000 AGXX40 KNHC 080605 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 130 AM EST FRI DEC 8 2006 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. PUSH OF A STRONG UPPER TROUGH SE TONIGHT IS ENHANCING THE GRADIENT OVER THE GULF OF MEXICO. CONSEQUENTLY THE SRN BRANCH OF THE WESTERLIES HAS ACCELERATED AND CROSS AGEOSTROPHIC FLOW IS EVIDENT IN THE LATEST WATER VAPOR IMAGERY OVER SE MEXICO. A LARGE MID LEVEL BUBBLE OF HIGH PRESSURE LIES OVER THE ATLC CENTERED NEAR 28N50W. ON THE SURFACE TONIGHT A STRONG COLD FRONT EXTENDS FROM NEAR 31N75W SW ACROSS CENTRAL FL TO THE SW GULF OF MEXICO. STRONG NE WINDS TO GALE FORCE CURRENTLY ARE IN PROGRESS OVER THE GULF N OF THE FRONT AND ARE EXPECTED TO DEVELOP LATER THIS MORNING OVER ATLC WATERS W OF THE FRONT. ELSEWHERE A FAIRLY STRONG ATLC RIDGE CENTERED OVER THE CENTRAL ATLC CONTINUES TO MAINTAIN A GUSTY ELY WIND PATTERN E OF 60W AND IN THE CARIBBEAN E OF 75W. LATER DAY 1 THE UPPER TROUGH MOVES OFF THE ERN SEABOARD WITH RIDGING DEVELOPING OVER THE PLAINS. THE MID ATLC BUBBLE REMAINS STATIONARY. ON THE SURFACE LATER DAY 1 THE COLD FRONT WILL PUSH INTO THE CENTRAL BAHAMAS WHILE A 1038 MB HIGH SETTLES INTO ERN TX. STRONG NE WINDS WILL CONTINUE W OF THE FRONT. LITTLE CHANGE ELSEWHERE. FOR DAY 2 THE STRONG UPPER TROUGH LIFTS NE ALONG 60W WHILE A SECONDARY SHORTWAVE TROUGH MOVES OFF THE SE COAST. MID LEVEL RIDGING BUILDS ALONG 90W. THE MID ATLC RIDGE GETS SQUEEZED NEAR 32N40W BY A DEVELOPING MID LEVEL TROUGH OVER THE ERN ATLC. ON THE SURFACE DAY 2 THE COLD FRONT MOVES TO NEAR 31N56W TO SE BAHAMAS WITH STRONG NE WINDS CONTINUING W OF THE FRONT. WINDS BEGIN TO DECREASE OVER THE WRN GULF BUT REMAIN STRONG OVER THE SE PORTION DAY 2. CARIB WINDS REMAIN 20 TO 25 KT AS WELL AS TRADES E OF 60W. OUTLOOK PERIOD... MID LEVEL TROUGHING OVER THE WRN ATLC WEAKENS AS THE MID LEVEL FLOW BECOME MORE SWLY. THE MID LEVEL RIDGE ALONG 90W MOVES TO 80W WHILE TROUGHING DEVELOPS OVER THE SRN PLAINS. THE MID LEVEL TROUGH OVER THE ERN ATLC BEGINS TO WORK IT'S WAY WWD ALONG 20N TO 45W. ON THE SURFACE DAY 3 THE OLD COLD FRONT BECOMES STATIONARY ALONG 31N55W TO SE BAHAMAS BUT STRONG NE WINDS CONTINUE W OF THE FRONT AS A 1032 MB HIGH MOVES OFF THE CAR COAST. LITTLE CHANGE ELSEWHERE. FOR DAY 4 A STRONG W TO SW MID FLOW PATTERN CONTINUES N OF 25N WITH MID LEVEL HEIGHTS FALLING OVER THE CENTRAL PLAINS. THE ERN ATLC PATTERN STABALIZES WITH A REX BLOCK DEVELOPING ALONG 30W. ON THE SURFACE DAY 4 THE OLD COLD FRONT DISSIPATES OVER THE MID ATLC AND WINDS W OF 60W BEGIN TO DECREASE ALTHOUGH BETWEEN 25N AND 30N REMAIN GUSTY TO 25 KT. GULF WINDS BECOME MORE E TO SE AS PRESSURES FALL OVER THE SRN PLAINS. CARIB WINDS MOSTLY 15 TO 20 KT. MODERATE TO FRESH ELY TRADES MAINLY N OF 20N E OF 45W DAY 4. FOR DAY 5 NEW SURGES OF COLD AIR ALOFT MAKE THEIR WAY SWD ALONG 50W AND 100W. THE FIRST WILL KICK OUT THE BLOCKING PATTERN OVER THE ERN ATLC WHILE THE SECOND ONE LOWERS MID LEVEL HEIGHTS OVER THE SRN PLAINS AND BUILDS A RIDGE ALONG 70W. ON THE SURFACE DAY 5 A NEW COLD FRONT MOVES TO ERN TX BUT MUCH WEAKER THAN THE LAST ONE. AN OLD POLAR HIGH LINGERS OFF THE MID ATLC COAST MAINTAINING GUSTY ELY WINDS OF 20 KT N OF 25N W OF 60W. CARIB WINDS REMAIN ABOUT THE SAME DAY 5 AND ATLC TRADES E OF 60W WEAKEN TO 10 TO 15 KT. WARNINGS...SUBJECT TO REVISION AT FORECAST TIME. ATLANTIC... GALE WARNING N OF FRONT W OF 75W...AMZ080. CARIBBEAN... NONE. GULF OF MEXICO... GALE WARNING...GMZ080. GALE WARNING N OF 22N W OF 94W...GMZ082. FORECASTER RRG