000 AGXX40 KNHC 271835 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 200 PM EST TUE NOV 27 2007 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... COLD FRONT CURRENTLY EXTENDS FROM CENTRAL FLORIDA TO 21N93W THEN STATIONARY TO 18N94W. QUIKSCAT THIS MORNING SHOWED DECREASING WINDS ACROSS THE GULF BEHIND THE FRONT...IN GOOD AGREEMENT WITH THE GFS MODEL GUIDANCE. EXPECT WINDS TO CONTINUE 15 TO 20 KT OVER MOST OF THE GULF THROUGH WED MORNING...DIMINISHING TO 10 KT N OF 23N WED NIGHT BUT THEN INCREASING AGAIN AS REINFORCING HIGH PRES BUILDS IN EARLY THU. ANY COLD AIR SURGE INTO THE GULF WILL BE SHORT-LIVED AS WINDS VEER AROUND TO A MORE PREDOMINATELY ELY DIRECTION FRI AND SAT IN RESPONSE TO THE HIGH PRES WITH RATHER LOW SEA STATE ACROSS MUCH OF THE GULF. SW N ATLC... COLD FRONT SLIDING OFF THE E COAST OF FLORIDA FROM 31N80N TO DAYTONA BEACH. FRONT EXPECTED TO REACH FROM ABOUT 31N76W TO CENTRAL FLORIDA THIS EVENING BEFORE SLOWING DOWN S OF 30N...REACHING FROM 31N66W TO THE NORTHERN BAHAMAS BY WED EVENING. IT LIFTS N AS A WEAK WARM FRONT THU AS ANOTHER LOW PRES SYSTEM MOVES OFF THE S.E. COAST. A BROAD SFC TROUGH WELL E OF THE AREA IS MOVING WWD. THIS TROUGH WILL INTERACT WITH HIGH PRES ACROSS THE FORECAST WATERS TO MAINTAIN PRES GRADIENT E OF THE BAHAMAS. EXPECT WINDS AND SEAS IN SE PORTION TO DECREASE SLIGHTLY THROUGH SAT. HIGH PRES WEAKENS SOME OVER THE REMAINDER OF THE AREA FRI AND SAT AS A WEAK COLD FRONT QUICKLY BRUSHES THE NRN WATERS FOLLOWED BY LIGHT NLY WINDS AND LOW SEA STATES. 20 KT WINDS SHOULD STAY TO THE N OF 31N FRI AND SAT. CARIBBEAN AND TROPICAL N ATLC... QUIKSCAT MISSED THE CORE AREA OF 25-30 KT WINDS BUT MEAGER SHIP OBS DO SUPPORT CONTINUATION OF STRONG TO NEAR GALE WINDS THROUGH TONIGHT. MAX SEA HEIGHTS ARE ESTIMATED TO BE 12-14 FT. CONDITIONS SHOULD BEGIN TO ABATE WED THEN DIMINISH EVEN FURTHER THU AND FRI AS HIGH PRES OVER THE ATLC BREAKS DOWN. ACTIVE CONVECTION PERSISTS NEAR PANAMA...COSTA RICA AND NICARAGUA. ELY TRADES ELSEWHERE WILL BE 10 TO 15 KT THROUGH SAT...EXCEPT 15-20 KT OVER NORTHERN PART OF THE TROPICAL N ATLC ZONE THROUGH MOST OF WED WITH SEAS UP TO 10 FT IN NE SWELL SLOWLY DIMINISHING LATE THU AND FRI. WARNINGS... ATLANTIC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... NONE. FORECASTER MUNDELL