000 AGXX40 KNHC 010936 MIMATS MARINE WEATHER DISCUSSION...CORRECTED NWS NATIONAL HURRICANE CENTER MIAMI FL 230 AM EST TUE MAR 01 2011 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... SATELLITE IMAGERY FROM EARLY THIS MORNING DEPICTS THE COLD FRONTAL BOUNDARY MARKED BY LOW TO BROKEN MID AND LEVEL CLOUDS PRESSING SE ACROSS THE AREA GULF WITH ITS LEADING EDGE EXTENDING FROM NE FLORIDA SW TO JUST NW OF TAMPA FLORIDA AND SW TO 26N90W AND TO THE CENTRAL BAY OF CAMPECHE NEAR 18.5N94W. LATEST BUOY OBSERVATIONS AND OIL RIG PLATFORM SITES FROM THE NORTHERN AND CENTRAL GULF SECTIONS SHOW A RATHER SHARP WIND SHIFT WITH THE FRONT WITH SW 15 KT WINDS WITHIN 60-75 NM SE OF THE FRONT...AND N-NE WINDS OF 15-20 KT TO ITS NW. ASCAT DATA FROM 0314 UTC LAST NIGHT REVEALED N-NE 20-25 KT WINDS BEHIND THE FRONT OVER THE FAR WESTERN GULF. BUOYS THROUGHOUT SHOW SEAS OF 3-5 FT N OF 26N W OF 85W EXCEPT 6-8 FT IN THE FAR WESTERN PORTION...AND GENERALLY 2-4 FT ELSEWHERE. WINDS OVER THE REMAINDER OF THE GULF ARE SE-S 5-10 KT WITH THE EXCEPTION OF THE FAR SE WATERS AND STRAITS OF FLORIDA WHERE WINDS ARE SE 15 KT. MODELS PROG THE FRONT TO REACH A POSITION FROM NEAR FORT MYERS FLORIDA TO EASTERN BAY OF CAMPECHE THIS AFTERNOON...AND TO THE FAR SE WATERS AND STRAITS OF FLORIDA TONIGHT INTO WED WHILE IT DISSIPATES. AS THIS HAPPENS...A LARGE AREA OF HIGH PRES WILL BUILD E OVER THE SE U.S. THROUGH WED NIGHT THEN INTENSIFY AS IT BUILDS SW ACROSS MUCH OF THE MIDDLE AND EASTERN GULF ZONES THU THROUGH SAT. THE 20-25 KT WINDS BEHIND THE FRONT WILL DIMINISH TO 10-15 KT THIS AFTERNOON WHILE BECOMING NE-E THROUGH ACROSS MUCH OF THE GULF THROUGH WED AFTERNOON. WINDS THEN BEGIN TO SUBSTANTIALLY INCREASE OVER THE EASTERN AND MIDDLE GULF WED NIGHT THROUGH SAT IN RESPONSE TO A TIGHTENING PRES GRADIENT CREATED BY THE STRENGTHENING HIGH PRES THAT BUILDS SW ACROSS THOSE WATERS. WINDS DURING THIS TIME PERIOD ARE EXPECTED TO BE E-SE AT 20 KT WITH SEAS POSSIBLY BUILDING TO 8 FT BY SAT. MODELS CONTINUE TO SUGGEST THAT ANOTHER COLD FRONT MOVES TO JUST OFF THE TEXAS COAST LATE SAT AFTERNOON...AND REACHES FROM THE CENTRAL LOUISIANA COAST TO NEAR 24N97W BY SAT EVENING. N WINDS OF 20-25 KT ARE EXPECTED TO FOLLOW IN ITS WAKE...GRADUALLY SHIFTING TO N-NE LATE INTO SAT NIGHT. SW N ATLC... WEAKENING RIDGE FROM 26N65W TO S FLORIDA WILL SHIFT E OF AREA THROUGH WED EVENING IN RESPONSE TO THE ABOVE GULF OF MEXICO COLD FRONT ADVANCING SE INTO THE AREA. SW WINDS OF 15-20 KT OVER THE NW PORTION AS INDICATED BY BUOY 41010 AND A PARTIAL ASCAT PASS FROM 0136 UTC LAST NIGHT WILL SHIFT TO THE FAR NE PORTION OF THE AREA BY WED AFTERNOON AHEAD OF THE COLD FRONT. THE COLD FRONT SHOULD ROUGHLY EXTEND FROM 31N74W TO CENTRAL FLORIDA THIS AFTERNOON...FROM NEAR 31N65W TO S FLORIDA BY WED MORNING...BEFORE WEAKENING INTO A TROUGH OVER THE SE WATERS FROM 26N65W TO 24N75W THU AND EVENTUALLY DISSIPATING FRI JUST E OF THE AREA. N-NE WINDS OF 20 KT NW OF THE FRONT ARE EXPECTED TONIGHT THROUGH WED MORNING. STRONG HIGH PRES WILL BUILD SE ACROSS JUST ABOUT THE ENTIRE AREA BEHIND THE FRONT AND STRENGTHEN INTO SAT WITH E WINDS INCREASING 20-25 KT AND SEAS BUILDING TO 8-11 FT FRI AND SAT E OF THE BAHAMAS ...AND N OF 27N E OF 77W. CARIBBEAN AND TROPICAL N ATLC W OF 55W... HIGH PRES NE OF THE AREA MAINTAINS FRESH TO STRONG TRADES FROM THE TROPICAL N ATLC THROUGH THE EASTERN AND CENTRAL CARIBBEAN. HIGHEST WINDS CONTINUE JUST NORTH OF THE COAST OF COLOMBIA AS INDICATED BY A FEW SHIPS EARLY THIS MORNING. LITTLE CHANGE IS EXPECTED TO THIS PATTERN THROUGH THIS EVENING. WINDS AND SEAS WILL DIMINISH TUE AFTERNOON THROUGH SAT AS THE PRES GRADIENT RELAXES WITH THE STRONGEST WINDS CONFINED TO NEAR THE COAST OF COLOMBIA. SEAS UP TO 12 FT OFF THE COAST OF COLOMBIA THROUGH EARLY TONIGHT. SEAS WILL STEADILY SUBSIDE AFTER TONIGHT TO AROUND 4-6 FT BY THU THROUGH SAT WITH HIGHEST IN THE SW CARIBBEAN NEAR COAST OF COLOMBIA. WARNINGS.. ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER AGUIRRE