000 AGXX40 KNHC 150736 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 230 AM EST THU JAN 15 2009 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO... CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... 1028 MB SURFACE HIGH PRES CENTERED OVER SW LOUISIANA IS MAINTAINING LIGHT TO MODERATE FLOW ACROSS THE GULF THIS MORNING. A BROAD UPPER TROUGH EXTENDING FROM ONTARIO TO TEXAS IS SUPPORTING A SURFACE COLD FRONT AS IT MOVES THROUGH THE SOUTHEAST U.S. TODAY. VERY STRONG 1040 MB PLUS HIGH PRES BEHIND THE FRONT BUILDS FROM THE NORTHERN PLAINS SE TO THE MID MISSISSIPPI VALLEY TODAY. THIS TIGHTENS THE PRESSURE GRADIENT AND RESULTS IN INCREASED WINDS AND SEAS ACROSS THE GULF STARTING LATE TODAY. WINDS GRADUALLY DIMINISH THROUGH SAT AS THE HIGH PRES WEAKENS AND SHIFTS INTO THE SE U.S. LOOKING AHEAD TO SUN AND MON...ANOTHER UPPER TROUGH DIGS INTO THE PLAINS AND PROPELS ANOTHER COLD FRONT INTO THE NORTHERN GULF SUN...WITH NORTHERLY FLOW INCREASING OVER THE NORTHERN GULF. THIS FRONT PUSHES SE OF THE AREA MON...FOLLOWED RAPIDLY BY A REINFORCING FRONT MON. CARIBBEAN... FRESH TO STRONG TRADES CONTINUES ACROSS THE EASTERN AND CENTRAL CARIBBEAN. AN ASCAT PASS FROM 02Z CONFIRMS PERSISTENT WINDS TO 30 KT OFF THE COLOMBIAN COAST. A STATIONARY FRONT EXTENDS FROM CENTRAL CUBA TO CENTRAL HONDURAS. WINDS WILL INCREASE NW OF THIS FRONT THROUGH SAT AS STRONG HIGH PRES BUILDS TO THE NORTH. WINDS MAY REACH 30 KT THROUGH THE YUCATAN CHANNEL BY LATE FRI...BEFORE GRADUALLY DIMINISHING SAT INTO SUN. MEANWHILE WINDS WILL DIMINISH OVER THE EASTERN CARIBBEAN AS A SURFACE TROUGH ASSOCIATED WITH A WELL DEVELOPED UPPER TROUGH...MOVES NORTH OF GUYANA AND THROUGH THE LESSER ANTILLES. SOUTHWEST NORTH ATLC S OF 31N W OF 55W... A COLD FRONT IS BARELY MOVING AND WILL BECOME STATIONARY LATER THIS MORNING FROM ROUGHLY BERMUDA THROUGH THE SOUTHERN BAHAMAS. UPPER WINDS OVER THE AREA REMAIN SW AHEAD OF A BROAD TROUGH OVER THE U.S. A REINFORCING FRONT EMERGES OFF THE GEORGIA COAST LATER THIS MORNING...FOLLOWED BY INCREASING WINDS AND SEAS DUE TO STRONG COLD AIR ADVECTION. THIS FRONT GLIDES TO GENERALLY THE SAME POSITION AS THE FIRST FRONT BY MIDDAY SAT...AS UPPER SHORT WAVE SUPPORT LIFTS OUT. WINDS WILL DIMINISH SLIGHTLY...BUT WILL BREAK FROM GLOBAL MODELS SLIGHTLY EXPECTING LEAST FRESH NE FLOW AHEAD OF AN INVERTED TROUGH APPROACHING THE AREA FROM THE EAST. ANOTHER FRONT PUSHES OFF THE SE U.S. COAST BY LATE SUN...FOLLOWED BY FRESH TO STRONG NW FLOW. ATLANTIC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... NONE. FORECASTER CHRISTENSEN. TROPICAL PREDICTION CENTER.