000 AGXX40 KNHC 031915 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 230 PM EST MON JAN 03 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... A COLD FRONT EXTENDS FROM SOUTH FLORIDA TO NEAR 25N87W WHERE IT BECOMES STATIONARY THEN CONTINUES SW TO THE BAY OF CAMPECHE NEAR 18N94W. AN EARLIER ASCAT PASS AND SURFACE DATA FROM 1200 UTC SHOWED 20-25 KT WINDS OVER MUCH OF THE GULF BEHIND THE COLD FRONT. THE LEADING EDGE OF THE FRONT WILL CONTINUE TO MOVE SOUTHWARD TO SW FLORIDA THROUGH TONIGHT. WINDS ARE FORECAST TO DIMINISH BELOW 20 KT TONIGHT WITH SEAS SUBSIDING TO LESS THAN 8 FT AS HIGH PRES TAKES CONTROL OF THE WEATHER CONDITIONS ACROSS THE GULF REGION. FRONT WILL MOVE LITTLE BEFORE DISSIPATING E OF 90N TUE WHILE THE REMAINDER MOVES NW THROUGH THE WESTERN GULF. A SECOND COLD FRONT WILL MOVE INTO THE NORTHERN GULF WED AND OVERTAKE THE FIRST FRONT. THE NEW FRONT WILL LIE FROM A SURFACE LOW NEAR 29N85W TO 26N97W BY WED EVENING AND THEN PUSH S TO ALONG 24N THU EVENING AND SE OF AREA FRI. EXPECT NW WINDS OF 20 KT BEHIND AND JUST AHEAD OF THE FRONT THU MORNING. A REINFORCING COLD FRONT MOVES INTO NE WATERS FRI NIGHT. SW N ATLC... A COLD FRONT ENTERS THE FORECAST AREA NEAR 31N72W THEN CONTINUES SW TO SOUTH FLORIDA. THE 1518 UTC ASCAT PASS SHOWS NW WINDS TO 15 KT BEHIND THE COLD FRONT CURRENTLY MOVING THROUGH N WATERS. THIS COLD FRONT WILL WEAKEN THE 1021 MB SURFACE HIGH LOCATED NEAR 26N72W. NEW HIGH PRES WILL MOVE IN BEHIND THE COLD FRONT TUE AND WILL ALSO QUICKLY BE SENT SOUTHEASTWARD AND WEAKEN WHEN ANOTHER COLD FRONT APPROACHES N WATERS WED. THE FRONT HOVERS NEAR 29N WED NIGHT...THEN MOVES TO 31N68W TO S FLORIDA THU NIGHT AND TO 27N65W TO EASTERN CUBA FRI NIGHT. A REINFORCING COLD FRONT WILL MOVE ACROSS THE N WATERS FRI WITH NEAR GALE FORCE WINDS ON EITHER SIDE OF THIS FRONT. CARIBBEAN AND TROPICAL N ATLC... HIGH N OF AREA IS PRODUCING FRESH TO STRONG WINDS ACROSS MUCH OF THE CARIBBEAN AND N OF AN OLD FRONTAL BOUNDARY EXTENDING ROUGHLY ALONG 16N IN THE TROPICAL N ATLC. THE 1340 UTC ASCAT PASS STILL SHOWED NE WINDS OF 20 TO 25 KT N OF THE FRONTAL BOUNDARY. WINDS LESS THAN 20 KT ARE CONFINED TO THE FAR NW AND FAR SE CARIBBEAN. LITTLE CHANGE EXPECTED IN THESE CONDITIONS THROUGH TUE WHILE NWLY SWELL WILL CONTINUE TO AFFECT REGIONAL ATLC WATERS AND MIX WITH NE WIND SWELL. FRESH FLOW WILL CONTINUE ACROSS THE CENTRAL AND SW CARIBBEAN THROUGH WED MORNING WHILE DECREASING ELSEWHERE AND FINALLY THEN DIMINISHING OVER THE ENTIRE AREA WED THROUGH FRI AS HIGH PRES N OF AREA WEAKENS AND MOVES EWD. WARNINGS.. ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER GR/JS