000 AGXX40 KNHC 270557 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 200 AM EDT TUE MAR 27 2012 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND TROPICAL N ATLC AND SOUTHWEST N ATLC S OF 31N W OF 55W. GULF OF MEXICO... A SURFACE HIGH CENTER OVER THE NW GULF WILL DISSIPATE TODAY AS A RIDGE BUILDS FROM NC TO CENTRAL TX AND CONTINUES THROUGH SAT. THE SE RETURN OVER THE WESTERN GULF THIS MORNING WILL SPREAD E ACROSS THE ENTIRE GULF LATER TODAY. A WEAK COLD FRONT WILL MOVE SW ACROSS FL TONIGHT WITH THE REMNANTS PUSHED WESTWARD INTO THE EASTERN GULF AS HIGH PRES BUILDS W IN THE WAKE OF THE FRONT. THIS WILL INCREASE THE ELY WINDS OVER THE CENTRAL AND EASTERN GULF TONIGHT AND EARLY WED TO 15-20 KT AND BUILD SEAS TO 7 FT. REMNANTS OF THE NNW-SSE FRONT WILL GRADUALLY DISSIPATE OVER THE CENTRAL WATERS FRI AS THE WINDS DIMINISH AND SEAS SUBSIDE. SW N ATLC AND TROPICAL ATLC S OF 31N W OF 55W... A COLD FRONT STRETCHING FROM BERMUDA TO NE CUBA WILL REACH FROM 31N62W TO HISPANIOLA LATER TODAY THEN WEAKEN AS IT CONTINUES THROUGH THE TROPICAL ATLC WATERS BETWEEN 65W AND 55W TONIGHT INTO EARLY WED. A SERIES OF SECONDARY NLY SURGES ARE ANALYZED ON THE SURFACE ANALYSIS WITH THE DRIEST BOUNDARY NOW ADVANCING ACROSS THE SE CONUS AND WILL MOVE INTO THE AREA THIS MORNING... AND EXTEND FROM 31N62W TO S FLORIDA THIS AFTERNOON...REACHING ALONG 22N WED...THEN GRADUALLY DISSIPATE S OF 20N ON THU. A RIDGE WILL EXTEND ALONG 31N WED AFTERNOON...SHIFT S TO ALONG 26N THU AFTERNOON THEN SHIFT EASTWARD ALLOWING A THIRD COLD FRONT TO MOVE INTO THE NORTHERN WATERS THU NIGHT. THE THIRD FRONT WILL EXTEND FROM 31N60W TO 27N70W TO SE GA FRI AFTERNOON...THEN WEAKEN ALONG 28N55W TO 25N65W TO 25N71W ON SAT. ANOTHER RIDGE WILL BUILD N OF THE THIRD FRONT ALONG 29N SAT. CARIBBEAN SEA... A COLD FRONT RAPIDLY WEAKENING ACROSS CUBA WILL DISSIPATE LATER TODAY OVER THE NW CARIBBEAN...BUT CONTINUE EASTWARD THROUGH THE TROPICAL ATLC WATERS N OF THE LEEWARD ISLANDS TUE INTO EARLY WED BUT ONLY ACCOMPANIED BY A SW-NW 5-10 KT WIND SHIFT. LIGHT AND VARIABLE LOW LEVEL WINDS ACROSS THE NW CARIBBEAN THIS MORNING WILL BECOME NE LATER TODAY AND INCREASE TO 15-20 KT AS THE POST FRONTAL HIGH PRESSURE BUILDS N OF THE AREA. THE NE-E TRADES WILL ALSO INCREASE ACROSS THE S-CENTRAL CARIBBEAN TONIGHT AND INCREASE ELSEWHERE WED-SAT WITH FRESH TO STRONG NE WINDS REDEVELOPING ALONG THE NW COLOMBIA. WARNINGS... GULF OF MEXICO... .NONE. .CARIBBEAN SEA AND TROPICAL N ATLC... .NONE. .SW N ATLC... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER NELSON