000 AGXX40 KNHC 110655 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 200 AM EST THU MAR 11 2010 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W GULF OF MEXICO... AN INITIAL COLD FRONT OVER THE NW GULF TODAY WILL NEARLY STALL FROM FL BIG BEND TO THE S CENTRAL WATERS LATE THIS AFTERNOON. A SECOND REINFORCING FRONT WILL PUSH OFF TX COAST THIS AFTERNOON MERGING WITH INITIAL FRONT...WITH THE MERGED BOUNDARY SE OF ALL GULF WATERS FRI NIGHT. HIGH PRES CENTER WILL DEVELOP OVER W CENTRAL GULF SAT AND SHIFT E ALONG 24N TO THE CENTRAL WATERS SUN. A THIRD COLD FRONT WILL SWEEP ACROSS THE NORTHERN WATERS WELL N OF THE RIDGE FROM EARLY SAT THROUGH EARLY SUN. A POST FRONTAL RIDGE WILL DEVELOP MON FROM SW LA TO NW CUBA. TROPICAL ATLC AND CARIBBEAN SEA... A FRONTAL TROUGH EXTENDS ACROSS TROPICAL ATLC WATERS FROM 18N55W TO THE SOUTHERN LEEWARD ISLANDS THEN CONTINUES SW TO EXTREME NE COLOMBIA WITH THE SOUTHERN SEGMENT NOW DRIFTING W WITH TIME. EXPECT THESE FRONTAL TROUGH REMNANTS TO FINALLY LOSE IDENTITY LATE FRI NIGHT INTO SAT. FRESH E TRADES PREVAIL ACROSS MUCH OF CARIBBEAN WATERS WITH SLY RETURN FLOW AT 20 TO 25 KT NW CARIBBEAN ATTM. THE NEXT COLD FRONT MOVES INTO YUCATAN CHANNEL AROUND SUNSET FRI...REACHING ALONG PSN FROM WINDWARD PASSAGE TO HONDURAS WHERE IT WILL STALL SUN. THE SW EXTENSION OF FRONT WILL MOVE NW SUN NIGHT INTO MON WHILE THE SEGMENT N OF CARIBBEAN MOVES INTO TROPICAL WATERS NEAR 22N65W MON. SW N ATLC... HIGH PRES CENTER CURRENTLY NEAR BERMUDA WILL SHIFT NE ALLOWING A COLD FRONT TO DIP INTO THE EXTREME NW WATERS LATE TODAY. PLENTY OF UNCERTAINTY THEREAFTER...BUT GENERALLY EXPECTING LOW PRES TO DEVELOP ALONG THE FRONT JUST N OF AREA TONIGHT. A WARM FRONT WILL DEVELOP OVER THE NORTHERN WATERS IN THE INCREASING SLY FLOW S OF THE LOW AND AHEAD OF A STRONGER COLD FRONT UPSTREAM IN THE GULF OF MEXICO. THE WARM FRONT WILL SHIFT NE ACROSS THE NORTHERN WATERS WITH SE FLOW AHEAD OF THE FRONT AT A MAX OF 30 KT PER BLEND OF GUIDANCE. NOTE THAT THE GFS IS THE HIGH BIAS AND SUGGESTING MINIMAL GALE. IF THE LOW DEVELOPS...OR MOVES... FURTHER S THE GRADIENT MAY INDEED PRODUCE GALE CONDITIONS. IN ANY EVENT NEXT COLD FRONT ENTER NW WATERS OFF FLORIDA NE COAST SAT PASSING THROUGH BERMUDA THE THE SE BAHAMAS EARLY SUN...THEN DRIFT SE OF AREA LATE MON. WARNINGS... ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER NELSON