000 AGXX40 KNHC 041738 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 100 PM EST TUE JAN 04 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... GENTLE TO MODERATE BREEZE PREVAILS OVER MUCH OF THE GULF UNDER THE INFLUENCE OF A RIDGE ANCHORED ON A 1023 MB SURFACE HIGH LOCATED OVER THE SE CONUS. A FRONT IS DEVELOPING OVER THE N WATERS. THIS BOUNDARY WILL LINGER IN THE NORTHERN GULF THROUGH TUE BEFORE IT IS OVERTAKEN BY THE NEXT FRONT ON WED. A WEAK SURFACE WAVE WILL MOVE E ALONG THE FRONT OVER THE NORTHERN GULF WED. THE ASSOCIATED COLD FRONT WILL EXTEND FROM THE FLORIDA PANHANDLE TO NEAR BROWNSVILLE TX WED NIGHT. EXPECT SW WINDS OF 20 KT JUST AHEAD OF THE FRONT VEERING TO THE NW AT 20 KT WITH THE FRONTAL PASSAGE. THE FRONT PUSHES S THU AND LIES FROM THE FLORIDA KEYS TO NEAR TAMPICO MX THU NIGHT BEFORE PUSHING S OF THE AREA FRI. HIGH PRES BUILDING OVER N GULF WITH S RETURN FLOW INCREASING AHEAD OF NEXT COLD FRONT ENTERING TEXAS COAST LATE SAT. A REINFORCING COLD FRONT WILL CLIP THE NE WATERS BY FRI INCREASING WINDS TO AROUND 25 KT WITH SEAS UP TO 8 FT. SW N ATLC... THE WEAK FRONTAL BOUNDARY STRETCHING ACROSS THE ZONE FROM 27N65W TO 25N78W WILL DISSIPATE THROUGH TONIGHT. WINDS AND SEAS HAVE GENERALLY SUBSIDED BELOW ADVISORY CRITERIA OVER MUCH OF THE AREA SAVE THE SE CORNER WHERE AN OLD BOUNDARY CONTINUES TO ENHANCE WINDS ON THE SOUTHERN EDGE OF THE SURFACE RIDGE. NEW HIGH PRES IN THE WAKE OF THE FRONT WILL QUICKLY BE SENT SOUTHEASTWARD AND WEAKEN AS A SECOND COLD FRONT MOVES INTO N WATERS WED. THIS FRONT HOVERS NEAR 29N WED NIGHT AS A WAVE DEVELOPS ALONG THE FRONT THAT MOVES QUICKLY THROUGH NW WATERS. THE COLD FRONT CONTINUES BEHIND THIS WAVE...LYING FROM 31N78W TO N FLORIDA THU MORNING...FROM 31N65W TO CENTRAL BAHAMAS AND CUBA FRI MORNING AND OVER FAR SE WATERS SAT MORNING. A THIRD COLD FRONT ENTERS NW WATERS LATE FRI AND LIES FROM 31N70W TO 27N80W SAT MORNING WITH NEAR GALE FORCE WINDS ON BOTH SIDES OF FRONT OVER FAR N WATERS. THE NEW RUN OF THE COMPUTER MODELS CONTINUE TO SUGGEST GALE FORCE WINDS PARTICULARLY AHEAD OF THE THIRD COLD FRONT BY THU AFTERNOON. A GALE WARNING MAY BE REQUIRED FOR THE NEXT FORECAST PACKAGE. CARIBBEAN AND TROPICAL N ATLC... HIGH PRES N OF AREA IS PRODUCING FRESH TO STRONG WINDS ACROSS MUCH OF THE CARIBBEAN SEA AND N OF AN OLD BOUNDARY ALONG 16N IN THE TROPICAL N ATLC. THE LATEST ASCAT PASS SHOWED WINDS TO 30 KT NEAR THE COAST OF THE DOMINICAN REPUBLIC. WINDS WILL GRADUALLY DIMINISH TONIGHT WITH FRESH FLOW CONTINUING ACROSS THE CENTRAL AND SW CARIBBEAN THROUGH WED MORNING WHILE DECREASING ELSEWHERE AND FINALLY THEN DIMINISHING OVER THE ENTIRE AREA BY THU MORNING. THE COLD FRONT MOVING THROUGH THE GULF OF MEXICO THU WILL REACH THE NW CARIBBEAN ON FRI AND GRADUALLY MOVE THROUGH THE GREATER ANTILLES WHILE WEAKENING THROUGH SAT. WARNINGS.. ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER GR/JS