000 AGXX40 KNHC 240750 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 250 AM EST WED NOV 24 2010 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... HIGH PRES CENTER OVER NE GULF MOVES OVER ACROSS FLORIDA VEERING WINDS OVER WRN GULF LATER TODAY TO A MORE SLY DIRECTION THEN INCREASE BY THU AS STRONG COLD FRONT APPROACHES SE TEXAS COASTLINE. FRONT REACHES FROM 29N90W TO 22N98W EARLY FRI THEN FROM 26N82W TO 21N87W EARLY SAT. SHORT-LIVED GALE FORCE WIND EXPECTED W OF FRONT IN BAY OF CAMPECHE FRI AS VERY COLD AIR MASS DAMS AGAINST COAST OF MEXICO. GFS MODEL SOLUTION QUICKLY STALLS AND WEAKENS FRONT SAT NIGHT WITH A MODERATE TO FRESH NE BREEZE REMAINING ACROSS MOST OF BASIN THROUGH SUN. WIND SHIFT SE SUN NIGHT AHEAD OF NEXT COLD FRONT. CARIBBEAN SEA AND TROPICAL N ATLC... TIGHT GRADIENT S OF HIGH PRES CENTER 1021 MB OVER SW N ATLC MAINTAINS CONSTANT FRESH TO STRONG E-NE BREEZE ACROSS MOST OF BASIN THROUGH FORECAST PERIOD. SLIGHT WEAKENING EXPECTED AS RIDGE SHIFT EASTWARD SAT JUST TO RESTRENGTHEN UPON BUILDING OF ANOTHER RIDGE BEHIND FIRST COLD FRONT OVER CENTRAL ATLC MON. N SWELLS AS HIGH AS 11 FT SEEP THROUGH ATLC CHANNEL INTO ERN CARIBBEAN ADDING TO THE ALREADY HIGH SE HEIGHTS IN PLACE BY THE STRONG BREEZE. SW N ATLC... HIGH PRES SURFACE CENTER 1021 MB WITH WEAK RIDGE ALONG 30N IS FORCED E BY STRONG COLD FRONT ENTERING BASIN FROM THE NW TONIGHT. W TO SW WINDS BECOME STRONG AS NEAR GALE FORCE WINDS DIG S TO THE E OF 65W. NEW HIGH PRES CENTER MAINTAIN MODERATE TO FRESH NE BREEZE N OF 25N WHILE FRESH TO STRONG E-NE TRADES DOMINATE FLOW S OF 25N. LARGE LONG PERIOD N-NE SWELLS FROM STRONG WINDS OVER CENTRAL ATLC INTRUDE INTO BASIN E OF 70W FRI AND SAT AT THE SAME TIME THAT SECOND APPROACHING COLD FRONT INCREASES SW WINDS OVER NW CORNER OF SW N ATLC. SECOND COLD FRONT ENTERS BASIN LATE FRI NIGHT WITH STRONG SW BREEZE WITHIN 300 NM E OF BOUNDARY N OF 29N. MODEL GUIDANCE MOVES SECOND FRONT THROUGH BERMUDA LATE SAT...BUT STALLS IT ACROSS NW BAHAMAS AND FL STRAITS SAT NIGHT. WARNINGS... ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .GMZ082...GALE CONDITIONS EXPECTED FRI S OF 25N W OF 95W... FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER WALLY BARNES