000 AGXX40 KNHC 042000 MIMATS Marine Weather Discussion NWS National Hurricane Center Miami FL 400 PM EDT Wed Apr 4 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... High pres over the eastern gulf will continue to slide eastward in response to the eastward progression of a cold front that extends from just west of Panama City to near 28N93W and to inland NE Mexico this afternoon. The front is preceded by a trough that extends from NE Florida to 28N85W and to near 26N90W. Scattered showers and isolated tstms earlier observed along and east of the front have dissipated. The cold front will reach from Tampa Florida to near 25N90W and to the southwest gulf this evening, then begin to weaken as it reaches the far southern waters on Thu. Strong high pres in the wake of the front will weaken as it moves eastward to the northeast gulf by Thu night. Another cold front is expected to move across the far northwest gulf early on Sat, reach from the western Florida panhandle to near 25N93W and to the southwest gulf Sat evening, then begin to weaken as it reaches from Tampa to near 24N90W and to the eastern Bay of Campeche on Sun. Moderate to fresh southerly flow will set up over the central gulf on Mon as yet another cold front moves over the northwest gulf. Strong northerly winds will follow in behind the front over the far northwest gulf on Sat before diminishing to fresh Sat night. Moderate to fresh southerly flow will set up over the central gulf on Mon as yet another cold front moves over the northwest gulf. A thermal trough will develop over the Yucatan Peninsula during the afternoons, drift westward across the eastern Bay of Campeche during the overnight hours, then dissipate over the southwest gulf by late each morning through the period. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... Fresh to locally strong nocturnal trades will continue along the northwest coast of Colombia through Sun night. A north to south orientated surface trough along 69W will continue west and become diffuse near 73W on Thu, with no significant weather associated with it. Fresh E winds will continue across the Gulf of Honduras through Thu. Otherwise, gentle to moderate trades are forecast elsewhere through Mon night. ...SW N ATLANTIC INCLUDING THE BAHAMAS... A high pres ridge extending from Bermuda southwestward to across central Florida will retreat eastward through early on Thu in response to an approaching cold front. Southwest winds have increased to the moderate to fresh range over the far northwest waters today ahead of the front. The cold front will move off the SE United States coast this evening, and across the northwest waters through early on Thu. The cold front will extend from Bermuda to the central Bahamas on Thu, then become stationary from near 27N65W to the central Bahamas on Fri and gradually dissipate through Sat. Fresh to strong NE winds behind the front will shift to zones AMZ 113 and AMZ 115 on Thu night into Fri then diminish by Fri evening. Another cold front will move across the northwest waters on Sun through Mon night preceded by fresh to strong southerly winds. $$ .WARNINGS...Any changes impacting coastal NWS offices will be coordinated through AWIPS II Collaboration Chat, or by telephone: .GULF OF MEXICO... None. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... None. .SW N ATLANTIC INCLUDING THE BAHAMAS... None. $$ *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.