INCLUDING THE BAHAMAS... An east to west ridge extends 30N65W to 28N81W with light southerly winds north of ridge, light and variable winds elsewhere north of 23N, and fresh trades south of 23N, except becoming locally strong along the north coast of Hispaniola during the late afternoon into early evening hours. $$ .WARNINGS...Any changes impacting coastal NWS offices will be coordinated through AWIPS II Collaboration Chat, or by telephone: .GULF OF MEXICO... None. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... None. .SW N ATLANTIC INCLUDING THE BAHAMAS... None. $$ *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 Nelson. National Hurricane Center.