000 AGXX40 KNHC 190550 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 200 AM EDT FRI OCT 19 2012 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND TROPICAL N ATLC...AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... COLD FRONT EXTENDS FROM THE FLORIDA BIG BEND TO BROWNSVILLE TEXAS. THE FRONT WILL EXTEND FROM SW FLORIDA TO S TEXAS SAT THEN DISSIPATE ON SUN. HIGH PRES RIDGE BUILDS BEHIND THE FRONT. SLY RETURN FLOW INCREASES TO 15-20 KT ACROSS THE NW GULF ON SUN. THE HIGH MOVES E AND THE PRES GRADIENT WEAKENS OVER THE NW GULF AND WINDS DECREASE TO 10-15 KT. HOWEVER AS THE HIGH MOVES THE WINDS PICK UP TO 15-20 KT WITH SEAS TO 6 FT IN THE STRAITS OF FLORIDA TUE. SW N ATLC S OF 31N W OF 65W... HIGH PRES RIDGE ACROSS THE AREA WILL MOVE E AS A COLD FRONT MOVES OFF THE SE U.S. COAST. THE FRONT WILL EXTEND FROM 31N72W TO CENTRAL FLORIDA EARLY SAT AND FROM 31N70W TO THE NW BAHAMAS SUN AND THEN WEAKEN AND MOVE E OF THE AREA MON NIGHT. HIGH PRES BUILDS BEHIND THE FRONT MON AND TUE. WINDS REMAIN IN THE 10-15 KT RANGE THROUGH THE WEEKEND..THEN NE WINDS INCREASE TO 15-20 KT ACROSS THE NW PORTION OF THE AREA MON AND TUE AS HIGH PRES MOVES INTO THE EASTERN U.S. CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W... TROUGH IN THE SW CARIBBEAN ALONG 80W WILL REMAIN NEARLY STATIONARY THROUGH THE FORECAST PERIOD. TROUGH ALONG 66W WILL MOVE W THROUGH THE CENTRAL CARIBBEAN AND MERGE WITH THE TROUGH IN THE SW CARIBBEAN TROUGH EARLY NEXT WEEK. ELY WINDS 15-20 KT WITHIN AROUND 300 NM E OF THE TROUGH WILL TRACK EASTWARD WITH THE TROUGH. NOTE...GRIDDED MARINE FORECAST IS AVAILABLE AT WWW.NHC.NOAA.GOV/TAFB/GRIDDED_MARINE GULF OF MEXICO... .NONE. CARIBBEAN SEA AND TROPICAL N ATLC... .NONE. SW N ATLANTIC... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT WWW.HURRICANES.GOV/MARINE $$ FORECASTER DGS